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Depregnant black molly fish?
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Depregnant black molly fish?
One of my black mollies giving birth. I had tons of black Mollies with yellow/orange heads. The first stage is egg development, lasting up to 10 days. black molly fish giving birth - YouTube Pregnant Black Mollies How Long Do Mollies Live? Ideal Tank Conditions, Tank Mates, And Diet How to Breed Molly Fish - Beginner's Guide to Breeding Mollies Black mollies do not eat other fish. You should prevent big and contentious fish. It’s daytime here but evening in the Netherlands, so I may have missed the. Nov 4, 2023 · Learn how to determine if a Molly fish is pregnant. Is Black Molly Fish Right For You? Black Mollies are a considerable option for a community tank. So for a first time mom molly, it takes 6-8 weeks? Please help … Pregnant Molly Fish Behavior. Advertisement With all t. She's either wagging her tail fast near the heater or swimming around. Molly fish that are pregnant first have a blackish mark on their gravid area. However, as noted above, it can be challenging to locate the gravid spot in some cases. Brett asks, “During this latest cold snap, my koi fish pond has threatened to freeze over. mines white thing went away after a couple of weeks, i thought she was pregnant but she never had babies. Black mollies are a live bearer fish. Introduction. Like common molly, they fight to defend their needs from others. Molly fish are livebearers and the females seem to almost always be pregnant, thanks to the voracious Molly fish breeding behavior. If you have the Molly fish in different colors other than black color, you will see the lower part of the body will generate a dark black spot. Sue October 16, 2020 Reply. A popular choice among hobbyists, these fish are perfect for beginners as they are hardy, easy to care for and showcase unique personalities and behaviours. There are many Molly fish species that range in color from bright and beautiful red or orange colors to the black-speckled, dalmatian breed and the totally Black Molly Fish or the plump, little Balloon Molly Fish. According to what I've heard, they can produce over 100 fry in a single breeding season. Starting from their wide. Your black molly fish pregnant will give birth to premature fry that won’t survive. Singing fish are silly, but there is an amazing amount of technology inside them -- they are really simple robots! Find out how singing fish work. While there may be several potential causes behind this symptom, some of the most common include disease or infection, poor water conditions, and stress. Pregnant female fish often develop a "gravid spot" on the abdomen near the rear vent. If you've got a pregnant molly fish, there are some clear signs that she's nearing the time for delivery. Black mollies are generally friendly and can get along well with a variety of tankmates. Black Molly, balloon molly, gold dust molly, Mickey Mouse molly, black sailfin molly, etc. Black sailfin and black lyretail mollies are even darker than standard black mollies. They are peaceful fish that live well in a community Mollies breed using internal fertilization. Good morning, Quartz readers! Good morning, Quartz readers! What to watch for today Data hint at how bad the Black Friday stampedes will be. However, the bad parental attitude of mollies towards their babies is what you may want to be concerned about. Meanwhile, Mark Zuckerberg and Sheryl Sandberg have been silent. Since we are looking at orange and black molly fish, it might not be a piece of cake to decide if the black spot near the anal fin is a gravid spot (or fish womb) or simply is a black fish scale. Signs that pregnant black molly fish. Fish pedicures have become an increasingly. On lighter fish you can look for a dark spot near their rear ends. From overall care to breeding tips. Pregnancy: Pregnancy is one of the reasons why your Molly fish could become bloated all of a sudden Mollies are livebearing fish, which means, they don’t lay eggs, when they get pregnant, they carry their babies in their stomachs and deliver them when they … Aquarium molly fish are pregnant and what should I do. Lyretail mollies are very easy to care for. Pregnant mollies are less active. Advertisement When studying weather phenomena, it's a good idea to assume -- at least at the ou. I am home all day and have been keeping an eye on her and I haven't seen any other fry. Jan 23, 2023 · 7 Common Dalmatian Molly Pregnant Signs: (Molly Fish Pregnant Signs) How to tell if molly is pregnant? Here are top seven dalmatian molly pregnant stages and lyretail dalmation molly giving birth symptoms: 1. Followed by pictures, this article will help you identify pregnant molly fish in different stages. With their sleek, dark bodies and lively personalities, black molly fish are a popular … One noticeable early sign of pregnancy in Molly fish is behavior changes. I have a black Molly fish that gave birth to only one fish last week. Red Tiger Lotus Aquarium Plant: A Stunning Addition to Your Tank. Baby Molly Fish will be eaten if kept in the same tank as any other fish (including mollies), so it is important to identify pregnancy in the females. However, adult fish will prey on their young, making it essential to remove the pregnant females to a separate breeding tank where they can give birth safely before returning them to the main aquarium. Here are some suitable for black mollies: Guppies: Guppies are small, colorful fish that are known for their peaceful nature. Black molly 1st birth, she layed bout 40-50 fry. Black Mollies (Poecilia Sphenops) are an amazing and diverse group of freshwater livebearers with a range of 39 species in the genus. According to what I've heard, they can produce over 100 fry in a single breeding season. Also Read: Pregnant Molly Fish Black Spot Disease. She started dropping fry when I was near the tank studying, so I filmed some of it. I’ve noticed she’s very large in the … Black Molly fish has an attractive appearance and gentle personality, so many people choose to [ Recent Posts. These fish tanks are super addicting and especially when you keep mollies. Black Molly Fish Pregnant Signs: (Black Molly Fish Giving Birth Signs) The behavior of black Molly about to give birth can differ from other mollies. However, their size can vary based on various factors such as the quality of their care, diet, and genetics. You may think the phrase 'pregnant molly fish' refers to a fish carrying eggs. net) Behavioral Changes. How does a fish pedicure work? Find out how you can benefit from a fish pedicure and how it can help your skin. Mollies are ideal for beginners due to their hardiness and easy care requirements. She is completely squared off, her anal area is swollen and wide and White, she is not eating and is staying away from the other fish. To start, mollyfish do not lay eggs as the typical fish would. Mollies are ideal for beginners due to their hardiness and easy care requirements. Learn whether you can take fish oil supplements if you have a fish allergy in this article. Advertisement When. A molly fish on the cusp of giving birth may even stop moving altogether. The heater I have doesn't have an indicator to show what temperature I'm putting it up too. Generally, it helps to understand them so you can spot if anything is going wrong. When a black molly fish is pregnant, you’ll notice her abdomen becoming swollen and dark spots developing on her lower abdomen. So if I adjust the nob too high it might kill my fish My black molly is ready to drop her fry. In this video I will show you,Emergency Molly Fish Birth Birth | Molly Giving BirthMy female molly unable to giving birth and died. I put her back in the tank with the other fish. Black mollies are a live bearer fish. Once the babies arrive, a bit of extra care and hiding spots keep them safe. The black spot shows babies are getting ready to deliver. We recommend that you maintain consistent temperatures throughout the gestation period. However, it can be done if you look closely at the fish’s colors, size, and fin proportions. These signs indicate that a molly fish is pregnant: The molly fish’s belly will swell. We recommend that you maintain consistent temperatures throughout the gestation period. You can find Molly fish in colors like orange, black, silver, white, and bronze. On lighter fish you can look for a dark spot near their rear ends. To get a handle on how many of your mollies are female and how many are male, here are some tell-tale signs to look for. How To Identify Pregnant Molly Fish? When you keep molly females, especially if you’re keeping males and females together, it’s essential to keep an eye out pregnancy. Remember, if the birth process is proving difficult for your molly fish pregnant, it’s best to seek advice from a qualified veterinarian or fish keeper with a livebearer’s experience. detana leakscignahealthytoday com How Long Are Molly Fish Pregnant For? Mollies are one of the few fish that give birth to their young ones alive. Common black mollies (Poecilia velifer) are short-bodied species with steel blue coloration and black stripes or spots. holbrooki… | Download Scientific Diagram (researchgate. Yesterday I purchased 1 pregnant molly, and a gourami to add to my 10 gallon tank with 2 other mollies. Mollies are pregnant for anywhere between 40 to 70 days, giving you little time to prepare for your new arrivals. Jul 17, 2023 · You may think the phrase 'pregnant molly fish' refers to a fish carrying eggs. Some of the best aquarium plants for Black Mollies include: Water Wisteria; Java Moss; Water Sprite; Java Fern; Anubias; Hygrophila You also need to provide a secondary place of shelter for your Black Mollies to swim to when they feel. They also reproduce easily in an aquarium setting, making an opportunity for children to witness the life cycle. Feb 16, 2024 · You can tell if a black molly is pregnant by looking for an opaque gravid spot on her belly. Also Read: Pregnant Molly Fish 101 Molly fish are available in different colors (orange, silver, black, green, gold), depending on the origin and sex. During this time, they will grow their eggs and eventually release them. 5 to 5 … Learn what to expect during this exciting time in your fish tank. Plus, discover how to confirm pregnancy through ultrasound. Also, the gestation period of some molly species is shorter, such as … Moreover, the black spot isn’t visible on darker colored mollies, so you will have to keep an eye out on their abdomen Aggressive and isolated behavior. Aggressive Behaviour – Pregnant mollies are more aggressive than non-pregnant mollies. Fish oil supplements may not improve ADHD symptoms, but there may be other benefits. Black Mollies are relatively small in size, with the males growing to a maximum of 3 inches, and the females often growing a couple of inches larger. Therefore, if they have a dark gravid spot, you probably won’t see it. Black mollies are a live bearer fish. Introduction. Also, the gestation period of some molly species is shorter, such as sailfin mollies, which are pregnant for roughly 21 days. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. deolder granny photos The female fish’s abdomen will become rounder and fuller than normal, due to the development of fetuses in the body. If you see any of these symptoms in your molly fish, immediately take action by quarantining the … Characteristics and Appearance of Gold Dust Molly. But under ideal conditions, black mollies are peaceful. If you receive advice from a breeder on how to breed tetras, they may comment on the importance of isolating the pregnant female to a separate tank to remove the risk of other fish consuming the eggs once they are expelled. These fish have chunky, thick-set bodies. Jan 23, 2023 · 7 Common Dalmatian Molly Pregnant Signs: (Molly Fish Pregnant Signs) How to tell if molly is pregnant? Here are top seven dalmatian molly pregnant stages and lyretail dalmation molly giving birth symptoms: 1. Another behavioral change to watch for is a decrease in appetite. Jan 24, 2023 · The most reliable way to identify pregnant Black Molly Fish is to look for a blackish mark on the black molly gravid spot. Learn about how to start fish farming in this article. A pregnant black Molly fish will display a noticeably enlarged abdomen, a squared-off appearance, and a dark gravid spot near the anal fin. Providing this shoaling fish with a spacious tank for plenty of swimming space is essential. Common black mollies (Poecilia velifer) are short-bodied species with steel blue coloration and black stripes or spots. They’re relatively easy to care for, making them suitable for beginners and experienced fishkeepers. listcrawler arrest 2024 It will find a comfortable spot and sit there. After they are sexually mature, mollies can continue to reproduce for two to 2 They breed often, usually every 30 days, so you can imagine the number of babies that can result. Black mollies can be prolific breeders. The actual birthing process typically lasts up to a few hours, during which the fish may lay anywhere from 20 to 100 fry, depending on the species. Pregnant molly fish behavior. Advertisement "Go fly a kite" may soon mean the same thing as "go fish," thank. These brightly colored, playful little fish are easily kept happy and live among the peacefully … The gestation period of a balloon molly fish is 60 days. You are trying to lower her stress as much as possible. Nov 4, 2023 · Learn how to determine if a Molly fish is pregnant. black molly fish giving birth - YouTube Pregnant Black Mollies How Long Do Mollies Live? Ideal Tank Conditions, Tank Mates, And Diet How to Breed Molly Fish - Beginner's Guide to Breeding Mollies Black mollies do not eat other fish. It's a joyful experience watching these tiny fish families thrive and. Originating from Central and South America, black mollies are a hybrid fish species created by mixing other members of the molly species family, such as the sailfin, short-finned and green mollies. This is especially important if you want to.
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Hopefully this uploads in HD for ev. A low-quality diet and excess feeding can trigger constipation in molly fish, leading to a disrupted swim bladder function due to the pressure exerted on it: When a Black Molly fish suffers from swim bladder disease, it may exhibit symptoms such as floating or sinking uncontrollably, swimming upside down, or struggling to maintain a normal swimming position. The black spot shows babies are getting ready to deliver. The problem is that most people have difficulties telling whether their Balloon molly is pregnant, fat, or just normal since they already come with inflated bellies. This is believed to be a protective instinct as the pregnant fish prepares to give birth. Black lyretail mollies are freshwater fish that require specific water conditions to thrive in an aquarium. She is acting the same as she was right before she went into labor. Fish that give birth to fully formed younglings are called livebearers. Because, your molly may end up not having any young specie to leave behind. Pregnant Molly fish may eat less or become more selective in their food choices. Why Is My Black Molly Laying on the Bottom of the Tank? Sep 15, 2024 · The Black Molly has been selectively bred in the aquarium industry to highlight specific traits. Black sailfin and black lyretail mollies are even darker than standard black mollies. A male Poecilia is ready to mate after 12 months. They also like to hang around close to the heater to stay warm. Have you ever been abroad and seen fish pedicures advertised? Find out what happened to one woman who tried the unusual beauty treatment. Molly fish are pregnant for anywhere between 40-70 days, with 60 being the most common number. Put in lots of plastic plants to give her somewhere to hide. Feb 5, 2023 · Black Molly Fish Pregnant Signs: (Black Molly Fish Giving Birth Signs) The behavior of black Molly about to give birth can differ from other mollies. i million iraqi dinar to usd Yesterday I purchased 1 pregnant molly, and a gourami to add to my 10 gallon tank with 2 other mollies. Black Mollies go through three distinct stages … I'm on Instagram as @aqua__maniacshttps://wwwcom/aqua__maniacs/This video explains , when and how will your female molly fish drop her fries Black molly 1st birth, she layed bout 40-50 fry. Balloon Belly Molly Size. How Long Before a Black Molly Gives Birth? A black molly fish typically gives birth between 28 to 60 days after becoming pregnant. Plants not only elevate the beauty of an aquarium but also provide essential services – from oxygenating the water to offering shelter and sometimes even a snack! Here are some plant choices that Black Mollies particularly cherish: 1. Doing so guarantees good health for the female molly fish and the tiny fry. that is because she is actually not a balloon molly but a regular female black molly, I would say look for a gravid spot but she's fully black so i guess not on that. The newly found fairy wrasse has distinct purple pigmentation, like fictional Wakanda's vibranium resource and the suit of Black Panther. Black molly fish pregnant is an exciting and important phase for any aquarium hobbyist. These signs indicate that a molly fish is pregnant: The molly fish’s belly will swell. Caring for a pregnant Molly may be easier than you think! Take a moment to go through our all-inclusive Molly gestation guide for all the info you need. Your black molly fish pregnant will give birth to premature fry that won’t survive. What should I do?”Ice by itself is not dangerous to koi. Feb 20, 2023 · We recommend that you maintain consistent temperatures throughout the gestation period. Then I came a decision t. A clear change in the behavior of pregnant molly fish can be seen, indicating she’s ready to give birth: Namely, behavior towards tank mates. de13732 weather Mishandling: Mishandling during transfer can cause undue stress and physical harm to the molly fish, which can negatively affect the swim bladder Gastrointestinal Complications & Constipation. If you see a molly laying eggs, it’s most likely the underdeveloped egg was aborted or miscarried. Have you ever been abroad and seen fish pedicures advertised? Find out what happened to one woman who tried the unusual beauty treatment. Apr 11, 2020 · Black molly fish are short-tailed molly fish that give birth every 60 to 70 days. There is a male molly that’s like her and a black molly. A pregnant Molly fish tries to lay her babies near the bottom of the substrate near hiding places. Red Tiger Lotus Aquarium Plant: A Stunning Addition to Your Tank. Normally they get on well and he doesn't bother her much but last night he started chasing her all over the tank. Pregnant Molly fish may eat less or become more selective in their food choices. When a pregnant molly fish is ready to give birth, you’ll notice several behavioral as well as physical changes, as follows: 2. How to Take Care of a Pregnant Molly Fish. If you see a molly laying eggs, it’s most likely the underdeveloped egg was aborted or miscarried. However, the duration of pregnancy can vary depending on the species, water temperature, and other environmental conditions. Our guide shows you how to keep your koi fish safe in winter. When a black molly fish is pregnant, you’ll notice her abdomen becoming swollen and dark spots developing on her lower abdomen. And if the spot expands, the molly fish is likely pregnant. Advertisement A fishing guide is a person who takes people out. Additionally, some sources mention black spots in the anus area So the gravid spot indicates you’re looking at a female molly fish. For how long are molly fish pregnant? Pregnant molly fish have a gestation period of 45 to 60 days. dedarlington county detention photos Molly fish are hailed as hardy fish that can survive in various conditions. The other black one is probably about to die as well. They make great for black mollies as they share similar water parameter requirements and can create a visually appealing aquarium. Are fish pics all about being a provider? Or maybe the reasoning is even simpler than that. They usually grow up to three inches long. Native to Mexico, Central, and South America, these freshwater fish became part of the aquarium hobby during the early 1900s. How can fishers use kites to catch fish? Learn more about kite fishing in this HowStuffWorks article. Try it with tilapia, cod, haddock, or any other white fish! Prep time: 20 minut. You may notice your mollies displaying unusual behavior as their bodies prepare for pregnancy during this time. But they do not harm others. The life expectancy of a molly fish varies depending on the subspecies, but on average, male and female molly fish live for between three and five years in captivity Molly fish are affordable and widely available in pet stores and online. A pregnant molly fish develops swollen stomach and black spots near the center of her abdomen. In addition to their energy, Black Molly are also known for being incredibly clean – which means that they will help clean the molly tank, removing uneaten food and fish waste from the water. Feb 22, 2023 · How long is molly fish pregnant? Molly Fish stay pregnant for around 60 days to be ready to give birth.
She is acting the same as she was right before she went into labor. It's not hard to tell the difference between male and female molly fish. Generally, it helps to understand them so you can spot if anything is going wrong. When a female Molly fish becomes pregnant, one of the most obvious signs is the change in belly shape. Providing this shoaling fish with a spacious tank for plenty of swimming space is essential. This article describes a group of different conditions caused by eating contaminated fish and seafood. Black mollies are tough and resilient, but they need special care during pregnancy. In the wild, Black Molly fish are often found in areas with dense vegetation, as they seek shelter and food among the plants. walmart grave digger ride on 1 Week Molly Fish Fry Growth Chart:. This beautiful black yellow panda molly fish got pregnant in my home aquarium. Males; Females; Males are displaying signs of conflict, not mating; Pregnant Black Molly Female: The Information That We Bring To Your Attention Aquarium water conditions for black lyretail mollies. Proper nutrition is essential for maintaining the health and vibrancy of black molly fish. Here are some of the signs that you can look for in your black molly fish indicating that she is about to give birth: May 6, 2024 · Key Takeaways: To spot a pregnant molly fish, watch for a swollen belly, a gravid spot near the anal fin, behavioral changes like increased aggression and hiding, increased appetite, and seeking warmth. They make great for black mollies as they share similar water parameter requirements and can create a visually appealing aquarium. They make great for black mollies as they share similar water parameter requirements and can create a visually appealing aquarium. Black Mollies (Poecilia Sphenops) are an amazing and diverse group of freshwater livebearers with a range of 39 species in the genus. dechristmas hours for winn dixie TWO URGENT QUESTIONS, both relating to heavily pregnant black molly. The pregnant molly fish's stomach will begin to grow bigger and stretch out View your molly fish throughout the pregnancy. Additionally, some sources mention black spots in the anus area So the gravid spot indicates you’re looking at a female molly fish. Research says fish oil supplements do not appear to improve ADHD symptoms. Common Black Molly Fish. regal nails prices walmart A low pH may burn the molly’s skin. Some varieties are the result of crossing P latipinna; these two species easily crossbreed in the aquarium The Black Molly or Black Molly (Poecilia sphenops) has a completely black coloration. Mollies are a type of guppy as they are of the same genus but different species. The black molly fish belongs to the Poeciliidae family of freshwater fish. Molly fish are easy to care for.
Fish allergies are a reaction to the proteins found in certain fish. Also Read: Molly Fish Temperature Inappropriate Water Chemistry. Breeding these fish and raising the babies is easy. You may also observe a darker area near the back of her belly, commonly known as the gravid spot, which becomes more prominent as she gets closer to giving birth. It thrives in water temperatures ranging from 68 to 82℉ and requires a tank more significant than 30 gallons. How long are mollies pregnant for? I a. Fabian April 3, 2020 Reply. Some of the most common varieties are solid black mollies and sailfin mollies with orange-bordered dorsal fins. Types of Molly Fish. This Molly’s fins are smaller compared to other types. Feb 21, 2023 · Pregnant molly fish stay at bottom of tank as a sign that they are close to giving birth. Feb 13, 2023 · These beautiful yellow and black molly fish are hardy and relatively easy to care for, making them excellent choices for even novice aquarists. Because, your molly may end up not having any young specie to leave behind. Mollies are not the most aggressive fish species, but the behavior of the female mollyfish changes during the length of its pregnancy. They make great for black mollies as they share similar water parameter requirements and can create a visually appealing aquarium. The gravid spot on black molly, is located just behind the dorsal fin, near the base of the tail, and should be more visible in female fish than male mollies. e they are monomorphic. Instead, mollies give live birth to their young, which are known as “fry”. They usually grow up to three inches long. She started dropping fry when I was near the tank studying, so I filmed some of it. Native to Mexico, Central, and South America, these freshwater fish became part of the aquarium hobby during the early 1900s. I cannot tell since her belly is about this size for 2-3 weeks. To help you prepare for your first batch of baby mollies, we will discuss how to tell if your molly fish is pregnant, what to do when a molly is pregnant, and what to do before and after she gives birth to the fry. They also like to hang around close to the heater to stay warm. Therefore, I suggest checking for the gravid spot … TWO URGENT QUESTIONS, both relating to heavily pregnant black molly. sexy leg pictures In some circumstances, it may begin to get aggressive and eat more. They can be found in various habitats, including rivers, streams, and even brackish waters. To determine whether they are sick or merely pregnant, I began to investigate the issue pretty. Additionally, some sources mention black spots in the anus area So the gravid spot indicates you’re looking at a female molly fish. Is my fish sick or just pregnant? GothFishKeeper; Apr 12, 2024; Livebearers; Replies 1 Views 767 Colin_T. Balloon molly fish are appropriately named for their bellies. It’s said anglers go t. They usually grow up to three inches long. Or, you As we move forward, I will elaborate on the early and late signs of a pregnant molly fish. It also has a large belly. Females are larger than males and fairly easy to identify, especially because of that near-constant pregnancy. The actual birthing process typically lasts up to a few hours, during which the fish may lay anywhere from 20 to 100 fry, depending on the species. Bought her for 6-7 weeks now. deannoying t mobile commercial The life expectancy of a molly fish varies depending on the subspecies, but on average, male and female molly fish live for between three and five years in captivity Molly fish are affordable and widely available in pet stores and online. What should I do?”Ice by itself is not dangerous to koi. We acquired 2 mollies at the beinning of January this year and a little less than 2 weeks later they both give birth (within a day of each other) to 16 fry, 11 black and 5 white. Brett asks, “During this latest cold snap, my koi fish pond has threatened to freeze over. Black Molly Pregnancy Stages. A typical Molly Fish's pregnancy lasts between twenty and forty days and they will have between twenty and one hundred babies at a time. There are many Molly fish species that range in color from bright and beautiful red or orange colors to the black-speckled, dalmatian breed and the totally Black Molly Fish or the plump, little Balloon Molly Fish. Treatment: Salt Increase the temperature to at least 84-86 degrees as much as the fish can tolerate. Pregnant Molly fish may eat less or become more selective in their food choices. Pick a mix of boy and girl mollies, and let the magic happen in a cozy tank. Pregnant Aquarium Molly Fish are pretty easy to yield babies from. If the fry survive and grow up be ready to have a tank overrun by mollies because they also don’t care that they’re related lol. Some of the best aquarium plants for Black Mollies include: Water Wisteria; Java Moss; Water Sprite; Java Fern; Anubias; Hygrophila You also need to provide a secondary place of shelter for your Black Mollies to swim to when they feel. However, their size can vary based on various factors such as the quality of their care, diet, and genetics. Anubias: Feeding Black Molly Fish. In this video I will show you,Emergency Molly Fish Birth Birth | Molly Giving BirthMy female molly unable to giving birth and died. Black mollies are fish that can live successfully with other species in a community tank. I put her back in the tank with the other fish. Proper nutrition is essential for maintaining the health and vibrancy of black molly fish. They’re sociable creatures, and they’re best kept in groups of at least 4-5. The orange Molly is the one who is more obviously pregnant but the fry are black - is this normal or is there a chance that 1 of the other mollies has given birth to them? Another thing to note is that there aren't any "obvious" gravid spots on any of these fish. Singing fish are silly, but there is an amazing amount of technology inside them -- they are really simple robots! Find out how singing fish work. The other black one is probably about to die as well.