Pregnancy and Gestation The pregnant platy will behave pretty much the same as she does normally. There are no distinct behavioral changes to look out for. Like other live-bearing fish, she carries her fry until they are fully developed. The gestation period typically lasts for around 28 days.
How long are platys pregnant for?
Platies 24-35 days.
How do you know when a platy is about to give birth?
The Eyes of the Fry and Signs of Impending Birth To accommodate the developing eggs, the mother’s body expands, becoming deeper and broader. A few days before delivery, she develops a bulge below the gills, her outline becoming fairly square in this region, while the gravid spot has enlarged its area.
How many babies do Platies have?
Each batch of Platy fry average 20 to 40 in number, but they may give birth to as much as 80. These aren’t much compared to other fish because Platies do not lay eggs and thus have a smaller space for developed fry in their wombs.
When should I separate my pregnant platy fish?
They can if given the opportunity. The babies are almost transparent and have a knack for hiding, which gives them an advantage. However, opportunistic adult platy fish will indeed see them as a food source. It is best to keep the fry separate until they are larger than the mouths of the adult fish.
Do platys eat their babies?
Because platies do eat their young, you will end up with the greatest number of surviving fry if you purchase a separate tank for them to live in while they grow. A separate aquarium for your fry can be purchased at most pet stores.
How long does a catfish stay pregnant?
Healthy larvae tend to stay in dark places and should not be exposed to direct sunlight. After three to four days the yolk sac will be absorbed and the hatchling is visibly developed into a small catfish.4.4. 5. Incubation of fertilized eggs. WATER TEMPERATURE (°C) TIME BETWEEN FERTILIZATION AND HATCHING (HOURS) 30 20.
Will baby fish survive in my tank?
Not necessarily. Many fish breed very easily and produce great numbers of offspring, simply because very few will survive to adulthood. The more fish in your tank, the more you will need to feed them, the more feces they will produce and the harder your filtration system will have to work.
How do you stop platys from breeding?
How to Avoid Unwanted Fish Breeding in Your Tank Buy only one gender of fish, preferably males. If you don’t have male and female fish together, there is less chance for baby fish to appear. Choose egg-laying species rather than live bearers. Adjust tanks conditions to make breeding less comfortable.
How can I tell if my fish is pregnant?
As your female fish becomes pregnant, she will grow a bulge at the back of her abdomen. This typically appears over the course of 20-40 days. Does your fish have a red or black spot? Sometimes, when a female fish is pregnant, she will develop a “gravid spot” on the abdomen.
What size are platy fry babies?
When Platy fry are born they’re really tiny in comparison to the adults. Which makes sense as the mummy Platy generally carries a large number of them at any one time and there’s only so much room to fit them all in. On average a Platy fry measures around 7-8mm in length. Sometimes they can be even smaller than that.
What do you do with baby fish you don’t want?
If you’re not ready to raise baby fish, you might want to check with a local aquarium, fish breeder or pet shop to find out if they can take them. If you are ready to be the owner of several new fish, you may want to start a new aquarium with the babies.
How often do Platies breed?
Breeding the red wagtail platy is more than easy—it’s not a question of if but when. Females can warehouse sperm for up to six months; they are almost always pregnant with fertilized eggs and can give live birth to 10 to 40 fry every 4 to 6 weeks.
Do catfish lay eggs or give birth?
Mature catfish can lay 4000 to 100,000 eggs, and breeding males can fertilize as many as nine spawns a season if the eggs are removed from the spawn site each time.
Do catfish eat their babies?
When catfish lays eggs, it will keep them safe and protect them from predators. There is no way a catfish will eat its babies. When the eggs are hatched, fry usually stays together, sometimes even protected by a parent catfish, for a few days. While catfish won’t eat their own babies, they will eat other fish babies.
What time of year do catfish lay eggs?
In almost all circumstances, the spawn will begin the late spring between April and late May. It can also begin in the early summer depending on the climate and your geographical location.
Can platys lay eggs?
Platy fish are livebearers, which means that they give birth to live young rather than dropping eggs into the water like many other fish.
Do platys breed easily?
Platy fish are relatively easy to breed, and they don’t require a lot of encouragement. As long as you introduced both male and female platy fish to the tank, they should start breeding in a short amount of time. If your platy fish don’t seem to be breeding, make sure you have both male and female fish in the tank.
How long do you keep fry in breeder box?
How long do you keep fry in the breeder box? In general, the babies should be large enough to not fit in mouths of the adult fish before you add them back into your main tank. For livebearer fry, this may be as soon as 4 to 5 weeks. What do you do with baby fish you don’t want?.