As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of four to six weeks , and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.
How do you know when fish are pregnant?
When pregnant, there is a slight discoloration that slowly darkens as the guppy progresses through pregnancy. The patch first has a yellowish tinge, then brown and become deep orange as the pregnancy develops. This patch is where the fertilized eggs are stored and grow.
How often do fish have babies?
Depending on water conditions, temperature, and diet some livebearers can have broods as often as every four to eight weeks . You can tell if a female is ready to give birth by her enlarged abdomen or a dark spot located near her anal fin.
How long is a Molly pregnancy?
Once the female is impregnated, she can give birth to as many as five or more broods of young at intervals of four to six weeks . The number of each brood may vary from 12 to 15 babies from a young Mollie to as many as 150 young from a large swordtail.
Does fish give birth through mouth?
Sometimes the female fish will carry the fertilized eggs in her mouth , or the male and female will trade off, which is called biparental mouthbrooding.
How can u tell if a goldfish is pregnant?
The area where a pregnant guppy's abdomen meets the tail is sometimes called the “gravid patch”, or “gravid spot”. When pregnant, there is a slight discoloration that slowly darkens as the guppy progresses through pregnancy.
How many babies can a molly fish have?
They can give birth to between 40 and 100 fry . Mollies that are young or are having one of their first few pregnancies will tend to give birth to a smaller rather than larger number of fry. When a molly female is near her time to give birth, you will need to separate her from the rest of the tank.
What do you do with a pregnant fish?
The female can be placed back into the main tank once she has given birth and the fry can be raised in the breeding trap or a larger breeding net. Ideally, pregnant females should be placed on their own in a separate aquarium with lots of feathery plants where they can give birth in a stress-free environment.
How often do guppies have babies?
Guppies typically reproduce about every 30 days and give birth to litters approximately 20 times throughout their lives. The researchers found that as female guppies aged, they began to skip litters or even stop reproducing for extended periods of time, effectively ceasing to reproduce after a certain age.
What animal gives birth out of its mouth?
The frog gives birth through its mouth. Researchers are trying hard to bring one of the world's weirdest, and undoubtedly coolest, frogs back to life. The Gastric-brooding frog became extinct in the mid-1980's.
What fish keeps its babies in its mouth?
Mouthbreeder, any fish that breeds its young in the mouth. Examples include certain catfishes, cichlids, and cardinal fishes . The male of the sea catfish Galeichthys felis places up to 50 fertilized eggs in its mouth and retains them until they are hatched and the young are two or more weeks old.
How fish will born?
In most cases, the female drops eggs in the water which are immediately fertilized by sperm from the male . Another way is for fertilization to occur within the females body before she drops them into the water. With the third and final method, the female retains the eggs within her body and the young are born alive.
Why has my goldfish got a big belly?
Dropsy
Do goldfish eat other fish?
The short answer would be, “ No, they don't eat each other” . ... Goldfish tend to browse for food, eating mostly what are bite-sized morsels, of anything edible. But, if they happen to come across small fish (e.g. baby goldfish), they do not discern, and they will eat it if they can catch it.
Why is my goldfish so fat?
Overfeeding – Sometimes a fish may become fat or swollen as a result of his diet. Often, overfeeding or the wrong types of food can cause constipation and other digestive issues. You can try to feed your fish less or healthier types of food, which varies depending on the species of fish.
