Do live bearing fish give birth all at once?
Why It’s Ok to Remove the Male It is unnecessary, and in fact, inadvisable to have the male parent in the spawning tank. 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.
How many babies do fish have at once?
Guppies and mollies can deliver as many as 20 fry at once. Usually, your fish will have fewer babies her first pregnancy with the number of fry being delivered or hatched growing with each pregnancy.
How many babies do mollies have?
Gestation and Birth 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.
How often do live bearing fish give birth?
Birth of Livebearers 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 do live bearing fish give birth?
Guppies and their relatives are known as livebearers or, more scientifically, ovoviviparous, meaning that the female fish is inseminated internally – like mammals – with the eggs developing and hatching internally. She then gives birth to live young, which fend for themselves as soon as they are born.
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 long does the fish keep the babies in her mouth?
The eggs will hatch between 10-15 days after fertilization. The female then hold the babies in her mouth for up to two more weeks, occasionally letting them out to feed them.
Are my cichlids fighting or mating?
Cichlids become aggressive when they are mating: The dominant male chases other males and his female mate. Cichlids that chase each other in a frenzy are most likely performing the ritual mating dance.
Do fish protect their babies?
In addition to being mouthbrooders, some species continue to protect their young after they hatch, calling out to them when there is danger, and letting them swim back into their mouth to hold them safely away. Some species also build nests and protect the young after they hatch.
Do fish offspring usually develop inside or outside the mother?
In most fish species, fertilization takes place externally. These fish are oviparous. Eggs are laid and embryos develop outside the mother’s body. In a minority of fish, including sharks, eggs develop inside the mother’s body but without nourishment from the mother.
How do female fish get pregnant?
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.