Where do fish leave their eggs?
With the third and final method, the female retains the eggs within her body and the young are born alive. Some sharks and guppies give birth this way. Nonguarders: Most freshwater fish do not guard their eggs, but scatter their eggs. Trout hide their eggs in depressions or “nests” of stones.
How long after fish lay eggs do they hatch?
2 to 7 days
Most of the eggs will hatch 2 to 7 days after laying. An interval much longer than that probably is due to unfertilized eggs. Unfertilized eggs are eaten by the newly hatched fry.
Do fish lay eggs more than once?
Some fish reproduce multiple times throughout the year (e.g. Clownfish, Guppies, Mollies, Swordtails and Platys), others only reproduce during a particular season, and some only ever reproduce once and die when their sperm or egg is released (e.g. The Pacific Salmon).
What happens to the eggs of a fish?
Fish eggs. Fish breed in a number of ways. Most fish release thousands of eggs, scattering them in the water where the male fish fertilize them. The eggs develop and hatch into larvae (baby fish) without any help from the parents.
Can a male fish lay eggs in an aquarium?
Many times fish keepers are caught by surprise and your fish may have already laid eggs. If you are lucky enough to have a male and female that have bred in the aquarium then you most probably want the eggs to hatch to become baby fish. This may be difficult if the fish lay eggs in a community aquarium.
What to do with an egg laying fish?
Egg-laying fish that protect their young are relatively easy to spawn plus they look after their eggs and fry: The optimal conditions can be reached by raising the water a few degrees, feeding well with live food such as blood worms, and providing a cave-like structure or spawning stones somewhere in the tank.
Where do fish lay eggs in the ocean?
Parental care in jawfish. The gold-specs jawfish is found in the warm waters of the western Pacific Ocean. The female lays the eggs, after which the male fertilizes them. The male fish keeps the eggs inside its mouth until they hatch. This protects the eggs from being eaten up by sea animals.
Fish eggs. Fish breed in a number of ways. Most fish release thousands of eggs, scattering them in the water where the male fish fertilize them. The eggs develop and hatch into larvae (baby fish) without any help from the parents.
Can a female fish lay eggs on a male fish?
All female fish will produce eggs but not all of them will lay them. It is only the fish that have external fertilization where the male will spread his milt over the laid eggs to fertilize them.
How does a male fish fertilize an egg?
It is only the fish that have external fertilization where the male will spread his milt over the laid eggs to fertilize them. In some fish the fertilization is internal where the male places his sperm into the female. She then lays her fertilized egg to develop and hatch.
How many eggs can a fish lay at a time?
The female fish releases multiple eggs in the water while the male fish releases the sperm to fertilize those eggs. The female fish can lay around a hundred to thousand eggs at one time. It’s important to separate the eggs after spawning as the parent fish may eat them immediately.