The methods of reproduction in fishes are varied, but most fishes lay a large number of small eggs, fertilized and scattered outside of the body. The eggs of pelagic fishes usually remain suspended in the open water. Many shore and freshwater fishes lay eggs on the bottom or among plants. Some have adhesive eggs.
People also ask
What is the process of reproduction in fish?
These processes include fertilization inside or outside the body. Fish are either ovoviviparous, viviparous or oviparous. Additionally, it is important to note that reproduction can also change according to the fish environment, specifically if it lives in an aquarium.
How do fish reproduce without spawning?
It is a process that can be repeated every year without ever leading to spawning. In these fish, however, reproduction can take place by artificial induction of ovulation at the appropriate time. After laying, new eggs begin to form immediately and continue to develop until the dormant phase.
Do fish reproduce sexually or asexually?
The reproduction is almost always sexual, since fish, as the great common of animals is born with a certain (female-male) sex. In general, it occurs in three different ways: oviparous, viviparous, and ovoviviparous.
How many times a year do fish reproduce?
Reproduction can only take place if there is sexual maturity of the fish. Some species of fish reproduce two or three times a year to regenerate their offspring more easily. Spawners therefore choose a particular season and only reproduce during this period; however, they can spawn several times during this period.