Question

Why would some fish have reproductive behaviors that include spawning over a period of time?




. Why would some fish have reproductive behaviors that include spawning all at once?




How would the presence of an egg-eating predator affect the probability a fish will successfully reproduce?

Answer 1

The answer would be the distance I think :)

Answer 2

The factors that affect the spawning of fishes include the availability of food, oxygen levels of the water, water temperature, etc.

Spawning simply means the expulsion of gametes from the body into the surrounding water which leads to fertilization. Spawn simply means the eggs and sperm that are released into the water by aquatic animals.

The availability of food, fish size, oxygen levels of water, etc affects spawning. The presence of an egg-eating predator will reduce the probability that a fish will successfully reproduce. Examples of such predators include snakes, frogs, birds, etc.

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