The main reason that fish produce a very large number of young is because of predators. They also produce a large number of young because many die during the early stages of life.
Because the eggs will be eaten while they are the egss and will not survive so fish produce a large number of young to guarntee a good survival chance.
fish that give no protection to their young lay large numbers of eggs
Most of them will not live to become adults. By producing a large number of young, it helps assure that SOME will live to become adults, and reproduce. Otherwise, all frogs and fish would have died long ago.
with eggs
Yes but star fish are asexual so they dont need a partner
Starfish do not care for their young.
Little black fish
The vast majority of fish do nothing, except to produce more than the predators can eat.
Gourami
what fish feed their own young Both the male and the female Discus fish (Symphysodon discus) produce a nourishing slime on their sides/flanks for their fry to devour.
fish
A shoal - a large number fish swimming together