Most fish lay eggs, but some give birth to live young.
The Pacific ocean produces the most fish as it is the largest ocean in the world. The Pacific ocean also boasts the most fish being caught in it.
Most fish reproduce sexually (as per usual there are exceptions). Marine dwelling mammals (dolphins and whales) all reproduce sexually.
the atlantic ocean
The Euphotic Zone has the most fish.
The Smart Fish
Fish sexually reproduce.
Sterile ones, like most of the corn grown today (in the US).
a shark
Star fish reproduce by splitting. They are asexual so they don't need a partner to reproduce.
More fish.
Some fish do in fact only reproduce one time. Other fish can reproduce as many times as they would l like.
The moon fish reproduce by spawning. All fish reproduce by spawning.