It depends on the type of fish. Some are a few millemeters while others like sharks can be foot or two long.
Big fishes eat medium fishes as that's just part of the food chain.
it hatches
Fish eggs are called "roe."
shark
a fishes stomach is as big as its eye
all fishes in seas,rivers,ponds,lakes or anywhere else hatch from an egg
Put them in separate tanks or put a divider in the tank.
A Raptor egg is as big as a Ostrich egg
Sharks! Really Big Squids! People what live on boats and eat fishes! Fishes what eat other fishes too!
The size and dimensions of a fishes ovum depends on the species of fish.
fishes like whales dolphin and more big fishes can live in a aquarium
dove egg are the small of a big nut