I'm assuming you are referring to aquarium fish. The amount of eggs laid can vary greatly between species. Dozens can often be expected from most fish.
they can lay hundreds of eggs
about how many eggs does a minibeast lay
They lay up to 200,000 eggs
anacondas lay 20 to 80 eggs
The females lay about a dozen eggs
Seagulls (there are many species) are birds and lay eggs.
rabbits do not lay eggs. they are mammals.
Only the females lay eggs.
Cougars are mammals, they don't lay eggs.
Yes, crickets do lay eggs. Female crickets typically lay between 150 to 400 eggs at a time.
Chocolate chickens don't lay eggs.
they can lay 4 to 6 eggs