they have to
It depends on the fish. Some do. Others ( such as the salmon ) die right after they lay the eggs.
The main fish that eats the stickleback fish is the brown trout. There are also many birds that eat the stickleback fish.
Brook stickleback fish live to about one to two years occasionally three years.
External, like most fish.
A type of spiky fish.
egg, baby fish ..........
a shark maybe....
shrimp, insects and sometimes other fish
Ello Bradley! Wut U dewan?
An aulorhynchid is a member of the Aulorhynchidae, a species of fish related to the stickleback.
The scientific or taxonomic name would be Gasterosteus spp.
I Think It's Internal Because Fish Lay Egg