a school of fish
A cod
The study of fish is called Ichthyology. So you would call smeone who studies fish a ICHTHYOLYGIST. +++ I think a lot of them call themselves "Marine Biologists" - it's easier to pronounce, just as accurateand easier for non-specialists, the public and funding administrators to understand.
a lot of med students call it "fish head"
Yes its a fish
fish do not sneeze I don't know, what do you call a fish that sneezes?
a lot of islands have fish :)
school of fish
A Sucker Fish!
A group of fish is called a school of fish.
You call then twits. But not all fish can get pregnant, some are egg layers.
A slim fish...
fish keeper