Depending on what size the fish.
Since the last time I checked, fish.
Lobster
Fresh Fish - Live Lobster = Red Lobster
yes some fish like flounder eat lobster
any where
No
Lobsters aka Homarus Americanus, are bottom feeding animals and best caught using a trap. The trap is typically an easy entry and impossible exit for lobsters. The primary bait for lobster traps is cod fish heads. Some aggressive lobster anglers (particularly when fishing for Caribbean spiny lobster) fish by hand with snorkle or scuba gear.
No
The crayfish isn't a fish at all - it is related to the lobster.
a saltwater fish
No ! div ! IT FISH INIT !
a Saltwater Fish