An adjective used to name saltwater fish?

tarpon- poon, silver king

bonefish- grey ghost

king mackerel- kingfish, silver bullet

snook- bucket mouth, line sider, moss back

small red drum- rat

male red drum- bull red

dolphin- dorado, mahi mahi, peanuts, chickens

female dolphin- cow

male dolphin- bull

amberjack- aj, reef donkey, wreck donkey

sWordfish, sailfish, marlin- bill fish

snapper- snaps

small tuna- footballs

sardines- greenbacks, white bait

flounder- door mat

blue runner- wezzy