Following are the proper plurals or collective names for a number of marine
animals, enough at least to form the basis for a complete collection of your
own.
A bale of turtles
A bed of clams or oysters
A bevy or wedge (flying) of swans
A gam, school or pod of whales
A gaggle of geese (on the ground)
A herd or pod of seals
A hover of trout
A knot of toads
A paddling of ducks (in the water
A school of porpoises (or fish in general)
A siege of herring
A shoal of bass (or most fish species)
A skein of geese (in flight)
A smack of jellyfish
A team of ducks (in flight)