Trout, smelt
hedge
tulip
Macau
Cadbury's Wispa, Flake, Fudge, Boost, Chomp, Twirl and Snack are all chocolate candy with 5 letters.
Terry, Tommy, Teddy are 3 examples.
Zebra
One fish I could think of is the Parrot fish.
A Wahoo fish
trout
Haddock
carp
Herring.
Goldfish Is a Silvery fish and it has 8 letters its name.
Gills .
there is a gold fish,beta all fishes have a 1 or 2 letters in it.
A bull shark has nine letters in its name. An angelfish also requires nine letters to spell out its name. Several other fish needing nine letters are the globefish, the bull trout, and the blue shark.
Roach