1
Guppy
Poecilia reticulata
A tiny, colorful livebearer from the Caribbean, one of the most successful aquarium and biology lab fish in the world.
Looking for 5-letter fish? Here are 2 fish that fit — each linked to a full profile.
Letters are counted across the whole name with spaces, hyphens, apostrophes, and diacritics excluded. "Apple Pie" is 8 letters; "Boeuf Bourguignon" is 16.
List of 5-letter Fish
2
Roach
Rutilus rutilus
A silvery, red-finned cyprinid that is one of Europe's most abundant freshwater fish.
About 5-letter fish
That's our current list of fish with exactly 5 letters. Need a different length? Try the browse-by-length pills in the sidebar, or combine with a starting letter — for example, 5-letter fish that start with A.