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Definition of sailfin pleco

sailfin pleco

Plural:sailfin plecos
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• noun

1

A large species of freshwater armored catfish (Pterygoplichthys gibbiceps) native to the Amazon and Orinoco river basins in South America, popular in the aquarium trade for its large, sail-like dorsal fin and algae-eating habits.

Example

"The novice aquarist was surprised to learn that their small sailfin pleco could eventually grow to over eighteen inches long and outgrow the starter tank."

Synonyms
View all synonyms for sailfin pleco

• Nearby Words

sailfin dragon
sailfin lizard
sailfin molly
sailfin pleco
sailfin tang
sailfish
saindoux

Cite this Entry

Wordmom. (2026). Definition of Sailfin pleco. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/sailfin%20pleco
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