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Definition of suckermouth catfish
suckermouth catfish
Plural:suckermouth catfish
suckermouth catfish Lexical Profile
CEFR
C1
Grade
8
Tier
3
Usage
Rare
• noun
1
Any of numerous species of freshwater fish in the family Loricariidae, native to tropical Central and South America, characterized by bony armored plates covering their bodies and a ventral suctorial mouth adapted for scraping algae and clinging to submerged surfaces.
Example
"The aquarist added a suckermouth catfish to the tropical tank to help control the rapid growth of algae on the glass."
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Suckermouth catfish. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/suckermouth catfish