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Definition of keyhole cichlid
keyhole cichlid
Plural:keyhole cichlids
• noun
1
A small, peaceful freshwater fish (Cleithracara maronii) native to the coastal river basins of northern South America, popular in the aquarium trade and named for the distinctive, keyhole-shaped dark spot on its flanks.
Example
"The keyhole cichlid is highly recommended for beginner aquarists due to its hardy nature and unusually docile temperament compared to other members of its family."
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Keyhole cichlid. In Wordmom Dictionary. Retrieved Nov 2, 2026, from https://wordmom.com/dictionary/keyhole-cichlid