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Definition of leaf fish

leaf fish

Plural:leaf fishes
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• noun

1

Any of several small, highly camouflaged freshwater fishes, particularly of the family Polycentridae native to South America and Africa, characterized by a laterally compressed body and coloration that mimics a drifting dead leaf to ambush prey.

Example

"The Amazonian leaf fish drifted silently toward the small tetra before suddenly extending its jaws to engulf it."

Synonyms
View all synonyms for leaf fish

• Nearby Words

leadwort
leaf
leaf chameleon
leaf fish
leaf turtle
leaf-nosed snake
leaf-tailed gecko

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Leaf fish. In Wordmom Dictionary. Retrieved Oct 17, 2026, from https://wordmom.com/dictionary/leaf%20fish
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