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Butis humeralis, commonly known as the dark sleeper or olive flathead-gudgeon, is a fish native to the waters of Indonesia and Indochina. Found in salt, brackish and fresh water, it reaches a standard length of 14.2 cm.[1] It closely resembles the crazy fish (Butis butis), but is more solid in build and never has two black spots at the base of its pectoral fins.[2]

Butis humeralis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gobiiformes
Family: Butidae
Genus: Butis
Species:
B. humeralis
Binomial name
Butis humeralis
(Valenciennes, 1837)
Synonyms

Eleotris humeralis Valenciennes, 1837

References

edit
  1. ^ Froese, Rainer; Pauly, Daniel (eds.). "Butis humeralis". FishBase. February 2015 version.
  2. ^ Yvonne Sadovy, Andrew S. Cornish (2000). Reef Fishes of Hong Kong. Hong Kong University Press. pp. 252–53. ISBN 9789622094802.