Teleostei (teleosts) >
Synbranchiformes (Spiny eels) >
Mastacembelidae (Spiny eels)
Etymology: Macrognathus: Greek, makros = great + Greek, gnathos = jaw (Ref. 45335).
Eponymy: Henry George Keith (1899–1982) was born in New Zealand to English parents. [...] (Ref. 128868), visit book page.
More on author: Herre.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: northern Borneo.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 22.2 cm SL male/unsexed; (Ref. 12461)
Short description
Identification keys | Morphology | Morphometrics
Found in leaf banks or under log debris or rocks (Ref. 34011).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M., A.J. Whitten, S.N. Kartikasari and S. Wirjoatmodjo, 1993. Freshwater fishes of Western Indonesia and Sulawesi. Periplus Editions, Hong Kong. 221 p. (Ref. 7050)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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Special reports
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