Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) >
Synbranchiformes (Spiny eels) >
Mastacembelidae (Spiny eels)
Etymology: Macrognathus: Greek, makros = great + Greek, gnathos = jaw (Ref. 45335).
Environment / Climate / Range
Ecology
Freshwater; demersal. Tropical, preferred ?
Asia: Kyeintali Chaung in the Rakhine Yoma mountain range, Myanmar.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 15.8 cm SL male/unsexed; (Ref. 83418)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 4 - 6;
Dorsal
soft rays
(total): 53-55;
Anal
spines: 3;
Anal
soft rays: 47 - 51;
Vertebrae: 73 - 76. Belongs to the Macrognathus aculeatus species group but can be distinguished from all other Asian mastacembelids by having only 4-6 spines on dorsal fin (vs. 11-40). Differs further from all members of the Macrognathus aculeatus species group by having only 6-8 rostral tooth plates (vs. 9 in Macrognathus meklongensis to 55 in Macrognathus tapirus) and the details of color pattern (Ref. 83418).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Britz, R., 2010. Species of the Macrognathus aculeatus group in Myanmar with remarks on M. caudiocellatus (Teleostei: Synbranchiformes: Mastacembelidae). Ichthyol. Explor. Freshwat. 20(4)[2009]:295-308. (Ref. 83418)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
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