Macrognathus aculeatus (Bloch, 1786) Lesser spiny eel |
photo by
Roberts, T.R. |
Family: | Mastacembelidae (Spiny eels) | |||
Max. size: | 38 cm TL (male/unsexed) | |||
Environment: | benthopelagic; freshwater; brackish; pH range: 6.5 - 7.5; dH range: 15, potamodromous | |||
Distribution: | Asia: Thailand, Malay Peninsula, Borneo and Indonesia. Reported from Bangladesh (Ref. 1479) and Nepal (Ref. 9496); India (Ref. 43634); Viet Nam (Ref. 89724). | |||
Diagnosis: | Dorsal spines (total): 14-20; Dorsal soft rays (total): 52-56; Anal spines: 3-3; Anal soft rays: 50-54. Body with series of obliquely oriented bars (Ref. 39392). Dorsal and anal fins with a row of isolated spines followed by a long continuous soft portion, both fins extending to but not confluent with caudal fin. Pelvic fins absent. Caudal fin rounded (Ref. 4792). | |||
Biology: | Adults occur in medium to large-sized rivers (Ref. 12975). Found in lowland wetlands and peats. Uncommonly seen in aquarium trades (Ref. 57235). | |||
IUCN Red List Status: | Least Concern (LC); Date assessed: 11 December 2019 Ref. (130435) | |||
Threat to humans: | harmless | |||
Country info: |
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