Family : Mastacembelidae (Spiny eels)
Order : Synbranchiformes (spiny eels)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Lesser spiny eel
Fish Name : Macrognathus aculeatus
Max size : 38.0 cm TL (male/unsexed; Ref. 2073)
Environment : benthopelagic; potamodromous; pH range: 6.5 - 7.5; dH range: 15
Climate : tropical; 23 - 28°C
Global Importance : fisheries: minor commercial; aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution : Asia: Thailand, Malay Peninsula, Borneo and Indonesia. Reported from Bangladesh (Ref. 1479) and Nepal (Ref. 9496); India (Ref. 43634).
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 : Occurs in medium to large-sized rivers (Ref. 12975). Found in lowland wetlands and peats. Uncommonly seen in aquarium trades (Ref. 57235)
Threatened : Dangerous:
Dangerous : harmless
Coordinator :
Main Ref : Roberts, T.R.. 1989. (Ref. 2091)
India country information
Common Names : [ No common name ]
Status : native
Salinity : freshwater
Uses : no uses
