HomeFish encyclopediaRay-finned fishesHerringsAnchoviesSabretoothed thryssa Sabretoothed thryssa (Lycothrissa crocodilus) Scientific name: Lycothrissa crocodilus Bleeker, 1851 The Sabretoothed thryssa (Lycothrissa crocodilus) is a freshwater fish of the family Engraulidae. BiologyDorsal spines (total): 0; Anal spines: 0; Anal soft rays: 44 - 48. Belly with 16 to 19 keeled scutes from pectoral fin base to anus. Maxilla short, tip blunt; first supra-maxilla absent. Lower gill rakers short, with large tooth-like serrae. Anal fin origin before dorsal fin origin by about an eye diameter. Pectoral fins wholly or partly black, caudal yellow with black margin The enlarged jaw teeth distinguish it from any other Indo-West Pacific anchovy. Relatively small head; flat dorsal profile; long axillary scales at pectoral and pelvic bases.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLycothrissa crocodilusFamilyEngraulidae (Anchovies)OrderClupeiformes (Herrings)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentFreshwater; brackish; pelagic; potamodromousClimateTropicalDistributionAsia: rivers, lakes and estuaries of Banjermasin, Pontianak, Sinkawang, middle part of Kapuas River, Kalimantan; Banjuasin, Palembang, Djambi, Sumatra; Chao Praya River as far up as Lake Bueng-borapet or 210 km from the sea, Thailand; Tonle Sap, Cambodia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026