Sabretoothed thryssa (Lycothrissa crocodilus) fish species and information / pictures of Sabretoothed thryssa - Lycothrissa crocodilus

Sabretoothed thryssa (Lycothrissa crocodilus) fish species information

Scientific Name
Lycothrissa crocodilus

Common Name
Sabretoothed thryssa

Biology
Dorsal 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 (Ref. 189). Relatively small head; flat dorsal profile; long axillary scales at pectoral and pelvic bases (Ref. 43281).

Classification

Classified By

Bleeker, 1851

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Asia

Distribution

Asia: 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.

Range

17°N - 5°S, 98°E - 117°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic

Environment

Freshwater; brackish; pelagic; potamodromous (Ref. 51243)

Trophic Level

3.71000003814697 s.e. 0.59 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

30.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (33 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated