Slender thryssa (Thryssa stenosoma) fish species and information / pictures of Slender thryssa - Thryssa stenosoma

Slender thryssa (Thryssa stenosoma) fish species information

Scientific Name
Thryssa stenosoma

Common Name
Slender thryssa

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 40 - 45. Belly with 15 to 17 + 10 to 12 = 26 to 28 keeled scutes from isthmus to anus. Tip of snout at about level of eye center or just a little higher. Maxilla long, reaching to pectoral fin base or slightly beyond; first supra-maxilla minute, oval; teeth in lower jaw slightly enlarged. No dark blotch behind upper part of gill opening; a pair of dark lines along back.

Classification

Classified By

Wongratana, 1983

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: northern part of Bay of Bengal, in Godavari and Ganges estuaries.

Range

25°N - 15°N, 82°E - 96°E

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

50 m

Zone

pelagic

Environment

Brackish; pelagic; amphidromous (Ref. 51243); depth range 0 - 50 m (Ref. 189)

Trophic Level

3.3 s.e. 0.46 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

15.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (16 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