Orangemouth anchovy (Thryssa vitrirostris) fish species and information / pictures of Orangemouth anchovy - Thryssa vitrirostris

Orangemouth anchovy (Thryssa vitrirostris) fish species information

Scientific Name
Thryssa vitrirostris

Common Name
Orangemouth anchovy

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 31 - 40. Belly with 16 to 19 + 8 t0 12 = 24 to 30 keeled scutes from isthmus to anus. Maxilla long, reaching beyond base of first pectoral fin ray; minute, oval first supra-maxilla. Lower gill rakers with serrae on the inner edge in distinct clumps in larger fishes. A dark blotch behind upper part of gill opening; inside of gill cavity bright orange.

Classification

Classified By

Gilchrist & Thompson, 1908

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Indian Ocean

Distribution

Indian Ocean: Madagascar, coasts of Africa from Port Alfred northward to the Persian Gulf but not in the Red Sea, coasts of Pakistan and India, perhaps to Calcutta and off Myanmar, but no records.

Range

31°N - 40°S, 20°W - 88°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-neritic

Environment

Marine; brackish; pelagic-neritic; depth range 0 - 50 m (Ref. 189)

Trophic Level

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

Occurs in Marine / Salt water

True

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

20.0 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: minor commercial; bait: usually

Vulnerability

Low vulnerability (24 of 100)

Resilience

High, minimum population doubling time less than 15 months (K=0.5)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated