Swatow thryssa (Thryssa adelae) fish species and information / pictures of Swatow thryssa - Thryssa adelae

Swatow thryssa (Thryssa adelae) fish species information

Scientific Name
Thryssa adelae

Common Name
Swatow thryssa

Biology
Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 34 - 41. Belly with 17 (rarely 28) + 9 = 26 or 27 (rarely 28) keeled scutes from isthmus to anus. Maxilla long, reaching beyond base of first pectoral fin ray; first supra-maxilla small, oval. A dark blotch behind upper part of gill opening.

Classification

Classified By

Rutter, 1897

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Anchovies (Engraulidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Taiwan and northern waters of China, but exact northern extent not known.

Range

37°N - 21°N, 115°E - 124°E

Environment

Climate

Subtropical

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

Trophic Level

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

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

11.0 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: subsistence fisheries

Vulnerability

Low vulnerability (13 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