Richardson's sardinella (Sardinella richardsoni) fish species and information / pictures of Richardson's sardinella - Sardinella richardsoni

Richardson's sardinella (Sardinella richardsoni) fish species information

Scientific Name
Sardinella richardsoni

Common Name
Richardson's sardinella

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-21; Anal spines: 0; Anal soft rays: 12 - 23. Total scutes 30 to 32; vertical striae on scales continuous or overlapping, numerous small perforations on hind part of scale. Distinguished from S. zunasi by having more lower gill rakers and a deeper body; from S. hualiensis by the absence of black tips to its caudal and dorsal fins; from S. fimbriata and S. albella by the continuous striae on its scales.

Classification

Classified By

Wongratana, 1983

Class

Ray-finned fishes (Actinopterygii)

Order

Herrings (Clupeiformes)

Family

Herrings, shads and sardines (Clupeidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Hainan Island, Hong Kong, China.

Range

30°N - 17°N, 106°E - 123°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; pelagic-neritic; depth range 0 - 50 m (Ref. 188)

Trophic Level

2.87 s.e. 0.32 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

12.0 cm

Common Length

10.0 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

Vulnerability

Low vulnerability (15 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