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Japanese tenspined silver-biddy (Gerres akazakii) fish species and information / pictures of Japanese tenspined silver-biddy - Gerres akazakii

Japanese tenspined silver-biddy (Gerres akazakii) fish species information

Scientific Name
Gerres akazakii

Common Name
Japanese tenspined silver-biddy

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7

Classification

Classified By

Iwatsuki, Kimura & Yoshino, 2007

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Mojarras (Gerreidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: likely to be endemic in Japan.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

2 m

Depth To - meters

3 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range 2 - 3 m (Ref. 58476)

Trophic Level

3.27 s.e. 0.44 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

16.9 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

Unknown

Vulnerability

Low vulnerability (16 of 100)

Resilience

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

Threat To Humans

Unknown

IUCN Red List Status

Not Evaluated