Scientific Name
Gerres erythrourus

Common Name
Deep-bodied mojarra

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 7. Indistinct dark stripes along scale rows above and 4-6 rows immediately below lateral line (apparent in newly preserved specimens). Second dorsal fin spine longer than the 3rd. No scales on upper preopercular flange in approximately 10 cm SL specimens; 1-5 scales (usually 2-3) in over 16 cm SL specimens. Scales between 5th dorsal fine spine base and lateral line 3.5-4.5 (Ref. 28029). Supraneural bones 3 (Ref. 41102). Ventral and anal fins yellow with white tips Ref. 34765).

Classification

Classified By

Bloch, 1791

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Mojarras (Gerreidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Madagascar to Australia. Reported from Vanuatu (Ref. 13300). Larvae reported in Japan as Gerres abbreviatus (Ref. 9902).

Range

30°N - 12°S

Environment

Climate

Tropical

Water Temperature From

26 °C

Water Temperature To

29 °C

Depth From - meters

10 m

Depth To - meters

40 m

Zone

reef-associated

Environment

Marine; brackish; reef-associated; oceanodromous (Ref. 51243); depth range 10 - 40 m (Ref. 1602)

Trophic Level

3.34 s.e. 0.43 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

30.0 cm

Common Length

25.0 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 (24 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