Scientific Name
Corvula batabana

Common Name
Blue croaker

Biology
Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 25-29; Anal spines: 2; Anal soft rays: 7 - 8. A distinctive bluish grey in life, with scattered dark spots on back and upper sides. Longitudinal stripes below lateral line. Mouth subterminal, slightly oblique. Chin without barbel but with 5 mental pores. Preopercle margin finely serrate without strong spines. Gas bladder with 2 chambers; anterior one yoke-shaped, without appendages, posterior chamber, carrot-shaped. Lapillus enlarged, more than half size of sagitta (Ref 51721).

Classification

Classified By

Poey, 1860

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Drums or croakers (Sciaenidae)

Distribution

Region

Western Atlantic

Distribution

Western Atlantic: southern Florida, Bay of Campeche, Greater Antilles and the Virgin Islands. Including Antilles (Ref. 26938).

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

10 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 3 - 10 m (Ref. 7251)

Trophic Level

3.39 s.e. 0.55 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

25.0 cm

Common Length

20.0 cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquarium: commercial

Vulnerability

Low vulnerability (21 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