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Species: Corvula batabana, Blue Croaker

All Families:   All Genera:   All Species:

dark + stripes
D 25-29
mouth slightly under snout
gill rakers 18-22
preoperculum finely serrated
A 7-8, 2nd spine 33-40% head

Corvula batabana (Poey, 1860)

Blue Croaker

Body short, oblong, compressed; head short, cavernous but not spongy on top; eye moderate size (¼ of head length); mouth slightly overhung by snout, slightly oblique; jaw teeth small, conical, in bands; chin with 5 pores, no barbel; margin of peropercle finely serrated; gill rakers 18-22; top corner of gill opening notched; dorsal rays X-XI+I, 25-29; anal rays II, 7-8, second anal spine moderately strong, 33-40% head length, but <2/3 length of first soft ray; tail fin rounded; scales smooth on head, rough on body, basal 1/2 of soft dorsal and anal scaled; lateral line scales 50; lateral line extends to center of the end of the tail fin.

A distinctive dark blue-grey; scattered dark spots on upper back; thin dark stripes, oblique above lateral line, horizontal below.

Maximum size, to about 25 cm.

Inhabits clear water, vegetated mud flats and coral reef areas.

Depth: 3-30 m.

The Gulf of Mexico to the S Caribbean.

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  • Marine
  • Marine Only
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Submerged vegetation
  • Reef (rock/coral/oyster)
  • Reef and soft bottom
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Demersal
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 25
Depth Range Min
  • 3
Depth Range Max
  • 30