Gymnocranius griseus


Grey large-eye bream GMR
Characteristic features:

Variation between individuals are common within this species. Fin colour and bands or patterns on the body can vary between specimens.

Colour:

Silvery with 5–8 diffuse and vivid narrow dark bars on side, 4th dark bar running from below 6th dorsal-fin spine to mid pelvic-anal space; fins mainly clear to yellowish.

Size:

Up to 35 cm TL.

Habitat:

Over sandy areas near reefs, from 20 to 80 m depth.

Biology:

Feeds on bottom dwelling invertebrates.

Indonesian fisheries:

Caught with bottom trawls and handlines.

Similar species:

Gymnocranius grandoculis
Blue-lined large-eye bream

Gymnocranius grandoculis

Gymnocranius grandoculis differs in having horizontal, wavy blue lines present for specimens >20 cm TL on snout and cheek (vs. no blue markings) and dark bars along body, 4th bar running from 6th dorsal-fin spine to mid pelvic-anal space (vs. dark bars along body, 4th bar running from 6th dorsal-fin spine to anal-fin origin <20 cm SL).

Gymnocranius elongatus
Forktail large-eye bream

Gymnocranius elongatus

Gymnocranius elongatus differs in having a deeply forked caudal fin, the median rays shorter than eye diameter (vs. moderately forked, the median rays slightly longer than eye diameter) and lower edge of eye level with snout tip to middle of caudal-fin fork (vs. lower edge of eye slightly above line from snout tip to middle of caudal-fin fork).

Gymnocranius frenatus
Yellowsnout large-eye bream

Gymnocranius frenatus

Gymnocranius frenatus differs in having 3 or 4 oblique blue lines on snout and cheek (vs. no markings).

Gymnocranius euanus
Japanese large-eye bream

Gymnocranius euanus

Gymnocranius euanus differs in having 4½ scale rows between lateral line and base of middle dorsal-fin spines (vs. 5½).

Gymnocranius satoi
Blacknape large-eye bream

Gymnocranius satoi

Gymnocranius satoi differs in having blue speckles on snout and cheek (vs. blue markings absent) and inner edge of caudal-fin lobes straight (vs. convex).

Gymnocranius obesus
Obese large-eye bream

Gymnocranius obesus differs in having a dark bar running from below sixth dorsal-fin spine to anal-fin origin (vs. dark bar running from below sixth dorsal-fin spine to mid pelvic-anal space) and 4–6 front scales on the top of head (vs. 9–11).

External links: