Morphology Data of Oxycheilinus bimaculatus
Identification keys
Abnormalities
Main Ref. Randall, J.E., G.R. Allen and R.C. Steene, 1990
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales cycloid scales
Diagnosis

Body variable from brown to yellow or green mixed with various color shades or spots. Males develop long filaments on the caudal fin (Ref. 48636). Young with a broad, dark lateral stripe which breaks into dark blotches in adults, the largest above distal pectoral fins. A small dark spot behind eye. Mouth terminal or lower jaw slightly projecting. Caudal fin of terminal males rhomboid, with central rays longest, and dorsalmost caudal-fin ray elongated into a short filament. A small species (reaching about 14 cm) (Ref 9823).

Ease of Identification

Meristic characteristics of Oxycheilinus bimaculatus

Lateral Lines 1 Interrupted: No
Scales on lateral line 19 - 23
Pored lateral line scales 15 - 16
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 9 - 9
Soft-rays total 10 - 11
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   12 - 13
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     1
Soft-rays   5 - 5
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