Morphology Data of Nemipterus nematopus
Identification keys
Abnormalities
Main Ref. Russell, B.C., 1991
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section oval
Dorsal head profile clearly convex
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales ctenoid scales
Diagnosis

Lower edge of eye touching or above a line drawn from the tip of snout to the upper base of the pectoral fin. Suborbital shallow, with a slightly emarginate lower edge. Dorsal fin origin about 2-6 scale rows from an imaginary line projected upwards from the posterior edge of the suborbital to dorsal profile. Relatively high soft dorsal fin, with the posterior rays the longest among the Nemipterus species. Upper lobe of caudal fin pointed and bright sulphur-yellow. Axillary scale present. Color: Pinkish head and body with mauve reflections, becoming pearly white on the ventral side.

Ease of Identification

Meristic characteristics of Nemipterus nematopus

Lateral Lines 1 Interrupted: No
Scales on lateral line 46 - 47
Pored lateral line scales 17
Scales in lateral series
Scale rows above lateral line 3 - 3.5
Scale rows below lateral line 10 - 10
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only) absent
Gill rakers
on lower limb
on upper limb
total 13 - 16
Vertebrae
preanal
total

Fins

Dorsal fin(s)

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

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 7 - 7

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   16 - 18
Pelvics Attributes  more or less normal
Position    thoracic  beneath origin of D1
Spines     1
Soft-rays   5 - 5
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