Morphology Data of Parastromateus niger
Identification keys
Abnormalities
Main Ref. Munro, I.S.R., 1967
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral short and / or deep
Cross section compressed
Dorsal head profile clearly concave
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales
Diagnosis

Deep-bodied and strongly compressed fishes. Lateral line ends in weakly-developed scutes on the caudal peduncle. Pelvic fins lost in individuals over 9 cm. Color is brown above, silvery-white below. The anterior parts of the dorsal and anal fins bluish-gray. The other fins yellowish.

Ease of Identification

Meristic characteristics of Parastromateus niger

Lateral Lines 1 Interrupted: No
Scales on lateral line 108 - 112
Pored lateral line scales
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 10 - 10
total 24 - 24

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 2 - 6
Soft-rays total 41 - 46
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 2
Spines total 2 - 2
Soft-rays total 35 - 40

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   23 - 24
Pelvics Attributes  suppressed/absent
Position    absent
Spines     0
Soft-rays   0 - 0
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