Morphology Data of Poromitra nigriceps
Identification keys
Main Ref. Kotlyar, A.N., 2009
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

The species is distinguished by the following characters: spined posterior and lower margins of the praeoperculum, in the angular part of it is an unspined notch; insertion of the ventral fins is in front of the vertical of the posterior margin of the pectoral fin insertion; upper jaw extends beyond the vertical of the posterior eye margin; soft rays in dorsal fin 13, in anal fin 9-10; first branchial arch with 31-33 rakers; vertebrae 27-28; pyloric caeca 8 (Ref. 83719).

Ease of Identification

Meristic characteristics of Poromitra nigriceps

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 31 - 33
total 27 - 28


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total 3 - 3
Soft-rays total 13 - 13
Adipose fin

Caudal fin


Anal fin(s)

Fins number
Spines total 1 - 1
Soft-rays total 9 - 10

Paired fins

Pectoral Attributes  
Soft-rays   14 - 15
Pelvics Attributes  
Spines     1
Soft-rays   7 - 7
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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