Morphology Data of Opsarius pectoralis
Identification keys
Main Ref. Husain, A., 2012
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 short and / or deep
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales

Snout broadly obtuse; lower jaw over hanging lower jaw; maxilla reaching to slightly beyond

anterior margin of eye; 3rd suborbital half as deep as uncovered part of cheek below; dorsal commencing midway between nasal opening and caudal base; three outer pectoral rays strongly thickened, margin of pectoral fin notched at 3rd outer ray and next three rays bounded by a thick membrane in males; 4-5 rows of scales between lateral line and base of pelvic fin; 9-10 short lateral bars, not extending beyond dark coloration of back; and predorsal scales 29 (Ref. 93114).

Ease of Identification

Meristic characteristics of Opsarius pectoralis

Lateral Lines Interrupted: No
Scales on lateral line 58 - 59
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 4
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 3 - 3
Soft-rays total 7 - 7
Adipose fin absent

Caudal fin

Attributes forked

Anal fin(s)

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

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   14 - 14
Pelvics Attributes  
Position    abdominal  before origin of D1
Spines     1
Soft-rays   8 - 8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17