Morphology Data of Onigocia spinosa
Identification keys
Abnormalities
Main Ref. Knapp, L.W., 1999
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
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

A short, branched supra ocular cirrus present. Infraorbital ridge entirely serrated over eye. Preopercular spines 3-5, not noticeably slanting towards mid-line; no smooth notch under eye. Antorbital margin with 3 antrorse spines. Lower side of head unicarinate. Lateral line scales frequently 37 or 38, anterior 7 to 27 scales bearing a small spine or ridge. Iris lappet bearing numerous short branches with bifurcate tips. Upper surface of eye with a short, branched cirrus.

Description: Characterized by mottled grey to brownish color; 3-4 dark brown cross bands on back and sides, prominent broad band between rear portion of spinous dorsal fin and second dorsal fin origin, band behind second dorsal fin and band at base of caudal fin; 3-5 preocular spines; 2-4 serrations on preorbital; supraorbital ridge entirely serrated over eye (Ref. 90102).

Ease of Identification

Meristic characteristics of Onigocia spinosa

Lateral Lines 1 Interrupted: No
Scales on lateral line 34 - 42
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 5 - 6
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 9 - 9
Soft-rays total 11 - 12
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 11 - 12

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   20 - 23
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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