Morphology Data of Koumansetta rainfordi
Identification keys
Main Ref. Kovačić, M., S.V. Bogorodsky, A.O. Mal and T.J. Alpermann, 2018
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 elongated
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished by the following characters: D VI + I,15-17 (first 2 dorsal-fin spines filiform, elongate, remaining progressively shorter); A I,15-17; pectoral-fin rays 16-18; united pelvic fins, frenum absent; rounded caudal fin; scale in series, longitudinal 55-61 and transverse 17-19; interorbital wide, 75-100 % of eye diameter; rear margin of upper jaw ending at vertical through anterior margin of eye or slightly behind; scales ctenoid posteriorly, becoming cycloid anteriorly between first dorsal fin and pectoral fin, at axil of pectoral fin, on nape and entire belly; predorsal scales 24-26; scales do not reach level of the posterior edge of the eye on predorsal area, ending at the level of pore G; naked cheek and opercle, in some specimens with a few cycloid scales in upper part; scales cover the basal 1/4-1/6 of the caudal fin, becoming rapidly smaller and cycloid; prepectoral area with about 5-9 vertical series of fine cycloid scales which cover the entire base of the pectoral fin; prepelvic area with cycloid scales, 11-16 in the midventral row (Ref. 119548). Colour of body charcoal grey with 5 dark-edged orange to reddish stripes; upper back with a row of white spots; yellow-edged black spot on second dorsal fin; upper caudal fin base with black spot (Ref. 90102).

Ease of Identification

Meristic characteristics of Koumansetta rainfordi

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 55 - 61
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


Dorsal fin(s)

Fins number 2
Finlets No. Dorsal   
Spines total 7 - 7
Soft-rays total 15 - 17
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 15 - 17

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   16 - 18
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
Modified by Capuli, Estelita Emily
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17