Morphology Data of Chromis howsoni
Identification keys
Main Ref. Allen, G.R., 2014
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
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth terminal
Type of scales ctenoid scales

This species is distinguished by the following set of characters: D XI or XII,11-13 (usually XII, 13); A II,12-13 (rarely 13); pectoral rays 15-17 (rarely 17); spiniform caudal rays 2; tubed lateral-line scales 12-14 (usually 13); total gill rakers on first branchial arch 27-31; body depth 1.6-1.8 in SL; colour in life yellowish brown grading to grey brown on posterior body including caudal peduncle; orange bar across pectoral-fin base, invading axil of fin; pelvic fins are yellow; dorsal and anal fins are brown with yellow area posteriorly on each fin; dark brown margin, dorsally and ventrally on caudal fin, tapering in width posteriorly (Ref. 96316).

Ease of Identification

Meristic characteristics of Chromis howsoni

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 2.5 - 2.5
Scale rows below lateral line 8.5 - 8.5
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 20 - 24
on upper limb 6 - 8
total 27 - 31
preanal 11 - 11
total 26 - 26


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 11 - 12
Soft-rays total 11 - 13
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 12 - 13

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   15 - 17
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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