Morphology Data of Chromis pacifica
Identification keys
Main Ref. Allen, G.R. and M.V. Erdmann, 2020
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 XII,12-14 (usually XII,13); A II,12-14 (usually II,13); pectoral-fin rays 16-18 (usually 17); spiniform caudal-fin rays 2; tubed lateral-line scales 14-17 (usually 15-16); total gill rakers on first branchial arch 27-32; body depth 1.8-2.0 (mean 1.9) in SL. Colouration: in life overall yellowish brown, typically with lateral greyish to purplish stripes along scale rows; the dorsal and anal fins are brownish with dark-brown triangular marking posteriorly and caudal fin yellowish; pectoral fin with a prominent round, blackish spot covering the entire base and axil (Ref. 122787).

Ease of Identification

Meristic characteristics of Chromis pacifica

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 14 - 17
Scales in lateral series 27 - 27
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 19 - 24
on upper limb 7 - 9
total 27 - 32
preanal 11 - 11
total 26 - 26


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 12 - 12
Soft-rays total 12 - 14
Adipose fin

Caudal fin


Anal fin(s)

Fins number 2
Spines total 2 - 2
Soft-rays total 12 - 14

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   16 - 18
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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