Morphology Data of Rhinecanthus rectangulus
Identification keys
Abnormalities
Main Ref. Myers, R.F., 1991
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

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
Type of scales
Diagnosis

Body orange-brown above; head and belly white; soft dorsal, anal and pectoral fins pale; caudal fin dusky (Ref. 4420).

Description: Characterized by presence of black band through eye connecting expansive black area between pectoral and anal fin bases; caudal peduncle/posterior body with distinctive black triangular mark; absence of groove in front of eye; nearly straight dorsal and ventral profiles of head; caudal peduncle and adjacent posterior body with 4-5 horizontal rows of small, anterior projecting spines; rounded caudal fin (Ref. 90102).

Ease of Identification

Meristic characteristics of Rhinecanthus rectangulus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 33 - 39
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
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 3 - 3
Soft-rays total 22 - 25
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 0 - 0
Soft-rays total 20 - 22

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   13 - 15
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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