Morphology Data of Trichonotus arabicus
Identification keys
Abnormalities
Main Ref. Randall, J.E. and A.B. Tarr, 1994
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Females with an indistinct narrow dark stripe on body above lateral line and no black on anterior part of dorsal fin; males with a longitudinal row of 14 brown spots and 3 rows of small, dark edged, pale blue spots on body; dorsal and anal fins with a row of yellow dots on each membrane.

Ease of Identification

Meristic characteristics of Trichonotus arabicus

Lateral Lines Interrupted: No
Scales on lateral line 55 - 57
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 20 - 23
on upper limb 6 - 9
total 26 - 32
Vertebrae
preanal
total 52 - 54

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 3 - 4
Soft-rays total 44 - 47
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 36 - 39

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   13 - 15
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     1
Soft-rays   5 - 5
Back to Search
Comments & Corrections
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17