Morphology Summary - Rhinogobius nami
Morphology Data of Rhinogobius nami
Identification keys
Abnormalities
Main Ref. Maeda, K., H. Kobayashi, M. Iida and H.D. Tran, 2024
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  (shape guide) elongated
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following characters: pectoral fin rays 14-16 rays; second dorsal and anal fins usually with one spine and eight soft rays; total vertebrae usually 26; cycloid scales on nape and posterior part of occipital region; scaled area extending anteriorly to about halfway between posterior margins of preopercle and opercle; longitudinal scales 28-31, transverse scales 8-9; predorsal scales 6-11; cephalic sensory pore system usually with B´, C, D(S), E, F, H´, K´, L´, M´, N, and O´. Colouration: longitudinal, reddish-brown or dusky-brown stripes 5 (dotted lines) running from trunk to caudal peduncle both in male and female, fourth (from dorsal) one slightly below lateral midline most distinct and others sometimes unclear; male with 3 parallel, diagonally downward, reddish-brown or dusky brown stripes on ventral part of cheek; opercular membrane, interopercle, and lower part of subopercle of live male specimen light bluish-grey with many red or orange spots (Ref. 132587).

Ease of Identification

Meristic characteristics of Rhinogobius nami

Lateral Lines Interrupted: No
Scales on lateral line
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
on upper limb
total
Vertebrae
preanal
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 7 - 7
Soft-rays total 8 - 8
Adipose fin

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   14 - 16
Pelvics Attributes  
Position    
Spines     
Soft-rays   
(e.g. 9948)
(e.g. oophagy)
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