Morphology Data of Helcogramma gymnauchen
Identification keys
Abnormalities
Main Ref. Allen, G.R. and M.V. Erdmann, 2012
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

Description: Dorsal fin III + XIVI-XVI + 8-11; anal fin I, 16-20; pectoral rays 15-21; pelvic fin I, 2. Mandibular pores 2-3 + 1 + 2-3. Overall translucent red or orange with bifurcated vertical dark reddish brown bands; in males banding extends to dorsal fins and anal fin black. Lacks orbital tentacle. Scaleless head, nape, and narrow portion below spinous dorsal fins. LL continuous, pored scales 18-29 (Ref. 90102).

Ease of Identification

Meristic characteristics of Helcogramma gymnauchen

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 14 - 19
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

Fins

Dorsal fin(s)

Attributes
Fins number 3
Finlets No. Dorsal   
Ventral  
Spines total 17 - 19
Soft-rays total 8 - 11
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 16 - 20

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   15 - 21
Pelvics Attributes  
Position    
Spines     1
Soft-rays   2 - 2
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