Morphology Data of Helcogramma williamsi
Identification keys
Abnormalities
Main Ref. Chiang, M.-C. and I.-S. Chen, 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 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:Second dorsal-fin spines XIII; third dorsal-fin rays modally 11; anal-fin rays modally 19; lateral line with 22-24 pored scales; pattern of dentary pores modally 5+1+5; nape naked; supraorbital cirrus lobate; nasal cirrus broad, serrated or palmate; first dorsal fin lower in height than second; males with yellow mark from anterior tip of upper lip to anterior margin of eye and a whitish blue line extending from corner of mouth onto preopercle; trunk without longitudinal stripes; symphyseal dentary pores 1; upper lip without proboscis-like extension.

Ease of Identification

Meristic characteristics of Helcogramma williamsi

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 22 - 24
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 36 - 36

Fins

Dorsal fin(s)

Attributes
Fins number 3
Finlets No. Dorsal   
Ventral  
Spines total 16 - 17
Soft-rays total 10 - 11
Adipose fin

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 19 - 20

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   16 - 16
Pelvics Attributes  more or less normal
Position    jugular
Spines     1
Soft-rays   2 - 2
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