Morphology Data of Helcogramma inclinata
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 always different colors between mature adults
Remarks Fins transluscent or pale in females but dark in males; body pigmentation y-shaped bands in females, but triangular blotches in males, head bicolored in males (Ref. 9849, 90102).

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 rays III + XII -XVI (usually XIV-XV) + 9-11 (usually 11), first dorsal spine remarkably longer than succeeding two, 0-2 pterygiophore without spines; anal fin I, 18-22 (usually 20-21); pectoral rays 16-17 (usually 1+8+7); pelvic fin I,2; caudal rays 13, branched 9, procurrent 8-10 both in dorsal and ventral. Vertebrae 10+ 27-30; last pleural rib on 10th, last epipleural rib on 13-16th vertebral centrum. Lateral line continuous, pored scales 24-35 (usually 28); head scaleless, nape 1-2 rows, dorsalmost usually missing; scales ctenoid; largest (twice in size) at the area posterior to pectoral-fin base and below the lateral line. Gill rakers on first arch 8; pseudobranchial filaments 4; mandibular sensory pores 5-12 + 5-10 + 5-12 (usually 9+5+8); orbital cirrus small (sometimes minute) (Ref. 9849, 52308, 90102). Overall translucent grey with dark vertical saddles, Y-shaped bars (in females and young males, mainly dorsal) or triangular blotches (in mature males, mainly ventral). Mature males head darker on ventral side pale on upper half, bicolored pattern extends posteriorly to pectoral-fin area which has 3 pale spots vertically aligned; all other fins uniformly black. Females and young males, head with prominent blue horizontal stripe below the eye, fins transluscent or pale, dorsal and anal fins with small dark spots, pectoral fin with dark spot over bases of median rays, caudal fin pale with 3 dark stripes (Ref. 9849, 52308, 90102). Also Ref. 94457.

Ease of Identification

Meristic characteristics of Helcogramma inclinata

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 24 - 35
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 8 - 8
Vertebrae
preanal 10 - 10
total 37 - 40

Fins

Dorsal fin(s)

Attributes
Fins number 3
Finlets No. Dorsal   
Ventral  
Spines total 15 - 19
Soft-rays total 9 - 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 18 - 22

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   16 - 17
Pelvics Attributes  more or less normal
Position    jugular
Spines     1
Soft-rays   2 - 2
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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