Main Ref. | Williams, J.T. and J.C. Howe, 2003 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | always different morphology between mature adults |
Different colors | |
Remarks | Adults males with first dorsal fin spine elongate, when depressed reaching base of fourth to sixth spine of second dorsal. |
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 |
A species of Helcogramma (sensu Hansen, 1986) with 2 symphysial mandibular sensory pores, second dorsal fin spines usually XIV (two of 80 specimens with XIII and 11 with XV), third dorsal fin segmented rays 10-11, last ribs on vertebral centrum 10, vertebrae modally 10+27=37, pored lateral line scales modally 19 or 20, nape scales present, males with dusky anal fin, both sexes with distinctive pale (red in life), oblong streak over lowest pectoral fin ray bases, adult males first dorsal elongate, reaching base of fourth to sixth spine of second dorsal fin when depressed (Ref. 52308). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 17 - 26 |
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 | 37 - 37 |
Attributes | |
Fins number | 3 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 16 - 18 |
Soft-rays total | 11 - 12 |
Adipose fin |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 1 - 1 |
Soft-rays total | 20 - 22 |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays 15 - 17 | |
Pelvics | Attributes more or less normal |
Position jugular | |
Spines 1 | |
Soft-rays 2 - 2 |