Helcogramma rhinoceros (Chiang, Min-Chia & Chen, I-Shiung 2012)
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Ordo: Perciformes
Familia: Tripterygiidae
Genus: Helcogramma
Name
Helcogramma rhinoceros Hansen, 1986 – Wikispecies link – Pensoft Profile
- Helcogramma rhinoceros Chiang, Min-Chia, 2012, ZooKeys 216: 64-64.
Description
Description. D III, XIV-XV, 10-11. A I, 20. Lateral line with 19-22 pored scales. Dentary pore pattern 4+1+4. Supraorbital cirrus small and pointed. Nasal cirrus simple and slender. First dorsal-fin height equal to second dorsal-fin height. Vertebrae 11+26. Males with a proboscis-like dermal prolongation on tip of upper lip. Head of males orange above; head below level of eye, including upper lip and its extension, black; black pigment extending onto basal portion of pectoral fin. A yellowish or bluish white line extending along edge of black mask from upper rim of upper jaw to opercle and onto pectoral-fin base. Body pale yellow with indistinct H-shaped yellowish orange to orange markings. In males, H-shaped markings diffuse, narrow pale saddle marks extending discontinuously from dorsum to midline and below. A row of reddish blotches present along lateral midline, yellowish orange spots present at dorsal-fin base, and a dark blotch comprising densely packed melanophores present at posterior base of first dorsal fin and at anterior base of second dorsal fin. Dorsal-fin spines and rays orange near distal margin of fin; membranes yellowish orange on basal half and spotted with small melanophores on distal half. Uppermost pectoral-fin rays translucent, lowermost grayish or blackish. Anal fin orange. Caudal fin pale red and semi-translucent. Colour pattern of females based on Hansen (1986): head and body overall lighter than males; body with same pigment pattern as males; head without dark mask but with irregular scattered melanophores on face and diffuse band from eye onto upper lip.
Distribution
Distribution. One specimen was collected in this study at a depth of 9 m from southern Taiwan. This species previously has been recorded from the Philippines, Thailand, Indonesia, Solomon Islands, and Vanuatu (Hansen 1986; Fricke 1997).
Taxon Treatment
- Chiang, Min-Chia; Chen, I-Shiung; 2012: A new species of the genus Helcogramma (Blenniiformes, Tripterygiidae) from Taiwan ZooKeys, 216: 64-64. doi
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