New species of deep-sea anglerfish from Northern Indian Ocean

Chaunax multilepis

Phylum: Chordata Haeckel, 1874

Class: Actinopterygii Klein, 1885

Order: Lophiiformes Garman, 1899

Family: Chaunacidae Gill, 1863

Genus: Chaunax Low, 1846

Chaunax multilepis Ho, HC., Meleppura R.K. and Bineesh, K.K. 2016

Collection: Andaman Sea, Off North Andaman Island, 13.26°N, 93.17°E, 295−323 m, November 2011.

Voucher No: CMLRE 292 341 7A

Description: A species of Chaunax abei species group that is distinguished from congeners in the species group by having a continuous tooth patch on vomer, not divided into two patches, and four or five neuromasts in the lower preopercular series. It can be further separated by the following combination of characters: large green spots on dorsal surface; simple spinules on dorsal surface; 12 pectoral-fin rays; 13–16 neuromasts in pectoral series; 30– 37 neuromasts in lateral-line proper; typically four neuromasts on caudal-fin base; typically 7 neuromasts in mandible; typically 12 gill rakers on second gill arch; gill chamber and buccal cavity pale; and peritoneum black.

Distribution: Known from the type series collected in the Andaman Sea at depths of 295–350 m, and off the south western coast of India, Arabian Sea, at depth of 200–350 m.

Map of northern Indian Ocean showing area of collection of Chaunax multilepis

Identified by: Rajeesh Kumar M P

Publication: Hsuan-Ching HO, Rajeesh Kumar M.P. & Bineesh K. K. (2016) Chaunax multilepis sp. nov., a new species of Chaunax (Lophiiformes: Chaunacidae) from the northern Indian Ocean.  Zootaxa 4103 (2): 130–136.

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