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Narcine baliensis, a new species of electric ray from southeast Asia (Chondrichthyes: Torpediniformes)

journal contribution
posted on 2023-05-19, 07:48 authored by De Carvalho, MR, White, WT
A new species of numbfish, Narcine baliensis, sp. nov., is described from the tropical eastern Indian Ocean from Indonesia. It is superficially similar to N. brevilabiata and N. atzi in aspects of its color pattern, but is distinguished from both congeners in details of its color pattern, in tooth band morphology, and in proportions of its dorsal fins, among other features. Narcine baliensis, sp. nov., is unique in having a dorsal color pattern composed of large, circular, ovoid or elongate dark brown spots or blotches on dorsal disc along with more numerous small (about eye-sized or slightly greater) brownish, subcircular spots, with large blotches and small spots surrounded by a very slender creamy-white pattern, as well as in having broadly circular upper and lower tooth bands of about the same width and shape. The genus Narcine is now composed of 20 valid species, but uncertainty remains concerning the identification and morphological variation of some of its species in the tropical Indo-West Pacific region.

History

Publication title

Zootaxa

Volume

4127

Pagination

149-160

ISSN

1175-5326

Department/School

Institute for Marine and Antarctic Studies

Publisher

Magnolia Press

Place of publication

New Zealand

Rights statement

Copyright 2016 Magnolia Press

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the biological sciences

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