Heteronarce rierai, a new narkid ray from Mozambique, western Indian Ocean.

概要

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<I>Heteronarce rierai</I> sp.nov. is described on the basis of six specimens, one male and five females, caught in the waters off Mozambique (western Indian Ocean). Total lengths range from 257 to 296mm . The new species is distinguished from the three other species of the genus <I>Heteronarce</I> by its narrower disc width (29.6% of TL in male, and 33.0 to 39.2% of TL in females), shorter disc length (32.7% of TL in male, and 34.4 to 40.6% of TL in females), and its longer interdorsal distance (10.1 to 11.7% of TL).
日本魚類学会の論文