Article: A New Species of Mystus from Myanmar (Siluriformes: Bagridae)

Mystus cineraceus, new species, is described from the Irrawaddy River drainage in northern Myanmar. It is distinguished from congeners in having a unique combination of a long-based adipose fin (40.9-45.9% SL) that contacts the base of the last dorsal-fin ray anteriorly, a color pattern consisting of a uniform brownish-gray body with a diffuse dark midlateral line and a diffusely dark tympanic region (very indistinct in some individuals), 13-15 rakers on the first gill arch, dorsal-fin spine length 10.9-13.4% SL, body depth at anus 20.7-23.4% SL, head length 24.1-27.2% SL, maxillary barbel reaching to middle of anal-fin base (247.4-345.0% HL), absence of a black spot at the base of the ...

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