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New species Mystus ankutta


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#1 scotcat

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Posted 24 January 2009 - 04:55 PM

Pethiyagoda, R, A Silva and K Maduwage (2008) Mystus ankutta, a new catfish from Sri Lanka (Teleostei: Bagridae). Ichthyological Exploration of Freshwaters 19, pp. 233242.

Abstract:

Mystus ankutta, new species, is described from the lower reaches of rivers draining the south-western quarter of Sri Lanka. Sri Lanka. It is distinguished from all Peninsular Indian and Sri Lankan congeners by the combination of the It is distinguished from all Peninsular Indian and Sri Lankan congeners by the combination of the following characters: adipose fin height 6.5-7.5 % SL; adipose-fin commencing immediately posterior to dorsal-fin following characters: adipose fin height 6.5-7.5% SL; adipose-fin commencing immediately posterior to dorsal-fin base; stripes and marks absent on body except for a diffuse humeral blotch and a dark, sub-triangular hypural base; absent marks and stripes on body except for a diffuse humeral blotch and a dark, sub-triangular hypural blotch; eye diameter 18-23 % HL; depth of caudal peduncle 10.1-12.3 % SL; and length of caudal-fin upper lobe blotch; eye diameter 18-23% HL; depth of caudal peduncle 10.1-12.3% SL; and length of caudal fin-upper lobe 27.6-32.2 % SL. 27.6-32.2% SL.


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