Fig. 4
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Specimens of Barbatula spp in lateral view. A: Barbatula hispanica alive specimen from the stream Cadagua (Nervión drainage) (scale bar = 1 cm; photo credits: I. Doadrio); B: Barbatula hispanica MGAB400.151, 51.9 mm SL, Ibaizabal at Durango (Nervión drainage), 24th October 1949, Calderon coll.; C: Barbatula hispanica MNCN_ICHTYO 278716-278735, 70.9 mm SL, Ugarana at Dantxarinea (Nivelle drainage), 11th October 2009, Doadrio, Garzón, Pedraza and Ornelas coll.
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