ABSTRACT: Six sampling sites of Gilgel Abay River and its tributaries, were sampled by using monofilaments (5-55 mm) and gillnets having mesh sizes of 6, 8, 10, 12 and 14 cm stretched bar mesh with a length of 25 m and depth of 1.5 m, twice each month from August to October, and once in November, 2011. Fishes were identified to the species level…

Tags: Abay basin, Condition factor, Conservation, Fecundity, Lake Tana

ABSTRACT: Gillnet selectivity parameters and its impacts on the population of the Lake Tana Labeobarbus megastoma, were estimated from fishery-independent catches in multi-panel gillnets with stretched mesh sizes ranging from 60 to 140 mm. Selectivity on L. megastoma was assessed using the PASGEAR software…

Tags: Bi-modal, Labeobarbus, Lake Tana, Selectivity