TY - JOUR T1 - Mortality of Hybrid Catfish (Clarias gariepinus x Heterobranchus bidorsalis) Fingerlings at Varying Salinity Levels AU - Gbulubo, Awotongha J. AU - Nwadukwe, Francis O. AU - Gabriel, Uwgemorabong U. JO - Journal of Fisheries International VL - 6 IS - 4 SP - 71 EP - 74 PY - 2011 DA - 2001/08/19 SN - 1817-3381 DO - jfish.2011.71.74 UR - https://makhillpublications.co/view-article.php?doi=jfish.2011.71.74 KW - Nigeria KW -fingerlings KW - hybrid KW -catfish breeding KW -salinity concentration KW -Mortality AB - About 100% mortality was recorded in hybrid catfish fingerlings that were exposed to 10 and 12 ppt at the 3rd and 12th h, respectively. Those in 6 and 8 ppt had 90 and 25% survival, respectively at the end of 96 h. Median Lethal Salinity (MLS96) for 10 ppt was 5.55 h. The cumulative mortality at the various salinity concentrations did not differ in 4 and 6 ppt but differed in 8, 10 and 12 not differ from 12-48 h and between 72 and 96 h (p>0.05). Water temperature values ranged from 26.0°C, dissolved oxygen ranged from 5.2 mg c-1 to 6.8 mg L-1 while pH ranged from 5.2-6.6. ER -