Journal of Aquatic Sciences

The AJOL site is currently undergoing a major upgrade, and there will temporarily be some restrictions to the available functionality.
-- Users will not be able to register or log in during this period.
-- Full text (PDF) downloads of Open Access journal articles will be available as always.
-- Full text (PDF) downloads of subscription based journal articles will NOT be available
We apologise for any inconvenience caused. Please check back soon, as we will revert to usual policy as soon as possible.

DOWNLOAD FULL TEXT Open Access  DOWNLOAD FULL TEXT Subscription or Fee Access

Non-Cichlid Fish Communities of Warri River at Agbarho Niger Delta Area, Nigeria

E Ogidiaka, MC Asagbra, FO Arimoro, AO Edegbene


Studies on the composition of non-cichlid species in Warri River at Agbarho in The Niger Delta Area of Southern Nigeria were conducted between April and September 2005. A total of 26 species belonging to 16 families and 21 genera were encountered. Characidae, Morymyridae and Mochokidae were the most abundant fish families. Synodontis courteti, Synodontis sorex and Brycinus longipinnis were captured throughout the sampling period. The general diversity Index (H) shows that 0.926 was the highest and occurred in the month of August and the lowest (0.636) occurred in the month of May. The reverse was noticed in Evenness Index (E1) as the month of May had the highest value of 0.904 and August, the lowest (0.269). It can be inferred that the poor fauna composition, abundance and diversity of fish community structure of Warri River at Agbarho might be as a result of the exclusion of the cichlid species in the course of this research.

Keywords: Non-cichlids, Characidae, Morymyridae, Mochokidae, species diversity

Journal of Aquatic Sciences 28 (1): 17-23 (2013)

Full Text:

No subscription journal articles available during site upgrade.

AJOL African Journals Online