ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): Okafor A.I., Ndukuba P.I., Etusim P.E., Onuabuchi I.A.

Email(s): Email ID Not Available

DOI: Not Available

Address: Okafor A.I., Ndukuba P.I., Etusim P.E., and Onuabuchi I.A.
Department of Animal and Environmental Biology, Abia State University, Uturu-Nigeria.
*Corresponding Author

Published In:   Volume - 7,      Issue - 1,     Year - 2014


ABSTRACT:
The tolerance limits of the African lungfish, Protopterus annectens (Owen) to sublethal dose of ‘Bonny light’ crude oil was investigated. P. annectens (mean length, 35.1 ± 2.3cm and mean weight, 287.4 ± 11.6g) procured from Oguta Lake in Imo State, Nigeria were subjected to crude oil of varied concentrations ranging from 0% (control) to 5.2%. All sizes of P.annectens (fingerlings, juveniles, adults) were able to tolerate a maximum of 2.0% concentration of “Bonny light” crude oil. It is suggested that P.annectens was able to tolerate this moderately high concentration of crude oil due to the possession of special “hydrocarbon secreting cells” along the gill epithelium which actively emit hydrocarbons from the blood into the surrounding water medium.


Cite this article:
Okafor A.I., Ndukuba P.I., Etusim P.E., Onuabuchi I.A.. Crude oil tolerance by the African lungfish, Protopterus annectens (Owen). Asian J. Research Chem 7(1): January 2014; Page 76-80.


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