Acute Toxicity of Water Extracts of Barks of Yellow Oleander, Thevetia peruviana (Persoon), and Neem Plant, Azadirachta indica (Lodd) to Mormyrids, Hyperopisus bebe occidentalis (Gunther)

References

• APHA, AWWA, and WPCE (American Public Health Association, American Water Works Association and Water Pollution Control Federation) . 1989 . Standard Method for the Examination of Waste Water , 17th Edition , Washington, DC : APHA .
   Google Scholar
• Bagnar , J. T. and Hadley , M. E. 1973 . Chromatophores and Color Change , Englewood Cliffs, New Jersey : Prentice-Hall .
   Google Scholar
• De Silva , C. D. and Ranasinghe , J. 1989 . Toxicity of four commonly used agrochemi-cals on O. niloticus . Asian Fisheries Science , 2 : 135 – 145 .
   Google Scholar
• Duncan , D. B. 1955 . Multiple range and multiple F-tests . Biometric , 11 : 1 – 42 .
   Web of Science ®Google Scholar
• Fujii , R. and Novales , R. R. 1969 . Cellular aspects of the control of physiological color molluscidal activity . American Zoology , 9 : 453 – 463 .
   PubMedGoogle Scholar
• Kela , S. L. , Ogunusi , R. A. , Gobogu , V. C. and Nwude , N. 1989 . Screening of some plants for molluscidal activity . Medical Veterinary and Physiological Science in the Tropics , 42 : 195 – 202 .
   Google Scholar
• Kulshrestha , S. K. and Arora , N. 1984 . Effect of sublethal doses of carbaryl and Endosulfan on the skin of Channa striatus (BL) . Journal of Environmental Biology , 5 : 141 – 143 .
   Google Scholar
• Lemma , A. and Yau , P. 1974 . Studies on the moluscidal properties of Phytolacca decandra . Ethiopian Medical Journal , 13 : 115 – 124 .
   Google Scholar
• Novales , R. R. 1958 . The effects of osmotic pressure and sodium concentrations on the response of melanophares to intermedin . Physiological Zoology , 32 : 15 – 28 .
   Google Scholar
• O'Brien , R. D. , Hethnarski , R. T. and Hart , G. J. 1974 . Recent Studies on Acetylchol-inesterase Inhibition by Pesticide Action , New York, New York : American Chemical Society .
   Google Scholar
• Oji , O. , Madubuike , F. N. , Ojimelukwe , P. C. and Ibeh , C. M. 1994 . Rodenticide potential of Thevetia Peruviana . Journal of Herbs, Spices, & Medicinal Plants , 2 ( 3 ) : 3 – 10 .
   Google Scholar
• Onusiriuka , B. C. and Ufodike , E. B. C. 1994 . Acute toxicity of water extracts of sausage plant, Kigelia africana and Akee apple, Blighia sapida on African catfish, Clarias gariepinus (TEUGALS) . Journal of Aquatic Sciences , 9 : 35 – 41 .
   Google Scholar
• Oti , E. E. 1999 . Fishing in the Cross River Basin , Aquatic Science Society of Nigeria .
   Google Scholar
• Oti , E. E. and Ofojekwu , P. C. 1997 . Studies on the incorporation of spices of Zingiber officinale (ginger root) and Capsicum frutescens (chillies) in diets for African catfish. Clarias gariepinus fingerlings . Journal of Agricultural Technology , 4 ( 1 ) : 41 – 47 .
   Google Scholar
• Parker , G. H. 1948 . Animal colour changes and their neurohormones . Environment and Ecology , 2 ( 4 ) : 248 – 250 .
   Google Scholar
• Reed , W. , Burchard , J. , Hopson , A. J. , Jannese , J. and Yaro , I. 1969 . Fish and Fisheries of Nigeria , Zaria, Nigeria : Gaskiya Corporation Ltd. .
   Google Scholar
• Sprague , J. B. 1973 . “ The ABC's of pollution bioassay using fish ” . In Biological Methods for the Assessment of Water Quality ed , Edited by: Cairus , J. and Dickson , K. L. 6 – 30 . Philadelphia. Pennsylvania : American Society for Testing and Material .
   Google Scholar
• Ufodike , E. B. C. and Omoregie , E. 1994 . Acute toxicity of water extracts of barks of Balanities aegyptiaca and kigelia africana to Oreochromis niloticus (L.) . Aquaculture and Fisheries Management , 25 : 873 – 879 .
   Google Scholar
• Waring , H. 1963 . Color Change Mechanisms of Cold-Blooded Vertebrates , New York, New York : Academic Press .
   Google Scholar
• Warren , C. E. 1977 . Biology of Water Pollution Control , Philadelphia, Pennsylvania : W. B. Saunders and Co. .
   Google Scholar