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Urea excretion as a strategy for survival in a fish living in a very alkaline environment.
(Nature Publishing Group, 1989-01)
Ammonia is toxic to all vertebrates. It can be converted to the less toxic urea, but this is a metabolically expensive process found only in terrestrial vertebrates that cannot readily excrete ammonia and marine fish that ...
Organochlorine residues in fish from Lake Victoria, Kenya
(University of Nairobi., 1990-09)
Eighty-two samples of either nile perch fish fat or muscle were collected from the Kenyan region of Lake Victoria for detection of organochlorine residues. Nine organochlorine residues were detected in the following ...
A fish in extreme alkalinity.
(1975-07)
Tilapia grahami (Boulenger), a small cichlid fish, inhabits extremely alkaline water where the total CO2 concentration exceeds 200 meq.L(-1), osmolality is about 600 mosm.L(-1), pH ranges between 9.6 and 10.5 and temperature ...
The morphology of the lung of the African lungfish, Protopterus aethiopicus
(Springer-Verlag, 1987)
The lung of the African lungfish (Protopterus aethiopicus) is paired, long and cylindrical. It is situated on the dorsal aspect of the coelomic cavity ventral to the ribs. Much of the gas exchange tissue is found in the ...
Organochlorine Pesticide Residues in Fish from Lake Naivasha and Tana River, Kenya
(1992)
Organochlorine pesticides such as DDT, dieldrin and lindane are pesticides used in agriculture and public health. The chemicals persist in the environment and accumulate in fatty tissues of living organisms. Toxicity of ...
Market fish hygiene in Kenya
(Cambridge University Press, 1982)
Vibrio parahaemolyticus was isolated from 53 out of 584 samples (9·1%) of market fish. All strains were Kanagawa negative and were distributed as follows: sea fish 5 out of 370 samples (1·4%), shellfish 48 out of 214 samples ...