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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 ...
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 ...