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The ability of the cichlid fishes Tilapia rendatti Boulenger, Tilapia sparrmanii A. Smith and Hemihaplochromis (=Pseudocrenilabrus) philander (M. Weber) to enter deep water
Author(s) -
Caulton Mark S.
Publication year - 1975
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.1975.tb04626.x
Subject(s) - cichlid , tilapia , biology , fishery , zoology , fish <actinopterygii>
It was shown experimentally that at 22°C, adult Tilapia rendalli can descend to a maximum compensation depth of 8.5 m and that Tilapia sparrmanni penetrate to a maximum depth of 15m. Adult Hemihaplochromis philander males can descend to 16m, and females to 26m at 22°C. At 30°C, the rate at which‐pressure compensation occurred and the maximum depth reached was increased. Fry and juveniles were able to penetrate to greater depths and to descend more rapidly than adults.