Open AccessSURVIVAL OF CAGE CULTURED BLACK DRUM, ATLANTIC CROAKER, AND STRIPED MULLET IN UPPER ESTUARINE WATER IN RELATION TO LIFE HISTORY STRATEGY
Author(s) -
Jones Fredrick V.,
Strawn Kirk
Publication year - 1984
Publication title -
journal of the world mariculture society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.655
H-Index - 60
eISSN - 1749-7345
pISSN - 0735-0147
DOI - 10.1111/j.1749-7345.1984.tb00158.x
Subject(s) - mugil , salinity , bay , estuary , mullet , fishery , cage , environmental science , temperature salinity diagrams , fish <actinopterygii> , biology , oceanography , ecology , geology , mathematics , combinatorics
Black drum ( Pogonias cromis ), Atlantic croaker ( Micropogonias undulatus ), and striped mullet ( Mugil cephalus ) were cage cultured in a cooling lake of a power plant near Baytown, Texas, from 1 September 1976 through 1 September 1978 and observations on the effects of water temperature and salinity on their survival are reported. The heated‐water system was typified by high variability of and rapid drops in salinity in the intake area which moderated as water was mixed during passage through the cooling lake. Temperature averaged 11.1°C higher in the discharge canal than in the intake area, but was only about 1–2°C higher in water discharged into Trinity Bay. Survival of fishes was low in the intake area and increased progressively through the cooling lake. The most important relationship relating to mortality was the temperature‐salinity‐size interaction. Immature fish were tolerant of low temperatures combined with rapidly dropping salinity whereas older sciaenids which would normally have migrated out of the system if not caged died.