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Hypothermal mortality in marine fishes of south-central Florida, January, 1977
Gilmore Jr., R.G.; Bullock, L.H.; Berry, F.H. (1978). Hypothermal mortality in marine fishes of south-central Florida, January, 1977. Gulf of Mexico Science 2(2): 77-97
In: Gulf of Mexico Science. Marine Environmental Science Consortium of Alabama: Dauphin Island, AL. ISSN 1087-688X, more
Peer reviewed article  

Available in Authors 

Keywords
    Fish kill; Hypothermia; Marine fish; Mortality causes; Temperature tolerance; Marine; Brackish water

Authors  Top 
  • Gilmore Jr., R.G.
  • Bullock, L.H.
  • Berry, F.H.

Abstract
    Comparable climatic conditions on both coasts of central Florida resulted in cold induced fish mortalities from 19 January to 13 February 1977. Lethal temperatures, the species killed and their relative numbers killed are compared for the Indian River lagoon, Tampa Bay and Sanibel Island estuarine systems. Fifty-six species were killed in the Indian River area, 36 in the Tampa Bay area, while 19 died at Sanibel Island. The higher species mortality in the Indian River lagoon may be atributed to local hydrological and topographical conditions and a richer ichthyofauna. Cold-induced mortality was noted in both juvenile and adult tropical fishes. Some tropical species appear to be more eurythermic than others as lethal minimum temperatures ranged from 6 to 13 C. Hypothermal stress and mortality were observed in offshore reef fishes.

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