Fish and other aquatic animals are subject to a broad variety of stressors because their homeostatic mechanisms are highly dependent on prevailing conditions in their immediate surroundings. Common stressors encountered by captive fish include physical and mental trauma associated with capture, transport, handling, and crowding; malnutrition; variations in water temperature, oxygen, and salinity; and peripheral effects of contaminant exposure or infectious disease. Ambiguity exists in part because the word can be used to indicate one of three different components of what is essentially a cause and effect relationship: (1) a physical or mental stimulus, (2) an individual’s physical or mental awareness of that stimulus, or (3) the individual’s physical or behavioral response to the stimulus. The fishes can be tolerated to stress in Poecilia
sphenops for 2 days, Puntigrus tetrazona for 4 days, Danio rerio for 3 days, Poecilia reticulata
for 5 days, Betta splendens 6 days.
Article Details
Unique Paper ID: 156182
Publication Volume & Issue: Volume 9, Issue 2
Page(s): 1125 - 1127
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