stress tolerance of ornamental fishes

stress tolerance of ornamental fishes
Author(s):
Dr.C.Mercy, P. SELVA PRABHA
Keywords:
Aquarium tank, Ornamental fish, Stress tolerance
Abstract
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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