Stress in fish is an immensely complex subject. There is a great deal of mystery surrounding the subject of stress in fish and for many their concept of stress is vague. Most of what we know about stress in fish comes from research targeted to commercial fisheries. Science has really just begun to scratch the surface of what appears to be an enormous field of study.
When people talk about stress, it is usually a dialogue about mental and emotional stress. However, stress has biochemical and physiological consequences. Stress causes an internal hormonal response that is remarkably similar in all vertebrate animals, including fish.
What then is stress, and is it easily defined? First, we must differentiate between a source of stress, which we will refer to as a stressor, and the body's internal reaction to it. A simple definition of a stressor in fish could be a stimulus that requires a physiological response by the animal in an attempt to adapt to that stimulus.
Stress in fish is an immensely complex subject. There is a great deal of mystery surrounding the subject of stress in fish and for many their concept of stress is vague. Most of what we know about stress in fish comes from research targeted to commercial fisheries. Science has really just begun to scratch the surface of what appears to be an enormous field of study.When people talk about stress, it is usually a dialogue about mental and emotional stress. However, stress has biochemical and physiological consequences. Stress causes an internal hormonal response that is remarkably similar in all vertebrate animals, including fish.What then is stress, and is it easily defined? First, we must differentiate between a source of stress, which we will refer to as a stressor, and the body's internal reaction to it. A simple definition of a stressor in fish could be a stimulus that requires a physiological response by the animal in an attempt to adapt to that stimulus.
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