2003-04-30
... ? BBC NEWS | Science/Nature | Fish do feel pain, scientists sayThe first conclusive evidence of pain perception in fish is said to have been found by UK scientists. Fish have pain receptors like us This complements earlier findings that both birds and mammals can feel pain, and challenges assertions that fish are impervious to it. The scientists found sites in the heads of rainbow trout that responded to damaging stimuli. They also found the fish showed marked reactions when exposed to harmful substances.
