Do fish feel pain?
Yes. Fish feel pain. They do not feel pain like human but they do feel it. Because their nervous system is different from the human nervous system.
In 2003, researchers at the Roslin Institute near Edinburgh discovered sensory nerves in bonyy fish. Like birds and mammals, the bony fish detect pain and connect their skin and other parts of the body to the brain.
The same team also find that, when mild acid or bee stings injected in the lips of rainbow trout, rainbow trout shook their heads and rubbed their lips into the fish tank. When they give painkillers, the trout behaved normally again.
Many other studies reveal characteristics of fish suffering, where some salmon secreting high levels of the stress hormone cortisol. In that time, they stop feeding and show signs of depression.
Finally, all living things in the world feel pain. Everyone feels pain differently from others. So, we must respect the feelings of others and not intentionally hurt others.
- Salmon live in fresh and salt water
- After living for many years at sea, Salmon return to the river where they were born and raised
- Salmon have three different colours throughout their lives
- More than 28,000 bony fish have been documented
- Rainbow trout also called as steelhead
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