There is a wonderful "soak" that removes any "fishiness" from any seafood product. In one gallon of water, mix one tablespoon salt, and one teaspoon baking soda. Cover the fish or seafood with it and refrigerate 6 hours to overnight. It's called "sweetening the catch", and restuarants have used this trick for years.
They usually cower away or fight back, also they let of a smell, rather fishy and it's because they are scared
they can smell their prey miles away.
Smell is one of the most primitive senses. The other senses include vision, hearing, taste and touch.
Fish should be slimy . Gills should be bright red. Eyes should bright and have a fresh fishy smell.
Fehling's solution must be freshly prepared because there is a tendency for it to oxidize if not used right away
Wolves have been known to smell objects as far away as 1.6 km. An object does not have to be far away for a wolf to smell it, though - they can smell something right next to their nose.
Sharks have sensory pits round their snout that are very sensitive to smell, even from a considerable distance away.
A Lioness can smell things from 30kms away.
a hyena can smell up to 15 metres away
Arteries and veins carry freshly-oxygenated blood away from the lungs.
Not right away. After a while, semen can take on a fishy odor, though.
The smell changes when we orgasm, that is normal. The vagina has a bit of a fishy smell normally (someone have said "smells like fish but taste like chicken") but it goes away. If it smells like rotten fish, she has it. BV you get from bacterias and it is related to pH levels, not orgasms. You can have your bacterias transfered during sex though and that way she can get it. But if she washes normally and don´t douche or wear tight damp clothes etc there should be no reason.