2006-12-16 02:15:07 · 8 answers · asked by paul b 1 in Science & Mathematics ➔ Biology
ever heard of fish oil well there it is put into use.
oil is water proof
2006-12-16 02:25:47 · answer #1 · answered by dislexic1yen 3 · 0⤊ 0⤋
Because they use Garnier Wrinkle lift. Just joking. The question here scientifically is why don't fish lose or gain excess of water when living in sea (hypertonic) or pond(hypotonic) water respectively. I hope you know about osmosis and diffusion. The fishes in sea make their body fluids hypertonic as compared to the surrounding water and thus prevent water loss and wrinkles and opposite to it the pond fishes keep on losing water regularily so as to prevent excessive intake of water(which happens when we dip our hand in water for long). Both of them also have scales impermeable to water and also a fat deposition beneath. This helps them to maintain the body composition.
2006-12-16 02:30:18 · answer #2 · answered by smarteen2005 2 · 1⤊ 0⤋
They don't have skin like ours, their's is covered in small smooth plates called scales (or horny denticles if they are sharks or rays), our skin isn't designed to linger in water and doesn't need scales or denticles.
2006-12-16 09:47:28 · answer #3 · answered by Rotifer 5 · 0⤊ 0⤋
Cos there water proof.
2006-12-16 02:23:10 · answer #4 · answered by ? 4 · 0⤊ 0⤋
Do you want to be hunted down by the plastic surgeons' Mafia?
Don't ask! In the name of the Godfather, DON'T ASK!!
2006-12-16 03:32:00 · answer #5 · answered by cymry3jones 7 · 0⤊ 1⤋
their are covered with scales which are hard aand therefor fiish do not go wrinkly
2006-12-16 05:12:35 · answer #6 · answered by Me!! 2 · 0⤊ 0⤋
they have scales to protect them :D
2006-12-16 02:21:31 · answer #7 · answered by pigley 4 · 1⤊ 0⤋
Because they don't have skin...
2006-12-16 02:16:27 · answer #8 · answered by smellyfoot ™ 7 · 0⤊ 0⤋