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why are tropical fish more colourful than those in temperate waters

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asked Oct 22, 2014 in Fish Breeds by anonymous

1 Answer

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It could be because tropical waters - reefs, corals, rocks , sand - are more colorful and the fish need to blend in to avoid predators. It could simply be a matter of camoflage. Colder waters have lower visibility and offer more protection to prey fish.
answered Oct 23, 2014 by (36,420 points)