Specieswatch: efforts are being made to protect the Arctic char in Britain

Some 10,000 younger char have been launched into Kielder Water with the intention of saving this historic fish, an vital relic of our previous

The Arctic char, Salvelinus alpinus, is a exceptional survivor from the ice age in Britain, having been trapped in varied lakes and Scottish lochs for 10,000 years. Because of this, if you happen to handle to catch one, the fish could look significantly completely different from these in different lakes, as a result of they’ve had many generations to evolve to outlive in native circumstances after being reduce off from the oceans when the ice retreated.

Some scientists went to the difficulty of designating every of those populations of Arctic char as separate species due to these completely different traits, however this concept has usually been dropped as too troublesome, not least as a result of there are dozens of cut-off populations, some but to be described.

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