Blue Planet II: Meet the fish which is so scared of water it lives in a cave

时间:2017-12-07 单词数:3790

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It is not easy being a fish when you are afraid of the water.


So spare a thought for the leaping blenny, which detests the sea so much, it chooses to live in miniature cave three feet above the tide-line in Guam, Micronesia, and scampers to higher ground when it notices even the smallest wave approaching.


The Pacific leaping blenny, which needs to frequently roll around in coastal puddles to stay wet, has been filmed for the first time by BBC’s Blue Planet II.


Introducing the nautically-challenged fish on this week’s episode, Coasts, Sir David Attenborough said: “One marine creature has virtually abandoned the sea altogether. On a few remote Pacific islands lives the most terrestrial fish on the planet.


“These Pacific Leaping Blenny seem afraid of the waves. They are poor swimmers and would be easy prey in the sea.”


Instead of finding food in the water, the blenny feeds on algae which grows on the cliff face.


To avoid being swept off the rocks, the little fish can leap far further than its three inches of body length. It attracts females by flashing an orange patch on its dorsal fin, eventually attracting a mate into its nest in the rock crevice, where she lays her eggs.


The episode has also caught sea lions working together to hunt tuna into a labyrinth of small bays in the Galapagos Islands, footage which proves for the first time that the creatures are able to cooperate and plan.


Land crabs are also filmed leaping from rock to rock, desperately trying to avoid Moray eels and octopuses in the water, while penguins are seen tentatively walking through colonies of elephant seals to reach their young.


Mark Brownlow, Series Producer, said: “In the last of our habitat-based episodes we visit our coasts.


“They may be our window to the oceans, where we go for rest and relaxation, but the creatures that live here have to go through incredible hardships to survive in this divide between land and sea.


“From sea lions that drive massive tuna onto dry land to heroic puffins struggling to feed their young.This episode is going to be extraordinary because we’ve got so many new, incredible stories.”