One result is that the coral gets worn down and surrounded by numerous old, broken shells, which will give future scientists clues for finding other sites like Percy’s. The castle has a hardened spot on its inner rim that Percy targets over and over again with the clam, chipping away at the shell until it finally falls apart. But these molluscs are too tough for Percy’s teeth to crush, so instead she goes on a second journey, heading for a specific coral group that the producers called the ‘castle’. She then grabs the shell with her protruding front teeth, at which point most predators would simply eat their captured prey. She starts this process by searching out across the coral beds and sand flats for buried clams, which she discovers by blowing away the covering sand. In any case, Percy’s particular claim to fame is her ability to open clams by throwing and striking them against hard coral, breaking them apart. This sex-change operation was shown in the same episode for one of Percy’s wrasse relatives, the kobudai of Japan. Granted, she was female at time of filming the series-opening episode One Ocean, but larger females of her species are known to change sex when it would give them an evolutionary advantage.
And it’s not entirely clear that she’s a female fish either. More precisely, she’s an orange-dotted tuskfish ( Choerodon anchorago also known as an anchor tuskfish) living in the warm waters of Australia’s Great Barrier Reef. Unlike most contributors, however, and despite a somewhat wonky grin, Percy gets to spend time in front of the camera.
#Who narrates blue planet 2 series
Just like thousands of other hard-working individuals, she put considerable time and effort into ensuring that Blue Planet II - the new BBC series that started on 29 October – is the most extraordinary window into the life of our planet’s oceans that anyone has ever seen.
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