Selection: Polybranchia orientalis

Polybranchia orientalis (Kelaart, 1858)

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Polybranchia orientalis has large flattened leaf-like 'cerata' which are easily cast-off if the animal is disturbed. It is a relatively common member of the Caliphyllidae in the Philippines, but because of its camouflage seldom seen. The same specimen on my hand and in situ.
More informations on Polybranchia orientalis are at Bill Rudman's Sea-Slug Forum!