Nudibranchs are members of the mollusk family. There are over 2,300 valid species in
the Pacific. Most have exposed, feathery gills and they usually have striking colors
that act as a warning to predators. They aren't fast but as a defense they often absorb
toxins from their food that makes them poisonous. There's a great variety in the
Philippines including the weird and wonderful Melibe, a large transparent creature
with lobes and a head that has a neck. Unlike most nudibranchs that "graze" this one
lunges at small fish and shrimp, using its extendable head to cover and trap prey.
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