Found living within the alimentary canals of e.g. sea cucumbers or between the shells of pearl oysters in or near shallow seagrass beds.
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1The pearlfish has to swim up sea cucumber butts to escape predation.
2Beautiful, really, though I reckon the pearlfish would beg to differ.
3Such pearlfishes come in a range of species, and don't necessarily limit themselves to invading sea cucumbers.
Translations for pearlfish