Found living within the alimentary canals of e.g. sea cucumbers or between the shells of pearl oysters in or near shallow seagrass beds.
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