A team of researchers from Kumamoto University has identified a new species of sea anemone found on the deep seabed off the coast of Japan, according to a study published Wednesday in the British Royal Society's journal Open Science.

The sea anemone attaches itself to the shell of a specific species of hermit crab.

The researchers noted that the two species have a mutualistic relationship: the sea anemone's secretions help strengthen the shell, supporting the hermit crab's growth, while the anemone feeds on the crab's feces.

The new species has been named Paracalliactis tsukisome, inspired by "tsukisome," a pale pink color mentioned in a poem from the Manyoshu, the oldest Japanese anthology of waka poetry.