Persian carpet flatworm; Bedford's flatworm
Scientific name Pseudobiceros bedfordi; a marine flatworm species. The katakana name is the standard Japanese designation.
The Persian carpet flatworm is known for its vivid coloration.
Kanji spelling is rare and mainly used in taxonomic contexts; the katakana form is strongly preferred.
A compound of 南海 “southern seas” and ニセツノヒラムシ “false-horn flatworm,” the latter named for the pseudotentacles formed from folds of the body margin.