noun
Fowler's snake eel
A species of snake eel (Ophichthus erabo) found in the Indo-Pacific. The Japanese name is usually written in katakana.
モンガラドオシはウミヘビの仲間で、砂地に潜る習性がある。
The Fowler's snake eel is a type of snake eel and has a habit of burrowing into sandy bottoms.
The name モンガラドオシ likely derives from 紋殻 (mongara, referring to triggerfish) and 通し (dōshi, 'passing through'), but the exact origin is uncertain. The kanji 紋殻通 are ateji.