Abyssobrotula hadropercularis is a species of cusk eel in the family Ophidiidae.
The word '<nowiki/>Abyssobrotula<nowiki/>' comes from '<nowiki/>abyssos<nowiki/>', which means 'deep' or 'depth' in Greek, and '<nowiki/>brotula<nowiki/>', which means 'little bud' or 'shoot' in Latin. The word '<nowiki/>hadropercularis<nowiki/>' comes from 'hadros' meaning bulky, and 'opercularis', meaning gill cover, in reference to the robust opercle.
This species is found in the Kuril-Kamchatka Trench, Northwest Pacific Ocean.
Maximum length of male or unsexed Abyssobrotula hadropercularis is and female is . The gill rakers on anterior arch are robust and close-set. The opercular spines are strongly developed. This species has 14âÂÂ15 pectoral-fin rays.
It is bathypelagic, subtropical fish. Its depth range is .