Hymenocephalus maculicaudus McMillan & Iwamoto 2014

This species is distinguished by the following characters: pelvic fin rays 8 (rarely 7 or 9), gill rakers on first arch (outer/inner) 10-16/16-20; chin barbel length 7-16 % HL; orbit diameter 33-48 % HL; snout length 20-28 % HL; orbit to preopercular length 34-45 % HL; scattered melanophores ventrally on trunk and distinctive mid-lateral line of melanophores on tail that extends about a head length posterior to anal fin origin (Ref. 97189).

斑尾膜首鱈，為輻鰭魚綱鱈形目鼠尾鱈科的其中一種，分布於西南太平洋塔斯曼海、紐西蘭海域，屬深海底棲性魚類，深度274-2081公尺，體長可達16.3公分，棲息在底層水域，生活習性不明。