Hymenocephalus maculicaudus McMillan & Iwamoto, 2014
Spottytail membranehead

Family:  Macrouridae (Grenadiers or rattails)
Max. size:  16.3 cm TL (male/unsexed)
Environment:  benthopelagic; marine
Distribution:  Southwest Pacific: Tasman Sea including southern Lord Howe Rise, southern Norfolk Ridge, and northern New Zealand.
Diagnosis:  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).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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