Hydrolagus homonycteris Didier, 2008
Black ghostshark
Black ghost shark,  Little black ghost shark

Family:  Chimaeridae (Shortnose chimaeras or ratfishes)
Max. size:  108.5 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 866 - 1447 m
Distribution:  Southern Ocean: Australia and New Zealand.
Diagnosis:  This chimaeroid fish has a ventral caudal fin that that is not indented at its origin to form a separate anal fin, it is distinguished from its congeners by the following characters: color of the body an even dark black or blackish-brown; its dorsal fin spine is longer than height of first dorsal fin; pelvic fins is distinctly round in shape; males with pelvic claspers that are dark at the base with pale tips, divided for the distal 1/3 of their length (Ref. 76967).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 19 February 2015 Ref. (130435)
Threat to humans:  harmless
Country info:  Ranges from North Cape to the Chatham Rise and Puysegur (Ref. 89422). Known from deepwater commercial fishing grounds off New Zealand (e.g. Chatham Rise and Lord Howe Rise), but probably more widespread in deep waters around the country (Ref. 76967).


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