Matanui bathytaton (Hardy, 1989)
Chatham deep-water triplefin
Chatham deepwater triplefin

Family:  Tripterygiidae (Triplefin blennies), subfamily: Tripterygiinae
Max. size:  9.36 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 80 - 550 m
Distribution:  Southwest Pacific: Widely distributed in New Zealand.
Diagnosis:   
Biology:  Juveniles are found in shallow waters (12-80 m) then migrate into deeper waters as they mature (Ref. 13227). Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites (Ref. 240). Larvae are planktonic which occur primarily in shallow, nearshore waters (Ref. 94114).
IUCN Red List Status: Least Concern (LC); Date assessed: 06 May 2010 Ref. (130435)
Threat to humans:  harmless
Country info:  Occurs in Otago in the mainland, Chatham Rise (Mernoo Bank), Chatham Islands (Pitt Island), Campbell Plateau (Pukaki Rise), Auckland Islands, and Antipodes Islands. Also Ref. 45493.


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