Harriotta chaetirhamphus (Tanaka, 1909)

Family:  Rhinochimaeridae (Longnose chimaeras)
Max. size:  67 cm TL (male/unsexed); 95.1 cm TL (female)
Environment:  bathydemersal; marine; depth range 906 - 1654 m
Distribution:  Northwestern Pacific: Japan.
Diagnosis:  This species is distinguished by the following characters: eye with its length 7-9% BDL; interorbital space 6-9% BDL; snout tip armed with small knob-like projections, only prominent in male; length of dorsal spine anterior margin 19-24% BDL; pectoral and pelvic fins bluntly pointed; interdorsal space broad 24.8-26.8% BDL; length of caudal dorsal margin (CDM) shorter than caudal ventral margin, CDM 49-62% BDL; length of caudal upper ray (CUR) shorter than that of lower ray, CUR 4-5% BDL; infraorbital canal strongly curved anterior to eye, gently curved; claspers with its outer length 16% BDL and its base width 1% BDL; tip of the clasper a small bulb, with several simple spines sparsely distributed; the slit running longitudinally from dorsolateral base of rod to the ventromesial surface of the knob, running along the dorsal side of the clasper is not prominent (Ref. 123553).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless

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