Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Holocephali (chimaeras) > Chimaeriformes
(Chimaeras) > Rhinochimaeridae
Etymology: Harriotta: [an]a- (L.), belonging to: per Goode & Bean (1896), in honor of Thomas Harriott (ca. 1560‒1621), English astronomer, mathematician, ethnographer and translator, who published the first English work on American natural history (1588). (See ETYFish); chaetirhamphus: Specific epithet indeclinable according to ECofF..
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 906 - 1654 m (Ref. 123553). Temperate
Northwestern Pacific: Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 67.0 cm TL male/unsexed; (Ref. 123553); 95.1 cm TL (female)
Morphology | Morphometrics
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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nakayama, N., M. Matsunuma and H. Endo, 2019. A preliminary review and in situ observations of the spookfish genus Harriotta (Holocephali: Rhinochimaeridae). Ichthyol. Res. 67(1):82-91. (Ref. 123553)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion