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Hydrolagus affinis  (de Brito Capello, 1868)

Smalleyed rabbitfish
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Hydrolagus affinis   AquaMaps   Data sources: GBIF OBIS
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Image of Hydrolagus affinis (Smalleyed rabbitfish)
Hydrolagus affinis
Picture by Mouritsen, R.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Holocephali (chimaeras) > Chimaeriformes (Chimaeras) > Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: Greek, hydr = water + Greek, lagos = hare (Ref. 45335).

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 300 - 3000 m (Ref. 4443).   Deep-water, preferred ?; 55°N - 37°N

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northeast Atlantic: Rockall Trough along Ireland, northern Bay of Biscay and off Portugal. Reported from Iceland (Ref. 12462). Southwest Atlantic: Uruguay (Ref. 58839). Northwest Atlantic: Newfoundland in Canada to Cape Cod in USA. Probably has a much wider distribution. Possibly occurring off the Cape in South Africa and off Mozambique (Ref. 11228).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 130 cm TL male/unsexed; (Ref. 4443); 125.0 cm TL (female)

Short description Morphology | Morphometrics

Lacks a separate anal fin. Pectoral fin does not overlap pelvic fin. Short caudal filament. Dark brown in color (Ref. 6902).

Biology     Glossary (e.g. epibenthic)

Epibenthic (Ref. 58426). Found on continental slopes and down to deep-sea plains. Reported down up to 3000 m along the mid-Atlantic ridge (Ref. 83979, C.Cotton pers.comm. 03/10). Feeds on small fishes and invertebrates (Ref. 6680). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Hardy, G.S. and M. Stehmann, 1990. A new deep-water ghost shark, Hydrolagus pallidus n.sp. (Holocephali, Chimaeridae), from the eastern North Atlantic, and redescription of Hydrolagus affinis (Brito Capello, 1867). Arch. Fisch. Wiss. 40(3):229-248. (Ref. 3330)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest
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