Coryphaenoides filifer  (Gilbert, 1896)

Filamented rattail
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Coryphaenoides filifer   AquaMaps   Data sources: GBIF OBIS
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Image of Coryphaenoides filifer (Filamented rattail)
Coryphaenoides filifer
Picture by Canadian Museum of Nature, Ottawa, Canada

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

Actinopterygii (ray-finned fishes) > Gadiformes (Cods) > Macrouridae (Grenadiers or rattails) > Macrourinae
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335).

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 1285 - 2904 m (Ref. 10941).   Deep-water; 66°N - 32°N

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 55.0 cm TL male/unsexed; (Ref. 6885)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Anal spines: 0. 2nd spine of 1st dorsal fin very long and slender, terminating in a long filament, smooth near base but outer half strongly toothed; 1st dorsal with 12 to 14 soft rays, ray count of 2nd dorsal unknown; caudal fin very narrow; anal rays numerous, long and low; pectorals long and slender; outside rays of pelvic fins very long and filamentous (Ref. 6885). Dark brown in color; black on fins, nostrils, ventral surfaces of snout, lips and gill membranes (Ref. 6885). Branchiostegal rays: 6 (Ref. 36385).

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

North Pacific: Sea of Okhotsk to Alaska and southern California, USA.

Biology     Glossary (e.g. epibenthic)

Bathybenthic (Ref. 36385). Oviparous, with planktonic larvae (Ref. 36385).

Main reference Upload your references | References | Coordinator : Iwamoto, Tomio | Collaborators

Endo, H., D. Tsutsui and K. Amaoka, 1994. Range extensions of two deep-sea macrourids Coryphaenoides filifer and Squalogadus modificatus to the Sea of Okhotsk. Jap. J. Ichthyol. 41(3):330-333.

IUCN Red List Status (Ref. 90363)

  Not Evaluated 

Threat to humans

  Harmless




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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00230 (-0.15803 - 0.16263), b=3.17 (3.08 - 3.27), based on LWR estimates for this family-BS (Ref. 93245).
Trophic Level (Ref. 69278):  4.5   ±0.37 se; Based on food items.
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100) .
Price category (Ref. 80766):   Medium.