Sphyrna couardi, Whitefin hammerhead : fisheries

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Sphyrna couardi Cadenat, 1951

Whitefin hammerhead
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Native range | All suitable habitat | Point map | Year 2050
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Sphyrna couardi   AquaMaps   Data sources: GBIF OBIS
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Image of Sphyrna couardi (Whitefin hammerhead)
Sphyrna couardi
Picture by FAO

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Carcharhiniformes (Ground sharks) > Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
Etymology: Sphyrna: Probable misspelling of sphyra (Gr.), hammer, referring to their hammer-shaped heads. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Ekologi

marina bentopelagisk. Tropical; 17°N - 5°S, 19°W - 13°E

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Eastern Atlantic: Senegal to Congo. Not in Compagno's 1999 checklist (Ref. 35766).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 300 cm TL hane/ej könsbestämd; (Ref. 244)

Biologi     Ordlista (t.ex. epibenthic)

A coastal-pelagic shark. Feeds on fishes, especially bony fishes, and also benthic and epibenthic cephalopods. Viviparous, with 24 to 28 young in a litter. Size at birth about 30 to 32 cm.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Viviparous, placental (Ref. 50449).

Main reference Upload your references | referenser | Koordinator : Compagno, Leonard J.V. | Medarbetare

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Traumatogenic





Human uses

Fiskeri: husbehovsfiske
FAO - Publication: search | FishSource |

Ytterligare information

Länder
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synonymer
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Length-weight
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Otoliths
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Verktyg

E-book | Fälthandbok | Längdfördelnings-verktyg | Livshistorie-verktyg | Prickkarta | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Populärnamn | Photos

Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 24.4 - 28, mean 26.7 °C (based on 64 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5029   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00157 - 0.00767), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  4.5   ±0.54 se; based on food items.
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec=24).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
Price category (Ref. 80766):   High.