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
This map was computer-generated and has not yet been reviewed.
Sphyrna couardi   AquaMaps   Data sources: GBIF OBIS
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Image of Sphyrna couardi (Whitefin hammerhead)
Sphyrna couardi
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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

Élasmobranches (requins et raies) (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).
Eponymy: Monsieur Couard was Director of shark fisheries off the coast of Senegal, the type locality. Unfortunately we can find nothing more about him. (Ref. 128868), visit book page.

Issue
Junior synonym of Sphyrna lewini (Griffith & Smith 1834) in Ref. 94083,106604. This page will be deleted.

Environment: milieu / climate zone / profondeur / distribution range Écologie

marin benthopélagique. Tropical; 17°N - 5°S, 19°W - 13°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

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

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 300 cm TL mâle / non sexé; (Ref. 244)

Biologie     Glossaire (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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Viviparous, placental (Ref. 50449).

Référence principale Upload your references | Références | Coordinateur : Compagno, Leonard J.V. | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Traumatogenic





Utilisations par l'homme

Pêcheries: pêcheries vivrières
FAO - Publication: search | FishSource |

Plus d'informations

Écologie trophique
Food items (preys)
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Écologie
Écologie
Home ranges
Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance
Life cycle
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires
Distribution
Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
BRUVS - Videos
Anatomy
Surface branchiale
Brain
Otolith
Physiology
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Consommation d'oxygène
Type de nage
Vitesse de nage
Visual pigments
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Diseases & Parasites
Toxicity (LC50s)
Génétique
génôme
Génétique
Heterozygosity
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Profils d'aquaculture
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Ciguatera cases
Stamps, coins, misc.
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Réf. 123201): 24.4 - 28, mean 26.7 °C (based on 64 cells).
Phylogenetic diversity index (Réf. 82804):  PD50 = 0.5006   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00153 - 0.00788), b=3.12 (2.93 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Réf. 69278):  4.5   ±0.54 se; based on food items.
Résilience (Réf. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec=24).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100). 🛈
Catégorie de prix (Ref. 80766):   High.