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Squatina africana  Regan, 1908

African angelshark
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Native range
This map was computer-generated and has not yet been reviewed.
Squatina africana   AquaMaps   Data sources: GBIF OBIS
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Image of Squatina africana (African angelshark)
Squatina africana
Picture by FAO

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Élasmobranches (requins et raies) (sharks and rays) > Squatiniformes (Angel sharks) > Squatinidae (Angel sharks)
Etymology: Squatina: Latin, squatina, -ae = a kind of shark (Ref. 45335).   More on author: Regan.

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

; marin démersal; profondeur ? - 494 m (Ref. 5578), usually 60 - 300 m (Ref. 5578).   Subtropical; 4°S - 32°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: tropical and warm temperate waters from Tanzania to the eastern Cape coast of South Africa.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?, range 90 - 93 cm
Max length : 80.0 cm TL mâle / non sexé; (Ref. 247); 108.0 cm TL (female)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 0; Rayons mous dorsaux (Total): 0; Épines anales 0; Rayons mous anaux: 0. A distinctly flattened shark with large pectoral fins separated from the round head by notches (Ref. 5578). Brown above with a reticulated pattern of light spots, white below (Ref. 5578).

Biologie     Glossaire (ex. epibenthic)

Found on the continental shelf and uppermost slope, from the surf line close inshore to 494 m depth (Ref. 247). Feeds on bony fish, squid and octopus (Ref. 247). Ovoviviparous (Ref. 50449), with about 7 to 11 young in a litter (Ref. 247). Sometimes caught by surf anglers (Ref. 6588).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Ovoviviparous, with about 7 to 11 young in a litter. Size at birth between 28 and 34 cm. Embryos feed solely on yolk (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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Traumatogenic




Utilisations par l'homme

Pêcheries: pêcheries vivrières; pêche sportive: oui
FAO(pêcheries: Résumé espèce; publication : search) | FishSource |

Plus d'informations

Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
Stocks
Écologie
Régime alimentaire
Éléments du régime alimentaire
Consommation alimentaire
Ration
Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Fécondité
Œufs
Développement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
Références
Aquaculture
Profil d'aquaculture
Souches
Génétique
Fréquences alléliques
Héritabilité
Pathologies
Traitement
Mass conversion
Collaborateurs
Images
Stamps, Coins Misc.
Sons
Ciguatera
Vitesse
Type de nage
Surface branchiale
Otolithes
Cerveaux
Vision

Outils

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Sources Internet

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(génôme, nucléotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Arbre de Vie | Wikipedia(aller à, chercher) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 14 - 24.8, mean 18.2 (based on 68 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00243 - 0.01188), b=3.02 (2.81 - 3.23), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  4.2   ±0.5 se; Based on diet studies.
Résilience (Ref. 69278):  Très faible, temps minimum de doublement de population supérieur à 14 ans (Fec=7).
Vulnérabilité (Ref. 59153):  High vulnerability (55 of 100) .
Catégorie de prix (Ref. 80766):   Medium.