Élasmobranches (requins et raies) (sharks and rays) >
Rajiformes (Skates and rays) >
Anacanthobatidae (Smooth skates)
Etymology: Anacanthobatis: Greek, ana = up + Greek, akantha = thorn + Greek, batis, -idos = a ray (Ref. 45335).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 230 - 322 m (Ref. 5578). Deep-water; 24°S - 30°S, 29°E - 40°E (Ref. 57365)
Western Indian Ocean: known only from southern Mozambique to Durban, South Africa.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 29.0 cm TL mâle / non sexé; (Ref. 95335)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0. A brown-spotted legskate with smooth skin and a short slender tail less than body length; snout angular with tiny filament; pectoral disc with rounded corners; no large thorns on denticles except for alar spines on adult males (Ref. 5578). Legskates have pelvic fins separated into a mobile leg-like front lobe, and a rear lobe that may be fused to the tail base (Ref. 5578). Mottled brown and white with scattered ocelli dorsally; uniform pale ventrally (Ref. 6510). Papillae and rostral filament dark brown (Ref. 6510).
Body shape (shape guide): other.
Possibly the smallest southern African skate (Ref. 5578). Found on the upper slope (Ref. 5578).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Distinct pairing with embrace (Ref. 205).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: bycatch
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.6 ±0.6 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming fecundity<100). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (19 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Medium.
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