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Élasmobranches (requins et raies) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Trygonorrhinidae (Banjo rays, Fiddler rays)
Etymology: Zapteryx: Greek, za = an augmentative particle + Greek, pteryx, wing, fin (Ref. 45335).
More on authors: Müller & Henle.

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

marin démersal; profondeur ? - 50 m (Ref. 114953). Subtropical; 20°S - 40°S, 58°W - 47°W (Ref. 114953)

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

Southwest Atlantic: from northern Argentina to southern Brazil.

Length at first maturity / Taille / Poids / Âge

Maturity: L_m 46.4 range ? - ? cm
Max length : 53.4 cm TL mâle / non sexé; (Ref. 115173); 59.3 cm TL (female); common length : 50.0 cm TL mâle / non sexé; (Ref. 6077); poids max. publié: 758.00 g (Ref. ); poids max. publié: 758.00 g

Description synthétique Clés d'identification | Morphologie | Morphométrie

Obtuse snout, broader heart shaped disc. Olive to brownish gray above, without definite markings, dorsal and caudal darker than general ground tint, margins of pectoral and pelvic fins paler. Lower surface grayish or yellowish white, posterior corners of pectoral fins and tips of pelvic fins more or less dusky (Ref. 6902).

This benthic inshore species is found over soft bottoms to at least 50 m; feeds on benthic crustaceans and polychaetes. Gestation last about a year, produces litters of 1-8 pups in autumn (Ref. 114953). Ovoviviparous (Ref. 50449). Maturity size for males at 43-45 cm TL, females at 42-48 cm TL; birth size at 13-16 cm TL (Ref. 114953).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Menacé (EN) (A2bd); Date assessed: 01 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: intérêt commercial mineur

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00617 (0.00308 - 0.01235), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Niveau trophique (Ref. 69278): 3.5 ±0.6 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (44 of 100).

Catégorie de prix (Ref. 80766): Medium.

Nutrients (Ref. 124155): Calcium = 35.9 [5.9, 168.6] mg/100g; Iron = 0.87 [0.23, 2.50] mg/100g; Protein = 19.8 [17.6, 21.7] %; Omega3 = 0.372 [0.152, 0.819] g/100g; Selenium = 15.9 [4.6, 44.3] μg/100g; VitaminA = 12.3 [4.4, 32.7] μg/100g; Zinc = 0.667 [0.317, 1.222] mg/100g (wet weight);

Zapteryx brevirostris (Müller & Henle, 1841)