Élasmobranches (requins et raies) (sharks and rays) >
Myliobatiformes (Stingrays) >
Myliobatidae (Eagle and manta rays)
Etymology: Myliobatis: Greek, mylo = mill + Greek, + Greek, batis,-idos = a ray (Raja sp.) (Ref. 45335).
More on author: Macleay.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; profondeur 1 - 85 m (Ref. 9862). Subtropical; 27°S - 43°S
Eastern Indian Ocean: southern Australia, from Western Australia to Queensland. Possibly occurring off New Zealand.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 120 cm WD mâle / non sexé; (Ref. 6871); poids max. publié: 56.5 kg (Ref. 40637)
Commonly found off beaches and over sand flats in shallow water. Also found offshore down to 85 m (Ref. 9862). Feeds mainly on crabs and shellfish (Ref. 6871). Ovoviviparous (Ref. 50449).
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).
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Venomous
Utilisations par l'homme
Pêche sportive: oui
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 15 - 20.1, mean 17.4 °C (based on 236 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00123 - 0.01235), b=3.08 (2.82 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.55 se; based on food items.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (83 of 100).
Nutrients (Ref.
124155): Calcium = 4.25 [0.47, 67.92] mg/100g; Iron = 0.393 [0.033, 4.254] mg/100g; Protein = 21.5 [16.2, 26.7] %; Omega3 = 0.113 [0.037, 0.324] g/100g; Selenium = 15.7 [2.8, 83.7] μg/100g; VitaminA = 14.1 [1.2, 162.4] μg/100g; Zinc = 0.464 [0.031, 5.171] mg/100g (wet weight);