Elasmobranchii (Haie und Rochen) (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
Ökologie
seewasser riff-verbunden; tiefenbereich 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.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 120 cm WD Männchen/unbestimmt; (Ref. 6871); max. veröff. Gewicht: 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 | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
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)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Venomous
Nutzung durch Menschen
Sportfisch: ja
Tools
Zusatzinformationen
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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).
Trophic level (Ref.
69278): 3.6 ±0.55 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (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);
