Élasmobranches (requins et raies) (sharks and rays) >
Myliobatiformes (Stingrays) >
Urolophidae (Round rays)
Etymology: Trygonoptera: Greek, trygon = a sting ray + Greek, pteron = wing, fin (Ref. 45335); imitata: Name from Latin 'imitor', to copy or mimic, refers to its similarity to Trygonoptera mucosa and T. testacea in general appearance resulting in confusion over their identities..
More on authors: Yearsley, Last & Gomon.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique; profondeur ? - 120 m (Ref. 76956). Temperate
Southern Oceans: Australia.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 47.5, range 45 - 48.2 cm
Max length : 68.9 cm TL mâle / non sexé; (Ref. 76956); 79.3 cm TL (female)
Inhabits bays and coastal waters from close inshore near beaches to depths of at least
120 m (Ref. 76956).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Yearsley, G.K., P.R. Last and M.F. Gomon, 2008. Trygonoptera imitata sp. Nov., a new stingaree (Myliobatoidei: Urolophidae) from Southeastern Australia. pp. 261-267. In P.R. Last, W.T. White and J.J. Pogonoski (eds). Descriptions of new Australian chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. 365 p. (Ref. 76956)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 14.6 - 18.4, mean 16 °C (based on 170 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00399 - 0.01200), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
Nutrients (Ref.
124155): Calcium = 4.9 [0.7, 82.5] mg/100g; Iron = 0.193 [0.019, 2.258] mg/100g; Protein = 19.3 [14.0, 24.5] %; Omega3 = 0.349 [0.101, 1.025] g/100g; Selenium = 11.3 [2.1, 60.5] μg/100g; VitaminA = 11.2 [0.8, 144.1] μg/100g; Zinc = 0.455 [0.031, 5.072] mg/100g (wet weight);