Elasmobranchii (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
Ecology
Marine; benthopelagic; depth range ? - 120 m (Ref. 76956). Temperate
Southern Oceans: Australia.
Length at first maturity / Size / Weight / Age
Maturity: Lm 47.5, range 45 - 48.2 cm
Max length : 68.9 cm TL male/unsexed; (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
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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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 (0.00397 - 0.01205), b=3.09 (2.93 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (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);