Classification / Names
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Élasmobranches (requins et raies) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: maugeana: The epithet maugeana was derived to draw a link with the Australian cool temperate biogeographic region, the Maugean Province, in which this skate is a keystone species. Its common name, the Maugean Skate, follows this theme.
More on authors: Last & Gledhill.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
; saumâtre benthopélagique. Temperate
Southwest Pacific: Tasmania. Endemic to Bathurst and Macquarie Harbours, in southwestern Tasmania. Occurs primarily in the upper, oligo-mesohaline regions of these estuaries (Ref. 58362).
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 70.6 cm TL mâle / non sexé; (Ref. 58362); 84.0 cm TL (female)
The total available habitat is less than 300 km2 and initial surveys suggest that the population is likely to be less than 1000 individuals (Treloar pers. comm.).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Last, P.R. and D.C . Gledhill, 2007. The Maugean skate, Zearaja maugeana sp. nov. (Rajiformes: Rajidae) a micro-endemic, Gondwanan relict from Tasmanian estuaries. Zootaxa 1494:45-65. (Ref. 58362)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menacé (EN) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 20 February 2015
Menace pour l'homme
Harmless
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Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (54 of 100).
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