أشلاق (القروش و الشفانين) (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 / نطاق العمق / distribution range
البيئة
; مياه مخلوطة قاعية التغذية و المعيشة. 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).
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 70.6 cm TL ذكر/ مختلط الجنس; (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
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
في خطر (EN) (B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)); Date assessed: 20 February 2015
استخدامات بشرية
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (مرجع
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).
مستوى غذائي (مرجع
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (54 of 100).
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