Zearaja maugeana


Maugeaen skate
Classification: Elasmobranchii Rajiformes Rajidae

Reference of the original description
LAST, P.R. & GLEDHILL, D.C. (2007)
The Maugean Skate, Zearaja maugeana sp. nov. (Rajiiformes: Rajiidae) - a micro-endemic, Gondwanan relict from Tasmanian estuaries. Zootaxa, 1494: 45–65

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Description :

Citation: Zearaja maugeana LAST & GLEDHILL, 2007: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2021

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Common names
eng Maugeaen skate

Short Description
Original diagnose of LAST & GLEDHILL, 2007 [3392]: A relatively small species of Zearaja with the following combination of characters: granular denticles absent or poorly developed on dorsal surface of pectoral disc, disc width 67–71% TL, 1.09–1.12 times its length; pre upper jaw length 20.6–24.7% TL; ventral head length 36.1–38.8% TL; adult clasper relatively short, 23.9–26.8% TL; tail evenly tapering, not robust, height at midlength 1.3–1.4% TL; snout length 3.75– 4.38 times interorbital width; pre upper jaw length 2.20–2.58 times internasal width; orbit diameter 0.58–0.69 of interorbital width; total pectoral radials 78–85; predorsal vertebrae 85–93; teeth in upper jaw 38–43.

Southwest Pacific: Tasmania. Endemic to Bathurst and Macquarie Harbours, in southwestern Tasmania. Occurs primarily in the upper, oligo-mesohaline regions of these estuaries [3392]

Diet: 23 animals (15 males, 8 females): Crustaceans dominated the diet, with the majority of animals feeding on the crab Paragrapus gaimardii [25282]

Size / Weight / Age
70.6 cm TL (male/unsexed; [3392]); 84 cm TL (female)

benthopelagic; brackish [3392]

Teeth unicuspid with subcircular bases; arranged in distinct longitudinal rows rather than quincunx; in mature males, with long, upright medial cusps at symphysis, cusps becoming shorter, more oblique laterally (variable, but more robust and generally more upright in female paratypes); teeth at angle with very short cusps. Teeth in upper jaw 43 (38–42); lower jaw 41 (39–42) [3392].

shark-references Species-ID=7553;