The Maugean Skate, Zearaja maugeana sp. nov. (Rajiformes: Rajidae) — a micro-endemic, Gondwanan relict from Tasmanian estuaries Author Last, Peter R. Author Gledhill, Daniel C. text Zootaxa 2007 1494 45 65 journal article 49616 10.5281/zenodo.176987 79ea0d54-e2e5-4d8d-9b66-945f35b523ae 1175-5326 176987

TABLE 2. Morphometric values demonstrating sexual dimorphism in Zearaja nasuta; mature males (MM, n=4), immature males (IM, n=4) and females (F, n=3). Values are expressed as a percentage of total length.

	min	max	min	max	min	max
Total length (mm) Disc width Disc length (direct) Snout to maximum width Snout length (preorbital direct) Snout to spiracle Head (dorsal length)	751 66.5 56.8 33.4 14.7 20.2 22.3	850 70.3 60.3 36.9 17.0 22.5 25.0	540 68.6 59.1 34.3 18.2 23.2 25.0	655 75.4 63.1 39.3 19.4 24.7 27.1	625 70.4 61.6 38.0 20.1 25.3 27.6	771 77.2 63.4 42.8 22.0 27.2 29.2
Orbit diameter Orbit and spiracle length Spiracle length (main pore) Distance between orbits Distance between spiracles	3.5 5.4 1.6 5.0 7.0	4.4 5.9 2.2 5.8 7.3	3.5 5.1 1.7 4.9 6.6	4.1 5.5 2.0 5.8 7.4	3.5 5.5 2.0 5.7 7.4	4.2 5.7 2.2 6.0 7.5
Distance-snout to cloaca Distance-cloaca to caudal-fin tip Ventral snout length (pre upper jaw) Prenasal length Ventral head length (to fifth gill) Mouth width	54.7 42.2 15.1 13.6 31.1 7.9	58.4 44.6 16.7 15.5 32.9 9.5	56.4 40.9 17.6 16.1 33.2 8.8	58.8 43.9 18.8 16.8 35.2 9.9	58.7 37.8 19.5 17.5 34.7 9.0	61.9 40.4 21.7 19.7 36.9 9.9
Distance between nostrils Nasal curtain length Nasal curtain (total width) Nasal curtain (min. width) Nasal curtain (lobe width) Width of first gill opening	8.5 4.6 10.0 6.5 2.2 1.5	10.1 5.5 11.2 7.9 2.4 1.7	8.9 4.8 9.7 6.8 2.1 1.3	9.4 4.9 10.6 7.3 2.2 1.7	9.3 5.1 10.0 7.1 2.2 1.5	9.7 5.3 10.8 7.7 2.4 1.7
Width of fifth gill opening Distance between first gill openings Distance between fifth gill openings Clasper (post cloacal length) Length of anterior pelvic lobe	1.2 14.5 8.3 25.9 12.9	1.4 15.9 8.9 29.5 14.2	1.2 14.6 9.1 12.1 13.4	1.3 16.9 9.9 20.5 14.4	1.2 16.6 10.2 0.0 12.2	1.4 17.3 11.5 0.0 14.0
Length of posterior pelvic lobe Pelvic base width Tail at axil pelvic fins (width) Tail at axil pelvic fins (height) Tail at midlength (width) Tail at midlength (height)	20.5 8.3 4.4 2.7 3.2 1.6	23.2 9.0 5.6 2.9 3.9 1.8	18.3 7.9 4.5 2.3 2.9 1.6	19.5 9.6 5.2 2.7 3.7 1.8	16.1 9.9 4.8 2.4 2.9 1.5	18.3 10.4 5.8 2.7 3.6 1.7
Tail at D1 origin (width) Tail at D1 origin (height) D1 base length D1 height D1 orig to caudal-fin tip	2.7 1.4 4.9 3.4 13.2	3.2 1.6 5.6 3.9 16.9	2.2 1.3 5.4 3.1 14.2	3.0 1.6 6.1 3.5 15.7	2.7 1.3 4.5 2.7 12.9	3.2 1.5 5.6 3.4 14.5
D2 orig to caudal-fin tip Caudal-fin length	6.8 2.4	10.2 3.9	8.2 3.0	9.0 3.6	6.9 2.3	8.1 4.2