Indigo Leg Skate, Sinobatis caerulea Last & Séret 2008
Other Names: Blue Legskate

A female Indigo Leg Skate, Sinobatis caerulea. Source: Australian National Fish Collection, CSIRO. License: CC by Attribution-NonCommercial
Summary:
A bluish-grey legskate, also with a bluish underside.
Cite this page as:
Dianne J. Bray, Sinobatis caerulea in Fishes of Australia, accessed 16 Apr 2025, https://fishesofaustralia.net.au/home/species/1761
Indigo Leg Skate, Sinobatis caerulea Last & Séret 2008
More Info
Distribution |
Endemic to Western Australia, from west of Dirk Hartog Island (25°41'S, 111°30'E) to west of North West Cape (21°51'S, 113°41'E). |
Features |
Disc large, width at anterior orbit 8.0-9.1 times mouth width; tail short, postcloacal length 35-42% of disc length; eye relatively small, orbit diameter 10.9-15.7 in horizontal snout length, and 13.1-17.9 in head length; distal portion of tail weakly or slightly expanded, width of tail near tip 1.5-1.6 times tail width at its midlength; pectoral-fin radials 72-76; moderate-sized pelvic fins, anterior lobe 15.4-16.0% TL; anterior pelvic-fin lobe rather broad-based, width 1.7-2.2 in distance between pelvic-fin origins; caudal fin rudimentary; tooth rows in each jaw of adults 24-30; monospondylous vertebral centra 26-29, total centra 184-212. |
Size |
To 69 cm TL (female) |
Biology |
Little is known of the biology, ecology or population of this species. |
Etymology |
The specific name caerulea is from the Latin ‘caeruleus’, in allusion to its blue dorsal and ventral coloration. |
Species Citation |
Sinobatis caerulea Last & Séret 2008, Zootaxa 1671: 43, figs 6-8, 11, 13. Type locality: west of North West Cape, WA [21°54'S, 113°40'E], ♂. |
Author |
Dianne J. Bray |
Resources |
Indigo Leg Skate, Sinobatis caerulea Last & Séret 2008
References
Duryea, J. & Ebert, D.A. 2012. Sinobatis caerulea. The IUCN Red List of Threatened Species 2012: e.T195478A2382466. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T195478A2382466.en . Downloaded on 19 October 2015.
Last, P.R. & Compagno, L.J.V. 1999. Families Rajidae, Arhynchobatidae, Anacanthobatidae. pp. 1452-1466 in Carpenter, K.E. & Niem, V.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 3 pp. 1397-2068. (p. 164 as Anacanthobatis sp. C)
Last, P.R. & Séret, B. 2008. Three new legskates of the genus Sinobatis (Rajoidei: Anacanthobatidae) from the Indo-West Pacific. Zootaxa 1671: 33-58.
Last, P.R. & Stevens, J.D. 2009. Sharks and Rays of Australia. Collingwood : CSIRO Publishing Australia 2, 550 pp.