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with rounded posterior margins. Between the smooth-rimmed nostrils, there is a short, skirt-shaped curtain of skin with the posterior corners extended into lobes. The sizable mouth contains 10 papillae (nipple-shaped structures) on the floor, and small teeth with roughly oval bases. The five pairs of
367:
is positioned on the upper surface of the tail, followed shortly by the serrated stinging spine. The tail lacks lateral skin folds. The skin is entirely smooth. This species is slate-blue above with numerous whitish spots, blotches, and rings, and distinctive large black spots with white borders
243:
disc bearing a striking dorsal pattern of lighter spots and rings, and a central circle of white-margined black spots, on a bluish gray background. Between its nostrils is a skirt-shaped curtain of skin, with the posterior corners drawn out into lobes. Its tail bears a rather large
342:
disc of the circular stingaree is oval in shape and about as wide as long. The anterior margins of the disc are gently convex and converge at a broad angle on the fleshy snout, the tip of which is slightly protruding. The eyes are large, and followed by comma-shaped
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arranged in a ring at the center of the disc. The dorsal fin and margin of the caudal fin may be brownish. The underside is plain white, becoming light brown on the tail. The largest known specimen is 60 cm (24 in) long.
694:
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Only a handful of circular stingaree specimens have been deposited in museum collections. This species faces no substantial threats from human activity; a few are
416:
257:
423:. This species would potentially benefit from the implementation of the 2004 Australian National Plan of Action for the Conservation and Management of Sharks.
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836:
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746:
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McKay, R. J. (1966). "Studies on
Western Australian sharks and rays of the families Scyliorhinidae, Urolophidae and Torpedinidae".
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operating in the region, but its preference for rough or vegetated terrain largely shields it from fishing. Therefore, the
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The tail is oval in cross-section and measures about two-thirds as long as the disc, ending in a short, deep, leaf-shaped
311:
629:
570:
Last, P.R. & L.J.V. Compagno (1999). "Myliobatiformes: Urolophidae". In
Carpenter, K.E. & V.H. Niem (eds.).
65:
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species that can be found from the shore to a depth of 120 m (390 ft), generally sighted over rocks and
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FAO identification guide for fishery purposes: The living marine resources of the
Western Central Pacific
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Rather uncommon, the circular stingaree has a restricted range off southwestern
Australia between
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Little information is available on the natural history of the circular stingaree. It is
239:. Reaching 60 cm (24 in) in length, this species is characterized by an oval
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252:. Negligibly affected by human activity, the circular stingaree has been listed under
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to the coastal waters of southwestern
Australia, it prefers a rocky and/or vegetated
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milk"). Judging from related species, litter sizes are probably small. Males attain
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574:. Food and Agricultural Organization of the United Nations. pp. 1469–1476.
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The first known specimen of the circular stingaree was collected off
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549:(second ed.). Harvard University Press. p. 411–412.
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in front of the stinging spine, and ends in a deep, lance-like
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495:Journal of the Royal Society of Western Australia
289:Journal of the Royal Society of Western Australia
472:10.2305/IUCN.UK.2019-1.RLTS.T60089A68649151.en
417:International Union for Conservation of Nature
384:sustained by maternally produced histotroph ("
258:International Union for Conservation of Nature
8:
592:
39:
20:
470:
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392:at below 53 cm (21 in) long.
545:Last, P.R. & J.D. Stevens (2009).
302:for this species is banded stingray.
7:
804:026037ED-2530-4670-B762-5336F7E75BF3
778:F2AF0A9B-A025-E68C-6315-6122934F9A72
287:described it in a 1966 issue of the
827:IUCN Red List least concern species
458:IUCN Red List of Threatened Species
298:in reference to its shape. Another
14:
837:Marine fish of Western Australia
447:Kyne, P.M.; White, W.T. (2019).
64:
216:) is an uncommon, little-known
1:
842:Taxa named by Roland J. McKay
16:Species of cartilaginous fish
547:Sharks and Rays of Australia
419:(IUCN) has listed it under
863:
529:. September 2010 version.
186:
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61:Scientific classification
59:
37:
28:
23:
515:; Pauly, Daniel (eds.).
306:Distribution and habitat
404:by the small number of
356:are small and rounded.
847:Fish described in 1966
380:, with the developing
465:: e.T60089A68649151.
378:aplacental viviparous
363:. A relatively large
635:Urolophus_circularis
606:Urolophus circularis
519:Urolophus circularis
451:Urolophus circularis
213:Urolophus circularis
190:Urolophus circularis
402:caught incidentally
372:Biology and ecology
31:Conservation status
24:Circular stingaree
396:Human interactions
208:circular stingaree
172:U. circularis
814:
813:
760:Open Tree of Life
598:Taxon identifiers
556:978-0-674-03411-2
278:Western Australia
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293:specific epithet
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390:sexual maturity
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352:are short. The
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316:Rottnest Island
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138:Myliobatiformes
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118:Elasmobranchii
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108:Chondrichthyes
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421:Least Concern
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282:ichthyologist
280:. Australian
279:
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270:Carnac Island
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254:Least Concern
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181:Binomial name
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46:Least Concern
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476:. Retrieved
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340:pectoral fin
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285:Roland McKay
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241:pectoral fin
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124:Superorder:
18:
682:iNaturalist
501:(3): 65–82.
478:17 November
354:pelvic fins
334:Description
300:common name
229:Urolophidae
148:Urolophidae
821:Categories
427:References
365:dorsal fin
361:caudal fin
350:gill slits
318:. It is a
296:circularis
250:caudal fin
246:dorsal fin
114:Subclass:
832:Urolophus
345:spiracles
312:Esperance
274:Fremantle
166:Species:
159:Urolophus
84:Kingdom:
78:Eukaryota
700:10816958
656:FishBase
621:Q3284474
615:Wikidata
526:FishBase
413:trawlers
264:Taxonomy
260:(IUCN).
222:stingray
144:Family:
128:Batoidea
98:Chordata
94:Phylum:
88:Animalia
74:Domain:
51:IUCN 3.1
799:ZooBank
765:3594794
674:2419401
406:scallop
386:uterine
382:embryos
320:benthic
272:, near
256:by the
237:habitat
233:Endemic
224:in the
218:species
154:Genus:
134:Order:
104:Class:
49: (
791:283095
752:283095
739:907346
713:564650
687:114789
578:
553:
226:family
199:, 1966
786:WoRMS
773:Plazi
726:60089
695:IRMNG
661:23964
648:7DVW2
410:prawn
324:reefs
197:McKay
747:OBIS
721:IUCN
708:ITIS
669:GBIF
576:ISBN
551:ISBN
480:2021
463:2019
408:and
338:The
328:kelp
314:and
206:The
643:CoL
630:AFD
467:doi
220:of
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435:^
330:.
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231:.
584:.
559:.
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482:.
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210:(
53:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
