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{{Short description|Species of cartilaginous fish}}
{{Use dmy dates|date=September 2012}}
{{Use dmy dates|date=December 2021}}
{{Use Australian English|date=September 2012}}
{{Use Australian English|date=September 2012}}
{{Speciesbox
{{Taxobox
| name = Yellowback stingaree
| name = Yellowback stingaree
| image =
| image =
| status = VU | status_system = IUCN3.1
| status = VU | status_system = IUCN3.1
| status_ref = <ref name="iucn">{{IUCN2008|assessors=Last, P.R. and Marshall, L.J. |year=2005 |id=60104 |title=Urolophus sufflavus |downloaded=22 March 2009}}</ref>
| status_ref = <ref name="iucn status 11 November 2021">{{cite iucn |author=Kyne, P.M. |author2=Last, P.R. |author3=Marshall, L.J. |date=2019 |title=''Urolophus sufflavus'' |volume=2019 |page=e.T60104A68650134 |doi=10.2305/IUCN.UK.2019-1.RLTS.T60104A68650134.en |access-date=11 November 2021}}</ref>
⚫
| taxon = Urolophus sufflavus
| regnum = [[Animalia]]
⚫
| authority = [[Gilbert Percy Whitley|Whitley]], 1929}}
| phylum = [[Chordata]]
⚫
The '''yellowback stingaree''' (''Urolophus sufflavus'') is a locally abundant but little-known species of [[stingray]] in the family [[Urolophidae]]. It is almost [[Endemism|endemic]] to [[New South Wales]], with a range from [[Green Cape, New South Wales|Green Cape]] northward, extending only barely into [[Queensland]] ([[Stradbroke Island]]).<ref name="iucn status 11 November 2021" /> It inhabits soft-substrate [[habitat]]s and has been reported from depths of 45–300 metres (150–980&nbsp;ft), though it is most common on the outer [[continental shelf]] at depths of 100–160 metres (330–520&nbsp;ft).<ref name="last and compagno">{{cite book |author1=Last, P.R. |author2=Compagno, L.J.V. |name-list-style=amp |chapter=Myliobatiformes: Urolophidae |editor=Carpenter, K.E. |editor2=Niem, V.H. |title=FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific |location=Rome |publisher=Food and Agricultural Organization of the United Nations |year=1999 |isbn=92-5-104302-7}}</ref>
| classis = [[Chondrichthyes]]
| ordo = [[Myliobatiformes]]
| familia = [[Urolophidae]]
| genus = ''[[Urolophus]]''
| species = '''''U. sufflavus'''''
⚫
| binomial = ''Urolophus sufflavus''
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| binomial_authority = [[Gilbert Percy Whitley|Whitley]], 1929}}
⚫
The '''yellowback stingaree''', ''Urolophus sufflavus'', is a locally abundant but little-known species of [[stingray]] in the family [[Urolophidae]]. It is almost [[Endemism|endemic]] to [[New South Wales]], with a range from [[Green Cape]] northward, extending only barely into [[Queensland]] ([[Stradbroke Island]]).<ref name="iucn"/> It inhabits soft-substrate [[habitat]]s and has been reported from depths of 45–300 metres (150–980&nbsp;ft), though it is most common on the outer [[continental shelf]] at depths of 100–160 metres (330–520&nbsp;ft).<ref name="last and compagno">{{cite book |author1=Last, P.R. |author2=Compagno, L.J.V. |lastauthoramp=yes |chapter=Myliobatiformes: Urolophidae |editor=Carpenter, K.E. |editor2=Niem, V.H. |title=FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific |location=Rome |publisher=Food and Agricultural Organization of the United Nations |year=1999 |isbn=92-5-104302-7}}</ref>


This species attains a maximum length of 42&nbsp;cm (17&nbsp;in).<ref name="fishbase">{{fishbase species |genus=Urolophus |species=sufflavus |month=March |year=2009}}</ref> It has a flattened [[pectoral fin]] disk about as wide as long, with rounded corners and straight anterior margins. There is a [[skirt]]-like nasal curtain in front of the [[mouth]], without lateral lobes. The tail is short and stout, measuring 64-76% the length of the disk and bearing a serrated spine. The tail ends in a small [[caudal fin]]; there are no [[dorsal fin]]s or lateral folds. The skin is devoid of [[dermal denticle]]s.<ref name="last and compagno"/> The coloration is uniformly yellowish above, sometimes with an ill-defined brown stripe running down the back.<ref>{{cite book |title=Journal of the Royal Society of Western Australia (Vol. 48) |author=Royal Society of Western Australia |publisher=Royal Society of Western Australia |date=1965}}</ref>
This species attains a maximum length of 42&nbsp;cm (17&nbsp;in).<ref name="fishbase">{{FishBase |genus=Urolophus |species=sufflavus |month=March |year=2009}}</ref> It has a flattened [[pectoral fin]] disk about as wide as long, with rounded corners and straight anterior margins. There is a [[skirt]]-like nasal curtain in front of the [[mouth]], without lateral lobes. The tail is short and stout, measuring 64-76% the length of the disk and bearing a serrated spine. The tail ends in a small [[caudal fin]]; there are no [[dorsal fin]]s or lateral folds. The skin is devoid of [[dermal denticle]]s.<ref name="last and compagno"/> The colouration is uniformly yellowish above, sometimes with an ill-defined brown stripe running down the back.<ref>{{cite book |title=Journal of the Royal Society of Western Australia (Vol. 48) |author=Royal Society of Western Australia |publisher=Royal Society of Western Australia |date=1965}}</ref>


The yellowback stingaree is likely [[ovoviviparous]] with low [[fecundity]], as in other stingarees. Males mature at a length of 23&nbsp;cm (9&nbsp;in).<ref name="iucn"/> This species shares the southern extent of its range with the [[banded stingaree]] (''U. cruciatus''). The two species apparently [[hybrid (biology)|hybridize]], highly unusual for [[cartilaginous fish]], and produce offspring that are intermediate in color pattern. In a 2007 study of 388 fishes, these two species were the only two that could not be distinguished on the basis of their [[cytochrome c|cytochrome ''c'']] [[gene sequence]]s, attesting to a close evolutionary relationship.<ref>{{cite journal |doi=10.1111/j.1471-8286.2007.01886.x |title=An analysis of nucleotide and amino acid variability in the barcode region of cytochrome ''c'' oxidase I (''cox1'') in fishes |author1=Ward, R.D. |author2=Holmes, B.H. |lastauthoramp=yes |journal=Molecular Ecology Notes |date=2007 |volume=7 |issue=6 |pages=899–907}}</ref>
The yellowback stingaree is likely [[ovoviviparous]] with low [[fecundity]], as in other stingarees. Males mature at a length of 23&nbsp;cm (9&nbsp;in).<ref name="iucn status 11 November 2021" /> This species shares the southern extent of its range with the [[banded stingaree]] (''U. cruciatus''). The two species apparently [[hybrid (biology)|hybridize]], highly unusual for [[cartilaginous fish]], and produce offspring that are intermediate in colour pattern. In a 2007 study of 388 fishes, these two species were the only two that could not be distinguished on the basis of their [[cytochrome c|cytochrome ''c'']] [[gene sequence]]s, attesting to a close evolutionary relationship.<ref>{{cite journal |doi=10.1111/j.1471-8286.2007.01886.x |title=An analysis of nucleotide and amino acid variability in the barcode region of cytochrome ''c'' oxidase I (''cox1'') in fishes |author1=Ward, R.D. |author2=Holmes, B.H. |name-list-style=amp |journal=Molecular Ecology Notes |date=2007 |volume=7 |issue=6 |pages=899–907}}</ref>


Almost the entire range of the yellowback stingaree is under pressure from Australian Commonwealth and State-managed [[commercial fishing|commercial fisheries]]. This species is caught as [[bycatch]] in [[otter trawl]]s and [[gillnet]]s; though it is generally discarded, survival post-capture is believed to be low, and in addition stingarees tend to abort gestating young if captured and handled. From 1966-67 to 1996-97, the capture rate of stingarees in trawl surveys on the New South Wales upper slope, including the yellowback stingaree, declined by some 65%. Trawl surveys off [[Sydney]] found a similar decline of 45%. These negative trends and this species' restricted distribution has led it to be assessed as [[Vulnerable species|Vulnerable]] by the [[World Conservation Union]].<ref name="iucn"/>
Almost the entire range of the yellowback stingaree is under pressure from Australian Commonwealth and State-managed [[commercial fishing|commercial fisheries]]. This species is caught as [[bycatch]] in [[otter trawl]]s and [[gillnet]]s; though it is generally discarded, survival post-capture is believed to be low, and in addition stingarees tend to abort gestating young if captured and handled. From 1966–67 to 1996–97, the capture rate of stingarees in trawl surveys on the New South Wales upper slope, including the yellowback stingaree, declined by some 65%. Trawl surveys off [[Sydney]] found a similar decline of 45%. These negative trends and this species' restricted distribution has led it to be assessed as [[Vulnerable species|Vulnerable]] by the [[World Conservation Union]].<ref name="iucn status 11 November 2021" />


==References==
==References==
{{reflist}}
{{Reflist}}


{{Taxonbar|from=Q4668730}}
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[[Category:Urolophus]]

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[[Category:Fish of Australia]]
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[[Category:Urolophus|yellowback stingaree]]
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[[Category:Marine fish of Eastern Australia]]
[[Category:Fauna of New South Wales]]
[[Category:Vulnerable fauna of Australia]]
[[Category:Vulnerable fauna of Australia]]
[[Category:Taxonomy articles created by Polbot]]
[[Category:Taxa named by Gilbert Percy Whitley]]
[[Category:Fish described in 1929|yellowback stingaree]]

Latest revision as of 23:37, 19 February 2024

Yellowback stingaree
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Superorder: Batoidea
Order: Myliobatiformes
Family: Urolophidae
Genus: Urolophus
Species:
U. sufflavus
Binomial name
Urolophus sufflavus
Whitley, 1929

The yellowback stingaree (Urolophus sufflavus) is a locally abundant but little-known species of stingray in the family Urolophidae. It is almost endemic to New South Wales, with a range from Green Cape northward, extending only barely into Queensland (Stradbroke Island).[1] It inhabits soft-substrate habitats and has been reported from depths of 45–300 metres (150–980 ft), though it is most common on the outer continental shelf at depths of 100–160 metres (330–520 ft).[2]

This species attains a maximum length of 42 cm (17 in).[3] It has a flattened pectoral fin disk about as wide as long, with rounded corners and straight anterior margins. There is a skirt-like nasal curtain in front of the mouth, without lateral lobes. The tail is short and stout, measuring 64-76% the length of the disk and bearing a serrated spine. The tail ends in a small caudal fin; there are no dorsal fins or lateral folds. The skin is devoid of dermal denticles.[2] The colouration is uniformly yellowish above, sometimes with an ill-defined brown stripe running down the back.[4]

The yellowback stingaree is likely ovoviviparous with low fecundity, as in other stingarees. Males mature at a length of 23 cm (9 in).[1] This species shares the southern extent of its range with the banded stingaree (U. cruciatus). The two species apparently hybridize, highly unusual for cartilaginous fish, and produce offspring that are intermediate in colour pattern. In a 2007 study of 388 fishes, these two species were the only two that could not be distinguished on the basis of their cytochrome c gene sequences, attesting to a close evolutionary relationship.[5]

Almost the entire range of the yellowback stingaree is under pressure from Australian Commonwealth and State-managed commercial fisheries. This species is caught as bycatch in otter trawls and gillnets; though it is generally discarded, survival post-capture is believed to be low, and in addition stingarees tend to abort gestating young if captured and handled. From 1966–67 to 1996–97, the capture rate of stingarees in trawl surveys on the New South Wales upper slope, including the yellowback stingaree, declined by some 65%. Trawl surveys off Sydney found a similar decline of 45%. These negative trends and this species' restricted distribution has led it to be assessed as Vulnerable by the World Conservation Union.[1]

References[edit]

  1. ^ a b c d Kyne, P.M.; Last, P.R.; Marshall, L.J. (2019). "Urolophus sufflavus". IUCN Red List of Threatened Species. 2019: e.T60104A68650134. doi:10.2305/IUCN.UK.2019-1.RLTS.T60104A68650134.en. Retrieved 11 November 2021.
  2. ^ a b Last, P.R. & Compagno, L.J.V. (1999). "Myliobatiformes: Urolophidae". In Carpenter, K.E. & Niem, V.H. (eds.). FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Rome: Food and Agricultural Organization of the United Nations. ISBN 92-5-104302-7.
  3. ^ Froese, Rainer; Pauly, Daniel (eds.) (2009). "Urolophus sufflavus" in FishBase. March 2009 version.
  4. ^ Royal Society of Western Australia (1965). Journal of the Royal Society of Western Australia (Vol. 48). Royal Society of Western Australia.
  5. ^ Ward, R.D. & Holmes, B.H. (2007). "An analysis of nucleotide and amino acid variability in the barcode region of cytochrome c oxidase I (cox1) in fishes". Molecular Ecology Notes. 7 (6): 899–907. doi:10.1111/j.1471-8286.2007.01886.x.
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