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{{Short description|Species of fish}}
{{Speciesbox
{{Speciesbox
| name = Faceless cusk<ref>{{cite web | last = Bray | first = D. J. | date = 2017 | title = Typhlonus nasus | work = Fishes of Australia | accessdate = 1 Jun 2017 | url = http://fishesofaustralia.net.au/Home/species/5354 }}</ref>
| name = Faceless cusk<ref name="Fishes of Australia">{{cite web | last = Bray | first = D. J. | date = 2020 | title = ''Typhlonus nasus'' | work = Fishes of Australia | access-date = 18 June 2021 | url = http://fishesofaustralia.net.au/Home/species/5354 }}</ref>
| image = Typhlonus nasus.jpg
| image = Typhlonus nasus.jpg
| status =
| status = LC | status_system = IUCN3.1
| status_ref = <ref name=IUCN>{{cite iucn |author=Uiblein, F. |author2=Everett, B. |author3=Matiku, P. |author4=Sithole, Y. |year=2020 |title=''Typhlonus nasus'' |volume=2020 |page=e.T141360861A141807603 |doi=10.2305/IUCN.UK.2020-1.RLTS.T141360861A141807603.en |access-date=19 May 2024}}</ref>
| status_system =
| parent_authority = Günther, 1878
| authority = [[Albert Günther|Günther]], 1878<ref name = "FAO">{{cite book | title = Ophidiiform fishes of the world (Order Ophidiiformes) An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date | series = FAO species catalogue | volume = 18 | publisher = [[Food and Agriculture Organization]] | first1 = Jørgen G. | last1 = Nielsen | first2 = Daniel M. | last2 = Cohen | first3 = Douglas F. | last3 = Markle | first4 = C. Richard | last4 = Robins | url = ftp://ftp.fao.org/docrep/fao/009/x3930e/x3930e15.pdf | date = 1999 }}{{Dead link|date=December 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>
| authority = [[Albert Günther|Günther]], 1878<ref name = "FAO">{{cite book |last1=Nielsen |first1=J.G. | author2 = Daniel M. Cohen | author3 = Douglas F. Markle | author4 = C. Richard Robins | name-list-style = amp | year = 1999 | title = FAO species catalogue. Vol. 18. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date |series=FAO Fisheries Synopsis |volume=125/18 | publisher = [[Food and Agriculture Organization]] of the United Nations | isbn = 92-5-104375-2 | page = 92 | url = https://openknowledge.fao.org/handle/20.500.14283/x3930e }}</ref>
| taxon = Typhlonus nasus
| taxon = Typhlonus nasus
| display_parents = 3
| display_parents = 3
}}
}}


The '''faceless cusk''' ('''''Typhlonus nasus''''') is a [[species]] of [[cusk-eel]] found in the [[Indian Ocean|Indian]] and [[Pacific Ocean]]s at depths from {{convert|3935|to|5100|m|ft|abbr=on}}.<ref>{{FishBase |genus= Typhlonus|species= nasus| month = June | year = 2012}}</ref> This species grows to {{convert|28.5|cm|in|abbr=on}} in [[fish measurement|standard length]], and is the only known member of its [[genus]].
The '''faceless cusk''' ('''''Typhlonus nasus''''') is a [[species]] of [[cusk-eel]]. It is the only species of the [[monotypic]] genus '''''Typhlonus'''''.<ref>{{FishBase genus |genus=Typhlonus |month=February |year=2024 }}</ref><ref name=CoF/> It is found in the [[Indian Ocean|Indian]] and [[Pacific Ocean]]s at depths from about {{convert|3935|to|5100|m|ft|abbr=on}}.<ref name=IUCN/><ref>{{FishBase |genus= Typhlonus|species= nasus| month =February |year=2024 }}</ref> This species grows to {{convert|46.5|cm|in|abbr=on}} in [[fish measurement|standard length]].<ref name="Fishes of Australia"/>

⚫
The fish is named after its appearance due to having an extremely reduced "face". The mouth is located on the underside of the head. The sides of the head do not display any visible eyes. However, ''Typhlonus nasus'' does possess eyes, which can be seen deep beneath the skin in small-sized specimens.<ref name="Live Science">{{cite web |url=https://www.livescience.com/59480-faceless-fish-discovered-near-australia.html|title=Long-Lost Faceless Fish Shows Up Near Australia|last=Deamer|first=Kacey|date=14 June 2017 |website=www.LiveScience.com|publisher=Purch|access-date=6 June 2018}}</ref> It also possess two pairs of large nostrils towards the front of the head above the mouth.<ref name="FOA">{{cite web |url=http://fishesofaustralia.net.au/Home/species/5354 |title=The Faceless Cusk |author=<!--Not stated--> |date= |website=Oz Fish Net|publisher=Museums of Victoria|access-date=11 June 2018}}</ref> The species has discernible gill covers on each side of the head and large [[Fish_scale#Modifications|deciduous scales]].<ref name="FOA"/> It also has reduced dorsal and anal fins which are dark in colors and are fused at the end, as a replacement for a lacking caudal fin. The fins of this fish are black in color, with a very pale body.


⚫
The fish is named after its appearance due to having an extremely reduced "face". The mouth is located on the underside of the head. The sides of the head do not display any visible eyes. However, ''Typhlonus nasus'' does possess eyes, which can be seen deep beneath the skin in small-sized specimens.<ref name="Live Science">{{cite web |url=https://www.livescience.com/59480-faceless-fish-discovered-near-australia.html|title=Long-Lost Faceless Fish Shows Up Near Australia|last=Deamer|first=Kacey|date=14 June 2017 |website=www.LiveScience.com|publisher=Purch|access-date=6 June 2018}}</ref> It also possess two pairs of large nostrils towards the front of the head above the mouth.<ref name="FOA">{{cite web |url=http://fishesofaustralia.net.au/Home/species/5354 |title=The Faceless Cusk |author=<!--Not stated--> |website=Oz Fish Net|publisher=Museums of Victoria|access-date=11 June 2018}}</ref> The species has discernible gill covers on each side of the head and large [[Fish scale#Modifications|deciduous scales]].<ref name="FOA"/> It also has reduced dorsal and anal fins which are dark in colors and are fused at the end, as a replacement for a lacking caudal fin. The fins of this fish are black in color, with a very pale body.


==References==
==References==
{{Reflist}}
{{Reflist|refs=
<ref name=CoF>{{Cof record |genid=3981 |title=''Typhlonus'' |access-date=19 May 2024}}</ref>
}}


== External links ==
== Bibliography ==
* {{cite news | url = http://www.cbsnews.com/news/faceless-fish-missing-for-more-than-a-century-rediscovered-during-deep-sea-expedition/ | title = "Faceless" fish discovered during deep sea expedition off Australian coast | publisher = [[CBS News]] | first = Jennifer | last = Earl | date = May 31, 2017 }}
* {{cite news | url = http://www.cbsnews.com/news/faceless-fish-missing-for-more-than-a-century-rediscovered-during-deep-sea-expedition/ | title = "Faceless" fish discovered during deep sea expedition off Australian coast | work = [[CBS News]] | first = Jennifer | last = Earl | date = May 31, 2017 }}
* {{cite journal|last = Daley|first = Jason|date = June 1, 2017|title = "Faceless" Fish Found off the Coast of Australia|url = http://www.smithsonianmag.com/smart-news/researchers-dredge-faceless-fish-australia-180963510/|journal = [[Smithsonian (magazine)|Smithsonian]]|volume=|pages=|via=}}
* {{cite journal|last = Daley|first = Jason|date = June 1, 2017|title = "Faceless" Fish Found off the Coast of Australia|url = http://www.smithsonianmag.com/smart-news/researchers-dredge-faceless-fish-australia-180963510/|journal = [[Smithsonian (magazine)|Smithsonian]]}}


{{Taxonbar|from=Q1920995}}
{{Taxonbar|from=Q1920995}}


[[Category:Ophidiidae]]
[[Category:Ophidiidae]]
[[Category:Monotypic fish genera]]
[[Category:Fish of the Indian Ocean]]
[[Category:Fish of the Pacific Ocean]]
[[Category:Fish described in 1878]]
[[Category:Fish described in 1878]]
[[Category:Taxa named by Albert Günther]]




Latest revision as of 08:26, 19 May 2024

Faceless cusk[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Ophidiiformes
Family: Ophidiidae
Subfamily: Neobythitinae
Genus: Typhlonus
Günther, 1878
Species:
T. nasus
Binomial name
Typhlonus nasus

The faceless cusk (Typhlonus nasus) is a species of cusk-eel. It is the only species of the monotypic genus Typhlonus.[4][5] It is found in the Indian and Pacific Oceans at depths from about 3,935 to 5,100 m (12,910 to 16,732 ft).[2][6] This species grows to 46.5 cm (18.3 in) in standard length.[1]

The fish is named after its appearance due to having an extremely reduced "face". The mouth is located on the underside of the head. The sides of the head do not display any visible eyes. However, Typhlonus nasus does possess eyes, which can be seen deep beneath the skin in small-sized specimens.[7] It also possess two pairs of large nostrils towards the front of the head above the mouth.[8] The species has discernible gill covers on each side of the head and large deciduous scales.[8] It also has reduced dorsal and anal fins which are dark in colors and are fused at the end, as a replacement for a lacking caudal fin. The fins of this fish are black in color, with a very pale body.

References

[edit]
  1. ^ a b Bray, D. J. (2020). "Typhlonus nasus". Fishes of Australia. Retrieved 18 June 2021.
  2. ^ a b Uiblein, F.; Everett, B.; Matiku, P.; Sithole, Y. (2020). "Typhlonus nasus". IUCN Red List of Threatened Species. 2020: e.T141360861A141807603. doi:10.2305/IUCN.UK.2020-1.RLTS.T141360861A141807603.en. Retrieved 19 May 2024.
  3. ^ Nielsen, J.G.; Daniel M. Cohen; Douglas F. Markle & C. Richard Robins (1999). FAO species catalogue. Vol. 18. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fisheries Synopsis. Vol. 125/18. Food and Agriculture Organization of the United Nations. p. 92. ISBN 92-5-104375-2.
  4. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Typhlonus". FishBase. February 2024 version.
  5. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Typhlonus". Catalog of Fishes. California Academy of Sciences. Retrieved 19 May 2024.
  6. ^ Froese, Rainer; Pauly, Daniel (eds.). "Typhlonus nasus". FishBase. February 2024 version.
  7. ^ Deamer, Kacey (14 June 2017). "Long-Lost Faceless Fish Shows Up Near Australia". www.LiveScience.com. Purch. Retrieved 6 June 2018.
  8. ^ a b "The Faceless Cusk". Oz Fish Net. Museums of Victoria. Retrieved 11 June 2018.

Bibliography

[edit]


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