Bighead sculpin: Difference between revisions
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| synonyms = ''Cottus baicalensis'' <small>Dybowski, 1874</small> }} |
| synonyms = ''Cottus baicalensis'' <small>Dybowski, 1874</small> }} |
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The '''bighead sculpin''' (''Batrachocottus baicalensis''), is a species of [[sculpin]] fish that is [[endemic]] to the [[Lake Baikal]] watershed in eastern [[Siberia]], [[Russia]].<ref name=FB>{{FishBase|Batrachocottus|baicalensis|year=2015}}</ref> It typically lives on rocky bottoms, often in places with [[sponge]]s, at depths of {{convert|5|to(-)|70|m|ft|abbr=on}}, but can occur as deep as {{convert|120|m|ft|abbr=on}}.<ref name=zooex>{{cite web| title=Байкальская большеголовая широколобка | url=http://zooexcurs.baikal.ru/vertebrata/Batrachocottus_baicalensis.htm | publisher=zooex.baikal.ru | language=Russian | accessdate=31 May 2017}}</ref> It can reach up to {{convert|22|cm|in|abbr=on}} in length, but most are {{convert|13-16|cm|in|abbr=on}}.<ref name=zooex/> It feeds on a wide range of smaller animals such as fish larvae, insect larvae, [[mollusc]]s and [[oligochaete]]s.<ref name=zooex/> |
The '''bighead sculpin''' (''Batrachocottus baicalensis''), is a species of [[sculpin]] fish that is [[endemic]] to the [[Lake Baikal]] watershed in eastern [[Siberia]], [[Russia]].<ref name=FB>{{FishBase|Batrachocottus|baicalensis|year=2015}}</ref> It typically lives on rocky bottoms, often in places with [[sponge]]s, at depths of {{convert|5|to(-)|70|m|ft|abbr=on}}, but can occur as deep as {{convert|120|m|ft|abbr=on}}.<ref name=zooex>{{cite web| title=Байкальская большеголовая широколобка | url=http://zooexcurs.baikal.ru/vertebrata/Batrachocottus_baicalensis.htm | publisher=zooex.baikal.ru | language=Russian | accessdate=31 May 2017}}</ref> Its colour varies from grayish to brownish or greenish depending on the bottom type.<ref name=zooex/> It can reach up to {{convert|22|cm|in|abbr=on}} in length, but most are {{convert|13-16|cm|in|abbr=on}}.<ref name=zooex/> It feeds on a wide range of smaller animals such as fish larvae, insect larvae, [[amphipod]]s, [[mollusc]]s and [[oligochaete]]s.<ref name=zooex/> Breeding is in the spring where the female lays 618 to 1622 eggs.<ref name=zooex/> |
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The bighead sculpin is variously considered to belong either to the family [[Cottocomephoridae]],<ref name=FB/> [[Cottidae]]<ref>William Eschmeyer (2015) [http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?spid=43230 ''baicalensis, Cottus''] {{webarchive |url=https://web.archive.org/web/20150214201902/http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?spid=43230 |date=February 14, 2015 }}. [[Catalog of Fishes]]. California Academy of Sciences.</ref> or [[Abyssocottidae]].<ref>Tytti Kontula, Sergei V. Kirilchik, Risto Väinölä (2003) [http://www.sciencedirect.com/science/article/pii/S1055790302003767 Endemic diversification of the monophyletic cottoid fish species flock in Lake Baikal explored with mtDNA sequencing] ''[[Molecular Phylogenetics and Evolution]]'' 27, 1, 143–155.</ref> |
The bighead sculpin is variously considered to belong either to the family [[Cottocomephoridae]],<ref name=FB/> [[Cottidae]]<ref>William Eschmeyer (2015) [http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?spid=43230 ''baicalensis, Cottus''] {{webarchive |url=https://web.archive.org/web/20150214201902/http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?spid=43230 |date=February 14, 2015 }}. [[Catalog of Fishes]]. California Academy of Sciences.</ref> or [[Abyssocottidae]].<ref>Tytti Kontula, Sergei V. Kirilchik, Risto Väinölä (2003) [http://www.sciencedirect.com/science/article/pii/S1055790302003767 Endemic diversification of the monophyletic cottoid fish species flock in Lake Baikal explored with mtDNA sequencing] ''[[Molecular Phylogenetics and Evolution]]'' 27, 1, 143–155.</ref> |
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Revision as of 01:40, 31 May 2017
| Bighead sculpin | |
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| Species: | B. baicalensis
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| Binomial name | |
| Batrachocottus baicalensis Dybowski, 1874
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Cottus baicalensis Dybowski, 1874 | |
The bighead sculpin (Batrachocottus baicalensis), is a species of sculpin fish that is endemic to the Lake Baikal watershed in eastern Siberia, Russia.[1] It typically lives on rocky bottoms, often in places with sponges, at depths of 5 to 70 m (16–230 ft), but can occur as deep as 120 m (390 ft).[2] Its colour varies from grayish to brownish or greenish depending on the bottom type.[2] It can reach up to 22 cm (8.7 in) in length, but most are 13–16 cm (5.1–6.3 in).[2] It feeds on a wide range of smaller animals such as fish larvae, insect larvae, amphipods, molluscs and oligochaetes.[2] Breeding is in the spring where the female lays 618 to 1622 eggs.[2]
The bighead sculpin is variously considered to belong either to the family Cottocomephoridae,[1] Cottidae[3] or Abyssocottidae.[4]
References
- ^ a b Froese, Rainer; Pauly, Daniel, eds. (2015). "Batrachocottus baicalensis". FishBase.
- ^ a b c d e "Байкальская большеголовая широколобка" (in Russian). zooex.baikal.ru. Retrieved 31 May 2017.
- ^ William Eschmeyer (2015) baicalensis, Cottus Archived February 14, 2015, at the Wayback Machine. Catalog of Fishes. California Academy of Sciences.
- ^ Tytti Kontula, Sergei V. Kirilchik, Risto Väinölä (2003) Endemic diversification of the monophyletic cottoid fish species flock in Lake Baikal explored with mtDNA sequencing Molecular Phylogenetics and Evolution 27, 1, 143–155.