Platynereis bicanaliculata: Difference between revisions
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{{AFC comment|1=I love that worm's face, thanks for the article! [[User:Chaotic Enby|<span style="color:#8a7500">Chaotic <span style="color:#9e5cb1">Enby</span></span>]] ([[User talk:Chaotic Enby|talk]] · [[Special:Contributions/Chaotic Enby|contribs]]) 00:36, 19 June 2024 (UTC)}} |
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{{Short description|Species description of marine worm}} |
{{Short description|Species description of marine worm}} |
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{{Draft topics|biology}} |
{{Draft topics|biology}} |
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{{AfC topic|stem}} |
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{{AfC submission|||ts=20240618230223|u=Pebisgambit|ns=118}} |
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{{Speciesbox |
{{Speciesbox |
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| image = Platynereis bicanaliculata 178401846.jpg |
| image = Platynereis bicanaliculata 178401846.jpg |
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| authority = Baird, 1863 |
| authority = Baird, 1863 |
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'''''Platynereis bicanaliculata''''' is a [[species]] of [[Marine (ocean)|marine]] [[Polychaete|polychaete worm]] in the family [[Nereididae]]. |
'''''Platynereis bicanaliculata''''' is a [[species]] of [[Marine (ocean)|marine]] [[Polychaete|polychaete worm]] in the family [[Nereididae]]. |
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== Description == |
== Description == |
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''Platynereis bicanaliculata'' ranges widely in color from white, pink, yellow, orange, green, or brown, often appearing to have an [[Iridescence|iridescent]] sheen. It has thick, conical [[Parapodium|parapodia]]. Its [[notopodia]] have simple, dark brown, two-lobed falcigers ([[Seta|setae]]) with hooked tips. Like other nereids, ''Platynereis bicanaliculata'' has two paired jaws in an eversible [[pharynx]], with ridged paragnaths and 6-7 [[Sclerotised|sclerotized]] "[[Tooth|teeth]]" on the surface of the pharynx.<ref name=":1" /><ref>{{Cite web |date=2021-08-17 |title=Nereididae |url=https://artsdatabanken.no/Pages/313954/Nereididae#:~:text=They%20are%20characterised,%20among%20other,and%20swarm%20towards%20the%20surface. |access-date=2024-06-18 |website=artsdatabanken.no |language=en}}</ref> Other defining characteristics include its slender, tentacular [[Cirrus (biology)|cirri]].<ref>[https://scamit.org/tools/toolbox-new/ANNELIDA/Class%20Polychaeta/Subclass%20Palpata/Order%20Aciculata/Suborder%20Phyllodocida/Infraorder%20Nereidiformia/Family%20Nereididae/Subfamily%20Nereidinae/Platynereis%20bicanaliculata/Platynereis%20bicanaliculata.pdf Voucher sheet, Platynereis bicanaliculata, Examined 8 November, 1982] </ref> |
''Platynereis bicanaliculata'' ranges widely in color from white, pink, yellow, orange, green, or brown, often appearing to have an [[Iridescence|iridescent]] sheen. It has thick, conical [[Parapodium|parapodia]]. Its [[notopodia]] have simple, dark brown, two-lobed falcigers ([[Seta|setae]]) with hooked tips. Like other nereids, ''Platynereis bicanaliculata'' has two paired jaws in an eversible [[pharynx]], with ridged paragnaths and 6-7 [[Sclerotised|sclerotized]] "[[Tooth|teeth]]" on the surface of the pharynx.<ref name=":1" /><ref>{{Cite web |date=2021-08-17 |title=Nereididae |url=https://artsdatabanken.no/Pages/313954/Nereididae#:~:text=They%20are%20characterised,%20among%20other,and%20swarm%20towards%20the%20surface. |access-date=2024-06-18 |website=artsdatabanken.no |language=en}}</ref> Other defining characteristics include its slender, tentacular [[Cirrus (biology)|cirri]].<ref>[https://scamit.org/tools/toolbox-new/ANNELIDA/Class%20Polychaeta/Subclass%20Palpata/Order%20Aciculata/Suborder%20Phyllodocida/Infraorder%20Nereidiformia/Family%20Nereididae/Subfamily%20Nereidinae/Platynereis%20bicanaliculata/Platynereis%20bicanaliculata.pdf Voucher sheet, Platynereis bicanaliculata, Examined 8 November, 1982] </ref> |
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== Ecology == |
== Ecology == |
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Revision as of 00:36, 19 June 2024
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Comment: I love that worm's face, thanks for the article! Chaotic Enby (talk · contribs) 00:36, 19 June 2024 (UTC)
| Platynereis bicanaliculata | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Clade: | Pleistoannelida |
| Subclass: | Errantia |
| Order: | Phyllodocida |
| Family: | Nereididae |
| Genus: | Platynereis |
| Species: | P. bicanaliculata
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| Binomial name | |
| Platynereis bicanaliculata Baird, 1863
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Platynereis bicanaliculata is a species of marine polychaete worm in the family Nereididae.
Distribution and habitat
Platynereis bicanaliculata has been observed along the coasts of several continents and islands of the Pacific Ocean; from Australia in the South Pacific to Japan and Taiwan in the North, Hawai'i in the Central Pacific, and North America from the Aleutian Islands to Baja California in the East. The species can be found in soft-bottomed bays and sounds, such as the Puget Sound and the San Francisco Bay, as well as protected rocky habitats along the open coastline, according to in situ observations.[1][2][3] It is a generally benthic species, and is most commonly found in shallow water.[4][5]
Description
Platynereis bicanaliculata ranges widely in color from white, pink, yellow, orange, green, or brown, often appearing to have an iridescent sheen. It has thick, conical parapodia. Its notopodia have simple, dark brown, two-lobed falcigers (setae) with hooked tips. Like other nereids, Platynereis bicanaliculata has two paired jaws in an eversible pharynx, with ridged paragnaths and 6-7 sclerotized "teeth" on the surface of the pharynx.[5][6] Other defining characteristics include its slender, tentacular cirri.[7]
Ecology
Diet
Gut content investigations revealed that, like most nereids, Platynereis bicanaliculata is omnivorous and mostly feeds on algae and diatoms.[5]
Reproduction
Like most polychaetes, Platynereis bicanaliculata is a gonochoric species.[8] Nereid polychaete worms like Platynereis bicanaliculata reproduce via epitoky, a process in which mature individuals transition from benthic to pelagic, swimming organisms by undergoing dramatic changes in body and behavior, in order to distribute their gametes into the free water column. Many nereid species die after a single reproduction phase.[4]
References
- ^ "Platynereis bicanaliculata". iNaturalist. Retrieved 2024-06-18.
- ^ Hutchings, Pat and Amanda Reid. "The Nereididae (Polychaeta) from Australia -- Leonnates, Platynereis and Solomononereis." Records of the Australian Museum, 1991.
- ^ "Wetland Restoration Field Guide: Platynereis bicanaliculata". www.msi-norco.ucsb.edu. Retrieved 2024-06-18.
- ^ a b "Polychaete reproductive physiology |". Johannes Gutenberg University Mainz. Retrieved 2024-06-18.
- ^ a b c Fauchald, Kristian and Peter A. Jumars. "The Diet of Worms: A Study of Polychaete Feeding Guilds". Aberdeen University Press, 1979. p. 224, 226
- ^ "Nereididae". artsdatabanken.no. 2021-08-17. Retrieved 2024-06-18.
- ^ Voucher sheet, Platynereis bicanaliculata, Examined 8 November, 1982
- ^ "Platynereis bicanaliculata". www.sealifebase.se. Retrieved 2024-06-18.