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Diagnostic Description ( الإنجليزية )

المقدمة من Caprellids LifeDesk

Length: 9-13 mm. Head and body smooth except for antero-lateral projections on pereonites 2, 3 + 4. Head angular at front. Body and gnathopods 2 covered in minute sensory hairs. Antenna 1 approximately equal to cephalon plus pereonite 2, peduncle articles 2 and 3 setose; antenna 2 longer than antenna 1 peduncle, flagellum with short setae. Gnathopod 1 with serrate grasping margin to propodus and dactylus. Gnathopod 2 attached posterior to median of pereonite 2; basis with lateral and median anterior ridges; propodus very large, width less than half length; palmar surface with small proximal spine, prominent distal poison spine separated by cleft from more distal triangular projection. Dactylus heavy and slightly curved, inner margin slightly denticulate. Gills round. Pereopods 5 to 7 increase in length; propodus palm concave with proximal grasping spines. Female differs in having short pereonite 1; gnathopod 2 propodus palm has proximal grasping spine and accessory spine, distal minute poison spine; pereopods much more slender.

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Ashton, Gail
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Caprellids LifeDesk

Distribution ( الإنجليزية )

المقدمة من Caprellids LifeDesk

China; Vladivostok and Beringa Is. Russia; Akkeshi Bay, Japan; Alaska; Coos Bay (OR)

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Caprellids LifeDesk

General Description ( الإنجليزية )

المقدمة من Caprellids LifeDesk

Caprellid, “Ghost” or “Skeleton” shrimps, so called for their skeletal appearance. Amphipod crustaceans, easily distinguished by the elongate stick-like body form and reduction of the abdominal appendages. Head is generally fused with pereonite 1. Pereopods on first 2 segments (pereonites) are most flexible and called gnathopods; gnathopods 2 being the largest, used in defense, feeding and substrate attachment. In many species pereopods 3 and 4 may also be reduced or absent. Gills on pereonites 3 + 4, rarely on pereonite 2. Pereopods 5 - 7 much smaller than 1 + 2, used for clinging to the substratum. In females, brood plates (öostegites) develop on pereonites 3 + 4. Much remains to be learnt about their biology, ecology and in many cases changing distributions.

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Caprellids LifeDesk

Habitat ( الإنجليزية )

المقدمة من Caprellids LifeDesk

Surface – 15m. In fouling communities

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Caprellids LifeDesk

Notes ( الإنجليزية )

المقدمة من Caprellids LifeDesk

Probably introduced to Coos Bay (Oregon, N. America) in ship fouling from Japan; now known from as far south as San Francisco Bay (Ashton pers. obs.)

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Caprellids LifeDesk

Specimens ( الإنجليزية )

المقدمة من Caprellids LifeDesk

National Museum of Natural History, Washington DC: (NMNH) 13331; Chamisso Harbor; Esch-Scholts Bay; Alaska; WHDall 3677 (1701) 5-8 ftms; (NMNH) 13446; Bering Island; Commander Ids; Siberia; Leonhard Stiejneger; 1882-83 (no. 2383 4)

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Caprellids LifeDesk

Caprella drepanochir ( البلجيكية الهولندية )

المقدمة من wikipedia NL

Caprella drepanochir is een vlokreeftensoort uit de familie van de Caprellidae.[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1890 door Mayer.

Bronnen, noten en/of referenties
  1. Lowry, J. (2012). Caprella drepanochir Mayer, 1890. Geraadpleegd via: World Register of Marine Species op http://www.marinespecies.org/aphia.php?p=taxdetails&id=423256
Geplaatst op:
20-03-2013
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Caprella drepanochir ( النرويجية )

المقدمة من wikipedia NO

Caprella drepanochir er en art i slekten Caprella innenfor spøkelseskreps-familien (orden Caprelloidea eller «spøkelsestanglopper») - en type tanglopper. Larvene er planktoniske. De er relativt små, med to store ot to små antenner. De lever bare i havet (saltvann), og er utbredt i farvannene ved Sibir og Japan.

Arten ble oppdaget i forbindelse med Siboga-ekspedisjonen i det nordlige Stillehavet. Den kan bli 9-13 mm lang og lever ned til 15 meters dyp.

Taksonomisk plassering

Slektens systematikk er i nyere tid beskrevet og oppdatert i 2003.[1] Artens moderne tilhørighet i Caprella-krepsenes systematikk gis nedenfor i lys av 2013-revisjonen med basis i WoRMS-databasen. [2]

Referanser

  1. ^ Myers A.A. & Lowry J.K«., [0443:APAANC[død lenke]2.0.CO;2 A phylogeny and a new classification of the Corophiidea Leach, 1814 (Amphipoda)]», i. Journal of Crustacean Biology, nr 23, 2003, side 443-485.
  2. ^ (en) Caprella drepanochir – oversikt og omtale av artene i WORMS-databasen - WoRMS. Besøkt 4. mars 2014.

Eksterne lenker

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Caprella drepanochir: Brief Summary ( النرويجية )

المقدمة من wikipedia NO

Caprella drepanochir er en art i slekten Caprella innenfor spøkelseskreps-familien (orden Caprelloidea eller «spøkelsestanglopper») - en type tanglopper. Larvene er planktoniske. De er relativt små, med to store ot to små antenner. De lever bare i havet (saltvann), og er utbredt i farvannene ved Sibir og Japan.

Arten ble oppdaget i forbindelse med Siboga-ekspedisjonen i det nordlige Stillehavet. Den kan bli 9-13 mm lang og lever ned til 15 meters dyp.

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