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Diagnostic Description

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Length: 7-12mm. Head with anteriorly directed triangular projection, body smooth otherwise. Pleura developed on pereonites 3 and 4 in larger males. Antenna 1 peduncle inflated in males, sparsely setose. Gnathopod 1 robust, dactylus serrate, propodus with 2 proximal grasping spines. Gnathopod 2 propodus with proximal poison tooth and distal rectangular projection, palm densely setose; dactylus strong and constricted medially, distal end slightly serrate. Gills oval and usually quite large and inflated. Pereopods 5 - 7 propodus with 2 median grasping spines, palm convex. Females differ in gnathopod 2 with proximal poison tooth, distal projection and small mid-distal projections; gills more elliptical

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Distribution

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North Sea; Netherlands; Belgium; Portugal; Mediterranean Spain; France; Italy; Aegean Sea; Tokyo; Honolulu; Sea of Japan; Korean Strait; Japan; New Jersey (Ocean City); Bay of Biscay

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General Description

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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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Habitat

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Often attaches to floating objects- thus isolated from other members of the former ‘acutifrons’ group.

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Notes

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Originally part of the compound species C. acutifrons Mayer 1890; now many of these forms are considered full species. Similar to C. penantis, differing most obviously in having a convex palm, with medial grasping spines on propodus of pereopods 5 - 7.

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Specimens

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National Museum of Natural History, Washington DC: (NMNH) 113051

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Caprella andreae ( Dutch; Flemish )

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Caprella andreae 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. Costello, M.; Bellan-Santini, D. (2012). Caprella andreae Mayer, 1890. In: Lowry, J. (2012) World Amphipoda database. Geraadpleegd via: World Register of Marine Species op http://www.marinespecies.org/aphia.php?p=taxdetails&id=101825
Geplaatst op:
20-03-2013
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Caprella andreae ( Norwegian )

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Caprella andreae 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 og to små antenner. De lever bare i havet (saltvann), og er utbredt i farvannene i Gulehavet, Atlanterhavet inklusive Karibia, samt i Middelhavet. Den lever nord til Irland og Nordsjøen.

Dette krepsdyret er 7-12 mm langt.

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 andreae – oversikt og omtale av artene i WORMS-databasen - WoRMS. Besøkt 4. mars 2014.

Eksterne lenker

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Caprella andreae: Brief Summary ( Norwegian )

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Caprella andreae 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 og to små antenner. De lever bare i havet (saltvann), og er utbredt i farvannene i Gulehavet, Atlanterhavet inklusive Karibia, samt i Middelhavet. Den lever nord til Irland og Nordsjøen.

Dette krepsdyret er 7-12 mm langt.

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