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Inachus dorsettensis (Pennant 1777)

Comprehensive Description ( anglais )

fourni par Smithsonian Contributions to Zoology
Inachus dorsettensis (Pennant)

Cancer dorsettensis Pennant, 1777:8, pl. 9A: fig. 18.

Pseudocollodes complectens Rathbun, 1911:248, pl. 20: fig. 4 [new synonymy].

Inachus dorsettensis.—Barnard, 1950:29–30, fig. 5d–e.—Monod, 1956:526–529, figs. 715–722.

MATERIAL EXAMINED.—7 , 6 , (5 ovig.), 6.8–17.1 mm, smallest ovig. , 7.5 mm (12, USNM 135172–75; 1, AM P.17787).

Anton Bruun Cruises: E of Lourenço Marques, Sta. 370G or 372L, 112–347 m, 3 specs. Off Cape Guardafui, 70–82 m, Sta. 442, 70–80 m, 1 spec; Sta. 444, 78–82 m, 2 specs. Mouth of Gulf of Aden, Sta. 463, 75–175 m, 7 specs.

DISTRIBUTION.—Eastern Atlantic from the coast of Norway to South Africa, extending into the western Indian Ocean to Lourenço Marques, the Seychelles, and north to the mouth of the Gulf of Aden.
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citation bibliographique
Griffin, D. J. G. and International Indian Ocean Expedition, 1962-. 1974. "Spider crabs (Crustacea: Brachyura: Majidae) from the International Indian Ocean Expedition, 1963-1964." Smithsonian Contributions to Zoology. 1-35. https://doi.org/10.5479/si.00810282.182

Comprehensive Description ( anglais )

fourni par Smithsonian Contributions to Zoology
Inachus dorsettensis (Pennant, 1777)

Cancer Dorsettensis Pennant, 1777:8, pl. 9A: fig. 18.

Inachus dorsettensis.—A. Milne Edwards and Bouvier, 1899:45 [key], 46 [Azores]; 1900:143 [?part; Ilhas Desertas; Spanish Sahara].—Balss, 1922:72 [listed].—Bouvier, 1922:79 [Canary Islands].—Monod, 1933b:503 [p. 48 on separate; listed].—Capart, 1951:70 [part; Spanish Sahara].—Maurin, 1968a:31 [Morocco]; 1968b:489 [Mauritania].—Zariquiey Alvarez, 1968:472, figs, 157f, 159b, 160b [Spain; references].—Christiansen, 1969:100, fig. 41, map 34 [North Atlantic].—Türkay, 1976a:26 [listed], 40, fig. 34 [Portugal, Morocco].

SYNONYMS.—?Cancer dodecos Linnaeus, 1767; Macropus parvirostris Risso, 1816; Doclea fabriciana Risso, 1827.

DISTRIBUTION.—Eastern Atlantic, from the Hebrides southward to Mauritania (?), including the Azores and the Canary Islands; Mediterranean; ?South Africa. Sublittoral, from a few meters to about 110 m. All of these records require verification.

*Inachus grallator, new species

?Inachus dorsettensis.—A. Milne Edwards and Bouvier, 1900: 143 [part?: Cape Verde Islands, 75–90 and 318 m].—Doflein, 1904:72 [Banc de la Seine; Spanish Sahara].—Odhner, 1923:19 [Angola, 72–108 m].—Monod, 1956:526 [? part].—Longhurst, 1958:89 [Sierra Leone, 72–118 m].—Guinot and Ribeiro, 1962:77 [Angola, 150–220 m].

Inachus dorsettensis.—Capart, 1951:70, fig. 21, pl. 1: fig. 6, pl. 2: fig. 11 [part, not specimens from Spanish Sahara?].—Crosnier, 1970:1218. [Not Inachus dorsettensis (Pennant, 1777).]

MATERIAL EXAMINED.—Pillsbury Material: Nigeria: Sta 255, 264–269 m, 3 (includes holotype), 1 (L, W).

Undaunted Material: Angola: Sta 96, 162 m, 1 (L).

Other Material: Congo: 05°03′S, 11°23′E, 247–250 m, sandy mud, 23 Jan 1968, A. Crosnier, 3 ov (W).

DESCRIPTION.—Carapace (Figure 73a) distinctly longer than broad, length 1.06 to 1.12 times width. Gastric region of carapace with 4 tubercles in transverse row anterior to erect gastric spine. Cardiac region of carapace with erect dorsal spine. Each branchial region with shorter erect spine, not markedly recurved anteriorly, and with dorsal tubercle anterior to each spine. Hepatic lobe with 2 distinct tubercles, and smaller, less conspicuous tubercles scattered on surface. Rostrum (Figures 73b, 74b) short, spines broad, lateral margins convergent anteriorly. Eyes large, but not extending laterally beyond strong postorbital spine. Interantennular spine well developed, clearly visible in dorsal view (Figure 73a,b) overreaching rostral spines in some specimens. Branchial margin of carapace tuberculate, anteriorly continuous with free epimeral margin. Basal antennal segment (Figure 73b) with row of tubercles, posteriormost largest, anterolateral angle lacking prominent spine.

Chelipeds subequal to or slightly longer than carapace, slender, not markedly inflated (slightly inflated in some males), equal and similar in both sexes; ischium with inner row of 4 or 5 erect tubercles; merus rounded, with low, blunt spines and tubercles, primarily on ventral surface; carpus with scattered small tubercles and spinules; palm covered with small, blunt spines; dactylus much longer than palm, cutting edge lacking enlarged proximal tooth or teeth.

Second pereiopod (Figure 74c) about 4 (3.8 to 4.5, mean 4.1) times as long as carapace, very slender, merus, propodus, and dactylus each longer than carapace; dactylus unarmed, subequal to or slightly shorter than propodus. Third pereiopod not extending to end of propodus of second, overreaching carpus of second by half of propodus and all of dactylus; latter shorter than propodus, lacking subdistal spines ventrally. Fourth pereiopod extending to or slightly overreaching propodus of third; dactylus slightly curved, with 2 low, subdistal tubercles, subequal to propodus. Fifth pereiopod (Figure 74d,e) scarcely overreaching propodus of fourth by tip of dactylus; latter similar to those of third and fourth pereiopods, subequal to propodus, with 2 subapical tubercles apically. Male pleopod shown in Figure 73c.

MEASUREMENTS.—Carapace lengths of males 14.2 to 15.5 mm, of non-ovigerous females 12.7 to 13.0 mm, of ovigerous females 14.5 to 14.6 mm.

DISTRIBUTION.—West Africa, from a few localities between Nigeria and Angola. Records in the literature include the following:

Gabon: 45 mi [72.5 km] NxE of Port-Gentil, 00°S, 08°–58′E, 250–300 m (Capart, 1951).

Angola: 25 mi [40 km] WNW of Ambriz, 07°39′S, 12°47′40″E, 100 m; 8 mi [12.8 km] NxE of Baía dos Elefantes, 13°05′S, 12°46′E, 100–110 m; 18 mi [29 km] WSW of Baía dos Tigres, 16°36′S, 11°27′E, 110 m (all Capart, 1951). 16°37′S, 11°22′E, 126 m (Crosnier, 1970).
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citation bibliographique
Manning, Raymond B. and Holthuis, L. B. 1981. "West African Brachyuran crabs." Smithsonian Contributions to Zoology. 1-379. https://doi.org/10.5479/si.00810282.306

Scorpion spider crab ( anglais )

fourni par wikipedia EN

Inachus dorsettensis, commonly known as the scorpion spider crab, is a species of crab generally found on loose substrates (stony bottoms to mud) from 6 metres (20 ft) depth down to about 100 m (330 ft).[1] It is found along the east coast of the Atlantic Ocean from Norway to South Africa, and also in the Mediterranean Sea.[1]

Description

They are usually seen covered with sponge which they apply themselves. The carapace of a fully grown male is roughly 30 millimetres (1.2 in) long and slightly narrower than it is long.[1] I. dorsettensis resembles the closely related species Inachus phalangium, but has more prominent spines on the carapace.[1] They molt, with the intermolting period being shorter the warmer the water they reside in is.[2]

References

  1. ^ a b c d P. J. Hayward; M. J. Isaac; P. Makings; J. Moyse; E. Naylor & G. Smaldon (1995). "Crustaceans". In P. J. Hayward & John Stanley Ryland (eds.). Handbook of the Marine Fauna of North-west Europe. Oxford University Press. pp. 289–461. ISBN 978-0-19-854055-7.
  2. ^ R.G. Hartnoll; A.D. Bryant (2001). Growth to maturity of juveniles of the spider crabs Hyas coarctatus Leach and Inachus dorsettensis. Journal of Experimental Marine Biology and Ecology.
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Scorpion spider crab: Brief Summary ( anglais )

fourni par wikipedia EN

Inachus dorsettensis, commonly known as the scorpion spider crab, is a species of crab generally found on loose substrates (stony bottoms to mud) from 6 metres (20 ft) depth down to about 100 m (330 ft). It is found along the east coast of the Atlantic Ocean from Norway to South Africa, and also in the Mediterranean Sea.

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Inachus dorsettensis ( espagnol ; castillan )

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La araña escorpión de mar (Inachus dorsettensis) es una especie de crustáceo decápodo de la familia Inachidae.[1]

Descripción

El caparazón mide 3,5 cm como máximo y frecuentemente se encuentra cubierto por esponjas o hidroides.[2]​ Presenta un dorso muy espinoso.[3]​ El rostro es corto y la zona ventral tiene 4 pequeñas protuberancias anteriores.[3]​ Su coloración es pardo rojiza en el dorso, mostrando los machos los quelípedos de color rosa o violeta.[2]

Distribución y hábitat

Es una especie marina, propia del Atlántico nororiental, desde Noruega hasta el Sahara Occidental, así como del mar Mediterráneo.[2]​ Frecuente sobre colonias profundas de algas, de entre 10 a 40 m, menos común sobre fondos sedimentarios de hasta más de 100 m.[3]

Referencias

  1. Fransen, C.; Türkay, M. (2012). World Register of Marine Species, ed. «Inachus dorsettensis (Pennant, 1777).». Consultado el 29 de febrero de 2012.
  2. a b c Ingle, R. W. (1997). Crayfishes, Lobsters, and Crabs of Europe: an illustrated guide to common and traded species (en inglés). Londres, Reino Unido: Chapman & Hall. pp. 281. ISBN 0 412 71060 9.
  3. a b c Riedl, R. (2011). Fauna y Flora del Mar Mediterráneo. Barcelona, España: Ediciones Omega. p. 904. ISBN 978-84-282-0767-6.
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Inachus dorsettensis: Brief Summary ( espagnol ; castillan )

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La araña escorpión de mar (Inachus dorsettensis) es una especie de crustáceo decápodo de la familia Inachidae.​

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Inachus dorsettensis ( basque )

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Inachus dorsettensis Brachyura azpiordenako krustazeo dekapodoa da, Inachidae familiakoa.[1] Ipar-ekialdeko Ozeano Atlantiko osoko kostaldeetan eta Mediterraneokoetan bizi da.

Erreferentziak

  1. P. J. Hayward, M. J. Isaac, P. Makings, J. Moyse, E. Naylor & G. Smaldon (1995) Handbook of the Marine Fauna of North-west Europe Oxford University Press 289–461 or. ISBN 978-0-19-854055-7.


Biologia Artikulu hau biologiari buruzko zirriborroa da. Wikipedia lagun dezakezu edukia osatuz.
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Inachus dorsettensis: Brief Summary ( basque )

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Inachus dorsettensis Brachyura azpiordenako krustazeo dekapodoa da, Inachidae familiakoa. Ipar-ekialdeko Ozeano Atlantiko osoko kostaldeetan eta Mediterraneokoetan bizi da.

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Gestekelde sponspootkrab ( néerlandais ; flamand )

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De gestekelde sponspootkrab (Inachus dorsettensis) is een krab uit de familie Inachidae (vroeger ondergedeeld bij de Majidae), die niet zeldzaam is op enige afstand voor de Nederlandse en Belgische kust.

Anatomie

De gestekelde sponspootkrab heeft een peervormig, driehoekig carapax, waarvan de grootste breedte maximaal 30 mm bedraagt. Ze bezit gesteelde ogen die terugklapbaar zijn. De rugzijde van de carapax bezit stompe stekels op de afgelijnde gastricale, cardiacale en branchiale regionen. Het gehele lichaam, poten incluis, is bovendien bedekt met korte, rechte en haakvormige setae. De gestekelde sponspootkrab is meestal grijsgeel tot grijsbruin. De voorste rand van het rugschild bezit een kort tweetandig rostrum. De schaarpoten zijn vrij kort en breder dan de slanke pereopoden. Ze camoufleren zich actief met poliepen, sponzen en ander dierlijk en plantaardig materiaal.[2]

Verspreiding en ecologie

De gestekelde sponspootkrab komt voor op gemengde bodems met stenen, grind of zand, vaak in de nabijheid van zeeanemonen, vanaf de getijdenzone tot op 100 m diepte. Het is een Oost-Atlantische soort die gevonden wordt van het noorden van Noorwegen, tot in Noord-Afrikaanse kustwateren en in Zuid-Afrika.[3]
Ze eten voornamelijk hydroïdpoliepen, borstelwormen, kleine kreeftachtigen, weekdieren, slangsterren, mosdiertjes en zee-egels en in mindere mate algen.

Bronnen, noten en/of referenties
  1. Pennant T. (1777). British Zoology. Vol. IV. Crustacea, Mollusca, Testacea. London: 1-156
  2. Adema J.P.H.M. (1991). De krabben van Nederland en België (Crustacea, Decapoda, Brachyura). Nationaal Natuurhistorisch Museum, Leiden: i-xii + 1-244 + pl. 1-2. ISBN 90-73239-02-8.
  3. d'Udekem d'Acoz C. (2003). Crustikon: Inachus dorsettensis (Pennant, 1777). Tromsø Museum. Via Internet Archive.
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Gestekelde sponspootkrab: Brief Summary ( néerlandais ; flamand )

fourni par wikipedia NL

De gestekelde sponspootkrab (Inachus dorsettensis) is een krab uit de familie Inachidae (vroeger ondergedeeld bij de Majidae), die niet zeldzaam is op enige afstand voor de Nederlandse en Belgische kust.

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Inachus dorsettensis ( portugais )

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Inachus dorsettensis (Pennant, 1777) é uma espécie de crustáceo decápode da família Inachidae[1] pertencente ao grupo dos caranguejos-aranha (Majoidea), com distribuição natural nas costas atlântica e mediterrânica da Europa e do norte de África.

Descrição

A carapaça mede 3,5 cm de comprimento máximo e está frequentemente recoberta por esponjas ou hidroides.[2] Apresenta um dorso muito espinhoso,[3] o rostro curto e a zona ventral com quatro pequenas protuberâncias anteriores.[3] A coloração corporal é cinza-avermelhada no dorso, com os machos a apresentarem quelípodos de coloração rosa ou violeta.[2]

A espécie é marinha, com distribuição natural nas águas costeiras do Atlântico nordeste, desde a Noruega ao Sahara Ocidental, e do Mar Mediterrâneo.[2] Ocorre preferencialmente sobre colónias profundas de algas, a profundidades entre 10 a 40 m, sendo menos comum sobre fundos sedimentares até aos 100 m de profundidade.[3]

Notas

  1. Fransen, C.; Türkay, M. (2012). World Register of Marine Species, ed. «Inachus dorsettensis (Pennant, 1777).». Consultado em 29 de fevereiro de 2012
  2. a b c Ingle, R. W. (1997). Crayfishes, Lobsters, and Crabs of Europe: an illustrated guide to common and traded species (em inglês). Londres, Reino Unido: Chapman & Hall. 281 páginas. ISBN 0 412 71060 9
  3. a b c Riedl, R. (2011). Fauna y Flora del Mar Mediterráneo (em espanhol). Barcelona, España: Ediciones Omega. 904 páginas. ISBN 978-84-282-0767-6

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Inachus dorsettensis: Brief Summary ( portugais )

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Inachus dorsettensis (Pennant, 1777) é uma espécie de crustáceo decápode da família Inachidae pertencente ao grupo dos caranguejos-aranha (Majoidea), com distribuição natural nas costas atlântica e mediterrânica da Europa e do norte de África.

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Inachus dorsettensis ( vietnamien )

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Inachus dorsettensis hay Cua nhện bọ cạp là một loài cua thuộc họ Inachidae. Bên ngoài cơ thể chúng phủ đầy bọt biển. Chúng thường được tìm thấy trên bề mặt đáy nhão (đáy đá và bùn) từ độ sâu 6 m (20 ft) đến khoảng 100 m (330 ft)[1]. Nó được tìm thấy dọc theo bờ biển phía đông của Đại Tây Dương từ Nauy tới Nam Phi, và cũng trong vùng biển Địa Trung Hải[1].

Mô tả

Chúng thường có bọt biển phủ bên ngoài. Mai của một con đực trưởng thành hoàn toàn dài khoảng 30 mm (1.2 in) dài và bề ngang hẹp hơn một chút so với bề dài. I. dorsettensis giống như các loàiInachus phalangium liên quan chặt chẽ, nhưng có gai nổi bật hơn trên mai[1].

Chú thích

  1. ^ a ă â P. J. Hayward, M. J. Isaac, P. Makings, J. Moyse, E. Naylor & G. Smaldon (1995). “Crustaceans”. Trong P. J. Hayward & John Stanley Ryland. Handbook of the Marine Fauna of North-west Europe. Oxford University Press. tr. 289–461. ISBN 9780198540557.

Tham khảo


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Inachus dorsettensis: Brief Summary ( vietnamien )

fourni par wikipedia VI

Inachus dorsettensis hay Cua nhện bọ cạp là một loài cua thuộc họ Inachidae. Bên ngoài cơ thể chúng phủ đầy bọt biển. Chúng thường được tìm thấy trên bề mặt đáy nhão (đáy đá và bùn) từ độ sâu 6 m (20 ft) đến khoảng 100 m (330 ft). Nó được tìm thấy dọc theo bờ biển phía đông của Đại Tây Dương từ Nauy tới Nam Phi, và cũng trong vùng biển Địa Trung Hải.

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