• Thumbnail for Pacifastacus
    Pliocene) Pacifastacus connectens Pacifastacus fortis – Shasta crayfish Pacifastacus gambelii Pacifastacus leniusculus – signal crayfish †Pacifastacus nigrescens...
    1 KB (77 words) - 04:16, 25 October 2023
  • Thumbnail for Signal crayfish
    ISBN 978-0-12-821339-1. James W. Fetzner Jr. (January 14, 2008). "Pacifastacus (Pacifastacus) leniusculus leniusculus (Dana, 1852). Signal crayfish". Crayfish...
    13 KB (1,372 words) - 14:06, 10 October 2024
  • Thumbnail for Pacifastacus fortis
    Competitors include the signal crayfish (Pacifastacus leniusculus) and the smallmouth bass (Micropterus dolomieu). Pacifastacus fortis is listed as a critically...
    13 KB (1,370 words) - 03:45, 23 October 2024
  • Thumbnail for Pacifastacus nigrescens
    Pacifastacus nigrescens, the sooty crayfish, is an extinct species of crayfish in the family Astacidae. It was originally described in 1857 by William...
    2 KB (208 words) - 20:13, 12 August 2023
  • Thumbnail for Crayfish as food
    crayfish, Astacus astacus, and even of a transplanted American species, Pacifastacus leniusculus, is very limited, and to satisfy demand, the majority of...
    19 KB (1,987 words) - 16:33, 29 September 2024
  • Thumbnail for Astacidae
    (Thanetian) Pacifastacus Bott, 1950 †Pacifastacus chenoderma (Cope, 1871) - Idaho, USA Pacifastacus connectens (Faxon, 1914) - Idaho, USA Pacifastacus fortis...
    8 KB (615 words) - 15:43, 10 June 2024
  • Thumbnail for Crayfish
    under threat by imported species, particularly the signal crayfish (Pacifastacus leniusculus). Crayfish are also considered an invasive predatory species...
    50 KB (4,932 words) - 19:39, 1 November 2024
  • Thumbnail for Cambaroides japonicus
    corruption of water quality and the spread of the American crayfish Pacifastacus leniusculus, which was imported in the 20th century and has steadily...
    4 KB (365 words) - 00:34, 14 June 2024
  • Thumbnail for Crayfish plague
    Melanization of ventral chela of colonized Pacifastacus leniusculus...
    9 KB (836 words) - 13:58, 10 October 2024
  • Thumbnail for Astacus
    Pacifastacus...
    6 KB (387 words) - 18:31, 26 October 2024
  • Thumbnail for Astacus astacus
    plague carried by the invasive North American species signal crayfish (Pacifastacus leniusculus), so is listed as a vulnerable species on the IUCN Red List...
    7 KB (729 words) - 21:12, 29 October 2024
  • Thumbnail for Pontastacus
    Pacifastacus...
    3 KB (181 words) - 10:40, 16 October 2023
  • Beating of the maxillipeds of the crayfish Pacifastacus leniusculus captured at a frame rate of 1000 Hz...
    25 KB (3,122 words) - 13:35, 14 January 2024
  • Thumbnail for Introduced species of the British Isles
    others such as the grey squirrel (Sciurus carolinensis), signal crayfish (Pacifastacus leniusculus), and Japanese knotweed (Fallopia japonica) have had a severe...
    26 KB (2,251 words) - 16:00, 20 October 2024
  • fario) are also resident in the river. There are also signal crayfish (Pacifastacus leniusculus) in the river with most of the crayfish being small in size...
    3 KB (323 words) - 21:03, 1 November 2024
  • Thumbnail for Austropotamobius pallipes
    decline are: Introduction of the invasive North American signal crayfish (Pacifastacus leniusculus) and red swamp crayfish (Procambarus clarkii): The former...
    8 KB (783 words) - 22:00, 5 May 2024
  • Thumbnail for Faxonius limosus
    streams, rather than the clear water usually preferred by crayfish. Like Pacifastacus leniusculus, another invasive North American crayfish, F. limosus carries...
    7 KB (639 words) - 13:23, 15 January 2024
  • Thumbnail for List of North American animals extinct in the Holocene
    13 November 2021. Schuster, G.A.; Taylor, C.A.; Cordeiro, J. (2010). "Pacifastacus nigrescens". IUCN Red List of Threatened Species. 2010: e.T15867A5247659...
    130 KB (5,807 words) - 18:48, 2 October 2024
  • Thumbnail for Mesa (river)
    disappeared owing to the introduction of the North American signal crayfish (Pacifastacus leniusculus). It rises near Selas, in the province of Guadalajara, Castile-La...
    3 KB (168 words) - 19:21, 29 October 2024
  • Thumbnail for List of invasive alien species of Union concern
    Crustacea 2016 Oxyura jamaicensis Gmelin, 1789 Ruddy duck Aves 2016 Pacifastacus leniusculus Dana, 1852 Signal crayfish Crustacea 2016 Parthenium hysterophorus...
    13 KB (422 words) - 14:44, 25 July 2024
  • species Cambarellus alvarezi Macrobrachium leptodactylus Sooty crayfish (Pacifastacus nigrescens) Sandhills crayfish (Procambarus angustatus) Rubious cave...
    10 KB (764 words) - 00:45, 2 November 2024
  • Thumbnail for Lake Constance
    (Eriocheir sinensis), and in the lake's tributaries, the signal crayfish (Pacifastacus leniusulus). As these species of large crayfish are immune to crayfish...
    98 KB (10,375 words) - 17:57, 2 November 2024
  • Thumbnail for List of invasive non-native species in England and Wales
    August 2016 Muntjac deer Muntiacus reevesi 3 August 2016 Signal crayfish Pacifastacus leniusculus 3 August 2016 Pond slider (all subspecies) Trachemys scripta...
    8 KB (147 words) - 10:51, 12 June 2024
  • Thumbnail for List of edible invasive species
    salmoides) Marbled crayfish (Procambarus virginalis) Signal crayfish (Pacifastacus leniusculus) Mediterranean mussel (Mytilus galloprovincialis) Mozambique...
    8 KB (582 words) - 13:18, 12 September 2024
  • immunis, paper shell crayfish Faxonius limosus, spiny cheek crayfish Pacifastacus leniusculus, Signal Crayfish Procambarus alleni, Blue crayfish Procambarus...
    9 KB (846 words) - 18:35, 3 September 2024
  • Specifically two invasive species of crayfish, Procambarus clarkii and Pacifastacus leniusculus, are predators of the freshwater bivalve species Anodonta...
    23 KB (2,681 words) - 08:26, 15 August 2024
  • Limnoria quadripunctata (gribble) [46] Orconectes virilis (virile crayfish) Pacifastacus leniusculus (signal crayfish) Procambarus clarkii (red swamp crawfish)...
    29 KB (2,330 words) - 16:43, 28 October 2024
  • Thumbnail for Cowside
    Chadwick, Daniel David Adrian (2019). Invasion of the signal crayfish, 'Pacifastacus leniusculus', in England : implications for the conservation of the white-clawed...
    17 KB (1,892 words) - 22:03, 11 April 2024
  • Thumbnail for Piedra (Spain)
    disappeared owing to the introduction of the North American signal crayfish (Pacifastacus leniusculus). It rises near Campillo de Dueñas, in the province of Guadalajara...
    7 KB (493 words) - 05:24, 30 October 2024
  • sinensis (Chinese mitten crab) Orconectes limosus (Eastern crayfish) Pacifastacus leniusculus (Signal crayfish) Procambarus clarkii (Louisiana crawfish)...
    7 KB (546 words) - 03:46, 18 July 2024