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Table 2 Overview of the macro-Crustacea encountered in the samples of the Belgian coastal harbours, with indication of the number of sites (out of a total of 43) where the species was recorded, their origin and the year of first detection of the alien species in Belgium. The vector of dispersal and the salinity range in their area of origin was given for all alien species. Alien species are presented in bold

From: Assessing the importance of alien macro-Crustacea (Malacostraca) within macroinvertebrate assemblages in Belgian coastal harbours

Order/family

Species

Origin

First occurrence in Belgium

Reference

# sites in coastal harbours

Vector

Salinity range (‰) native area

AMPHIPODA

Aoridae

Microdeutopus gryllotalpa Costa 1853

   

21

  

Caprellidae

Caprella linearis (Linnaeus 1767)

   

4

  

Caprella mutica Schurin 1935

Northeast-Asia

1998

Cook et al. (2007)

7

Ships

11–30

Corophiidae

Corophium acherusicum Costa 1851

   

13

  

Corophium crassicorne Bruzelius 1859

   

2

  

Corophium insidiosum Crawford 1937

   

2

  

Corophium lacustre Vanhöffen 1911

   

2

  

Corophium volutator (Pallas 1766)

   

1

  

Monocorophium sextonae (Crawford 1937)

New-Zeeland

<2000

Massin et al. (2002)

1

Unknown

10–30

Gammaridae

Dikerogammarus villosus (Sowinsky 1894)

Ponto-Caspian

1997

Messiaen et al. (2010)

5

Ships

0–20

Gammarus crinicornis Stock 1966

   

6

  

Gammarus duebeni Liljeborg 1852

   

4

  

Gammarus locusta Fabricius 1775

   

15

  

Gammarus tigrinus Sexton 1939

North-America

1991

Messiaen et al. (2010)

11

Ships, aquaculture

0–25

Hyperiidae

Hyperia galba (Montagu 1815)

   

1

  

Ischyroceridae

Jassa marmorata Holmes 1905

   

4

  

Melitidae

Melita nitida Smith 1873

North-America

2003

Faasse and Van Moorsel (2003)

1

Ships

3–20

Melita palmata (Montagu 1804)

   

21

  

Talitridae

Orchestia cavimana Heller 1865

Ponto-Caspian

1927

Wouters (2002)

1

Unknown

0–7

Orchestia gamarellus (Pallas 1766)

   

1

  

DECAPODA

Crangonidae

Crangon crangon (Linnaeus 1758)

   

4

  

Inachidae

Macropodia parva Van Noort and Adema 1985

   

1

  

Palaemonidae

Palaemon elegans Rathke 1837

   

1

  

Palaemon longirostris H Milne Edwards 1837

   

3

  

Palaemon macrodactylus Rathbun 1902

East-Asia

1998

Boets et al. (2011b)

1

Ships

2–20

Palaemon serratus (Pennant 1777)

   

10

  

Palaemonetes varians (Leach 1814)

   

3

  

Panopeidae

Rhithropanopeus harrisii (Gould 1841)

North-America

1985

Wouters (2002)

3

Ships

0.5–30

Porcellanidae

Pisidia longicornis (Linnaeus 1767)

   

3

  

Portunidae

Carcinus maenas (Linnaeus 1758)

   

20

  

Varunidae

Eriocheir sinensis H Milne Edwards 1853

East-Asia

1933

Wouters (2002)

2

Ships

0–30

Hemigrapsus takanoi Asakura & Watanabe 2005

North-America

2003

Dumoulin (2004)

21

Ships

5–40

Hemigrapsus sanguineus (De Haan 1835)

North-America

2006

Nuyttens et al. (2006); d’Udekem d’Acoz (2006)

1

Ships

10-34

ISOPODA

Asellidae

Asellus aquaticus (Linnaeus 1758)

   

6

  

Idoteidae

Idotea chelipes (Pallas 1766)

   

1

  

Idotea linearis (Linnaeus 1766)

   

1

  

Janiridae

Jaera albifrons Leach 1814

   

1

  

Sphaeromatidae

Lekanesphaera hookeri (Leach 1814)

   

7

  

MYSIDA

Mysidae

Mesopodopsis slabberi (van Beneden 1861)

   

6

  

Neomysis integer (Leach 1814)

   

3

  

Praunus flexuosus (Müller 1776)

   

2

  

Schistomysis kervillei (GO Sars 1885)

   

1

  
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Helgoland Marine Research

ISSN: 1438-3888

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