First confirmed records of the non-native amphipod Caprella mutica (Schurin 1935) along the coast of British Columbia, Canada, and the potential for secondary spread via hull fouling

Frey, Melissa A.; Gartner, Heidi; Murray, Cathryn Clarke; Therriault, Thomas W.

doi:10.3391/ai.2009.4.3.10

Cited by 20 publications

(17 citation statements)

References 8 publications

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“…In this manner, gregarious settlement, as occurs in barnacles and other marine organisms, can lead to sheltering (Schultz et al 1999). Complex communities provide microhabitats for smaller sessile and mobile species, allowing them to be transported with travelling vessels, as has been hypothesized for the invasive amphipod Caprella mutica (Frey et al 2009). Therefore, estimating dislodgment velocity based on solitary individuals may lead to an underestimation of the probability of transport to new habitats.…”

Section: Discussionmentioning

confidence: 96%

Adapted for invasion? Comparing attachment, drag and dislodgment of native and nonindigenous hull fouling species

2012

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Invasive species possess unique traits that allow them to navigate the invasion process in order to establish and spread in new habitats. Successful hull fouling invaders must resist both physical and physiological stressors associated with their voyage. We characterised attachment strength and drag coefficient of common fouling species in order to estimate the velocity required to dislodge them from boat hulls. We hypothesized nonindigenous fouling species would possess biomechanical properties that enable them to remain attached to hulls more successfully than similar native species. Indeed, the well-known invasive ascidian Styela clava had both high attachment strength and low drag coefficient and its dislodgment velocity was well above that of fast moving vessels. In contrast, the native congener Styela gibbsii had low attachment strength and higher drag coefficient. Colonial invasive species employed a different hitchhiking strategy; despite their low attachment strengths, Botrylloides violaceus and Didemnum vexillum had low drag coefficients allowing them to be transported on slowermoving vessels, such as sailboats and barges. The biomechanical adaptations of invasive species show promise in predicting future invaders and informing vector management strategies at the first node in the invasion process: transport by the vector.

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Section: Discussionmentioning

confidence: 96%

Adapted for invasion? Comparing attachment, drag and dislodgment of native and nonindigenous hull fouling species

2012

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“…m -2 , in summer (Boos 2009, Frey et al 2009, are considerably higher than those reported from natural near-bottom habitat in Caprella mutica's native range in northeast Asia (Fedotov 1991, Vassilenko 2006. During winter in native and European populations, reproduction is curtailed and population densities are significantly reduced or possibly absent in some locations.…”

Section: Introductionmentioning

confidence: 84%

“…m -2 was recorded in an enclosed harbour (Boos 2009), and in British Colombia, Canada, densities on settlement plates ranged from 157 to 16 159 ind. m -2 (Frey et al 2009). Thus nonnative population densities are considerably higher than densities recorded from natural near-bottom habitat in C. mutica's native northeast Asia.…”

Section: Population Biologymentioning

confidence: 99%

“…The first reports of C. mutica outside its native habitat were from the Pacific and Atlantic coasts of North America in the 1970s (Carlton 1979) and 1980s (Marelli 1981, Cohen & Carlton 1995. Reviews of its global distribution indicate that, in the last 40 yr, C. mutica has spread throughout the northern hemisphere along the coasts of Europe, North America and Canada , Cook et al 2007, Frey et al 2009). Dispersal of C. mutica within Europe has been rapid and represents a range extension of ~1200 km along the west coast of Norway and 1000 km to the west coast of Ireland (Cook et al 2007) from its first recorded location in The Netherlands in 1995 (Platvoet et al 1995).…”

Section: Introductionmentioning

confidence: 99%

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Caprella mutica in the Southern Hemisphere: Atlantic origins distribution, and reproduction of an alien marine amphipod in New Zealand

Willis¹,

Woods²,

Ashton³

2009

Aquat. Biol.

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The caprellid amphipod Caprella mutica, a native of northeast Asia, was first detected in the Southern Hemisphere in the Port of Timaru, New Zealand, in 2002. It has since become established in the Port of Lyttelton and at 2 aquaculture sites in the Marlborough Sounds in New Zealand. Direct sequencing of C. mutica mitochondrial DNA (cytochrome c oxidase subunit I gene) identified 3 haplotypes: 1 unique to New Zealand and 2 previously found in non-native Atlantic populations. Higher haplotype diversity and lower F ST distances between the Port of Lyttelton and global populations suggest Lyttelton may be the introduction site in New Zealand. C. mutica populations were sampled on 7 occasions, primarily in winter, and densities generally exceeded 10 000 ind. m -2 , contrasting with the winter declines seen in native and European populations. Sex ratios were generally close to 0.5 and the proportion of brooding females ranged from 0 to 98%. In the Marlborough Sounds, juveniles comprised 32 to 38% of the population regardless of season, brooding females were present throughout the year and males were dominant in winter. Population structure and adult size in the Port of Lyttelton differed with habitat type in August 2008; densities were higher, adults significantly larger on floating than on fixed structures and juveniles and brooding females dominated on vessel hulls. Given the high level of anthropogenic activity and connectivity between coastal locations, it is likely that C. mutica will continue to spread in New Zealand.

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“…In Europe, the species was first recorded in The Netherlands, and described as new species Caprella macho Platvoet, de Bruyne & Gmelig Meyling, 1995(Faasse, 2005, and later in Belgium, Norway, Scotland, Germany, Wales, England, France and Ireland (reviews in Ashton et al, 2007;Cook et al, 2007b;Frey et al, 2009;Turcotte & Sainte-Marie, 2009;Schückel et al, 2010). According to the mtDNA tracing, the non-native populations of C. mutica formed, probably, by repeated introductions from multiple native sources (Ashton et al, 2008;Willis et al, 2009).…”

Section: Introductionmentioning

confidence: 98%

The Japanese skeleton shrimp Caprella mutica (Amphipoda: Caprellidae) in Sweden (Eastern Skagerrak)

Daneliya

Laakkonen

2012

Mar. Biodivers. Rec.

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First confirmed records of the non-native amphipod Caprella mutica (Schurin 1935) along the coast of British Columbia, Canada, and the potential for secondary spread via hull fouling

Cited by 20 publications

References 8 publications

Adapted for invasion? Comparing attachment, drag and dislodgment of native and nonindigenous hull fouling species

Adapted for invasion? Comparing attachment, drag and dislodgment of native and nonindigenous hull fouling species

Caprella mutica in the Southern Hemisphere: Atlantic origins distribution, and reproduction of an alien marine amphipod in New Zealand

The Japanese skeleton shrimp Caprella mutica (Amphipoda: Caprellidae) in Sweden (Eastern Skagerrak)

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