Recruitment Failure of Mottled Sculpin Cottus bairdi in Calumet Harbor, Southern Lake Michigan, Induced by the Newly Introduced Round Goby Neogobius melanostomus

Janssen, John; Jude, David J.

doi:10.1016/s0380-1330(01)70647-8

Cited by 264 publications

(185 citation statements)

References 20 publications

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“…Although the shelters used in the laboratory experiment were artificial, our earlier studies (MacInnis & Corkum 2000) showed that these shelters are readily occupied by round gobies in the field. We were unable to detect any preference for shelter size by non-reproductive round gobies; however, it is likely that competition for shelters may exist among reproductive males if nest sites are limiting (Janssen & Jude 2001). Time to enter a shelter was a function of body size with small fish entering shelters more quickly than large fish.…”

Section: Discussionmentioning

confidence: 75%

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Assessment of fish size on shelter choice and intraspecific interactions by round gobies Neogobius melanostomus

Stammler

Corkum

2005

Environ Biol Fish

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We examined shelter occupancy and behavioural interactions in non-reproductive male round gobies, Neogobius melanostomus, an invasive fish, to determine if gobies can assess one another's prowess effectively. Results of laboratory experiments revealed a significant, positive relationship between body size (total mass) and time for individual fish to occupy shelters. Shelter size selection did not vary with body size, but males that abandoned shelters were smaller than those that remained. Overall, the number of interactions between residents and intruders were low with most interactions occurring between large residents and large intruders. A size differential between residents and intruders of 3% was sufficient to predict the proportion of victories in conflicts between round gobies. This ability of the round goby to perceive size differences between themselves and potential opponents reduces the number of interactions and may account for the occurrence of high densities of round gobies observed in the field.

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Section: Discussionmentioning

confidence: 75%

“…Round gobies display aggressive behaviour when they co-occur with other fishes (Janssen & Jude 2001). For example, non-reproductive round gobies can displace similarly sized native mottled sculpins, Cottus bairdi, from shelters (Dubs & Corkum 1996).…”

Section: Introductionmentioning

confidence: 99%

Assessment of fish size on shelter choice and intraspecific interactions by round gobies Neogobius melanostomus

Stammler

Corkum

2005

Environ Biol Fish

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“…This includes Poland, where the European bullhead is listed as vulnerable (Witkowski et al 2009). The threat of Ponto-Caspian gobies to native Cottidae has already been demonstrated in the Laurentian Great Lakes, where invasive round goby have been found to out-compete native mottled sculpin Cottus bairdii for preferred habitat and to disrupt their reproduction (Dubs and Corkum 1996;Janssen and Jude 2001). Reported declines in European bullhead populations, coinciding with goby invasions of the rivers Danube (Jurajda et al 2005) and Rhine (Dorenbosch and van der Velde 2009) suggest that Ponto-Caspian gobies are having a similar adverse impact on European as on North American Cottidae.…”

Section: Introductionmentioning

confidence: 99%

Competitive interactions for food resources between invasive racer goby Babka gymnotrachelus and native European bullhead Cottus gobio

et al. 2013

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Racer goby is one of several PontoCaspian gobiids spreading throughout European rivers and concurrent with recent declines in threatened populations of a native species of similar biology, the European bullhead. Although suggestive of competitive interactions, evidence thereof is scarce, so we examined behavioural interactions between racer goby and bullhead (single specimens of each species together, also pairs of each species) under experimental conditions (shared space with two shelters) to determine whether the invader displaces the native species when food resources are limited. Food (live chironomids) was added to a single feeder at rates below satiation levels twice over 24 h (once in light and once in darkness), with fish behaviour (aggressive interactions: attacks and threatening) and feeding activity (time spent near or inside the feeder) recorded using video cameras and infrared illumination. Racer goby exhibited aggressive behaviour towards bullhead (mean = 2.5 aggressive events h -1 ), but rarely the inverse (threatening only, mean = 0.05 events h -1 ), significantly limiting bullhead foraging time (by 62 %) and being faster to reach food in the feeding time in 76 % of cases. Gobies were more aggressive during daylight (77 % of all aggressive events occurring in light), and both species spent more time on feeding activities in darkness (88 and 66 % of all time spent in the feeder by bullheads and gobies, respectively). However, the adverse impact of goby on bullhead was independent of light conditions. Our results suggest that under natural conditions, racer goby are likely to displace bullhead during feeding, with potential consequences for foraging efficiency.

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“…Their impacts vary from local environmental disturbances (competition for food and habitat, predation, introduction of parasites, replacing native species), over the extinction of endemic species, to large economic losses (aquaculture) and serious threats to human health, such as allergies, introduction of parasites and disease (Janssen and Jude, 2001;Lauer et al, 2004;Hogan et al, 2007;Karlson et al, 2007;Kornis et al, 2012). One of the most successful invasive fish species with negative impacts is round goby Neogobius melanostomus (Pallas 1814) that has spread from its original Ponto-Caspian area to west and central Europe and even to North America (Jude et al, 1992;Skóra and Stolarski, 1993;Copp et al, 2005;Verreycken et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Different life-histories of native and invasiveNeogobius melanostomusand the possible role of phenotypic plasticity in the species’ invasion success

Hôrková

Kováč

2013

Knowl. Managt. Aquatic Ecosyst.

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Key-words:round goby, biological invasions, epigenesis, alternative ontogenies, reproductive parametersOne of the most successful invasive fish species with negative impacts is round goby Neogobius melanostomus that has spread from its original Ponto-Caspian area to west and central Europe and even to North America. Previous studies focused on invasive fishes have revealed that these species have the capability to generate forms with life-history traits that differ between native and non-native populations. As a contribution to explain their invasion success, the theory of alternative ontogenies and invasive potential has been developed. The main aim of the present study was to test the hypothesis derived from this theory, which predicts that females of the non-native population of N. melanostomus (from Slovakia) will have significantly smaller oocytes, higher fecundity and smaller body size at maturity than those of the native population (from Bulgaria). All the three quantitative parameters of life-history traits examined in this study were found to be consistent with the predictions tested. Variations in reproductive parameters observed in non-native N. melanostomus demonstrate the species' phenotypic plasticity, which appears to be an important attribute that helps potential invaders to establish new populations in unknown environments. However, further experimental studies are necessary to verify this theory by testing hypotheses derived from it. Une des espèces les plus envahissantes de poissons aux impacts négatifs est le gobie à taches noires Neogobius melanostomus qui s'est propagé à partir de sa zone ponto-caspienne native vers l'ouest et le centre de l'Europe et même en Amérique du Nord. Des études antérieures sur les poissons invasifs ont révélé que ces espèces ont la capacité de générer des individus avec des traits d'histoire de vie qui diffèrent entre les populations autochtones et non autochtones. En guise de contribution à expliquer leur succès d'invasion, la théorie des ontogenèses alternatives et du potentiel invasif a été développée. L'objectif principal de cette étude était de tester l'hypothèse dérivée de cette théorie, qui prédit que les femelles de la population non autochtone de N. melanostomus (de Slovaquie) auront de plus petits ovocytes, une plus forte fécondité et une plus petite taille à maturité que celles de la population autochtone (de Bulgarie). Tous les trois paramètres quantitatifs des traits d'histoire de vie examinés dans cette étude ont été jugés conformes aux prédictions testées. Les variations dans les paramètres de reproduction observés chez N. melanostomus non indigènes démontrent la plasticité phénotypique de l'espèce, qui semble être un attribut important qui aide les envahisseurs potentiels à établir de nouvelles populations dans des environnements inconnus. Toutefois, d'autres études expérimentales sont nécessaires pour vérifier cette théorie en testant des hypothèses qui en découlent. RÉSUMÉ

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Recruitment Failure of Mottled Sculpin Cottus bairdi in Calumet Harbor, Southern Lake Michigan, Induced by the Newly Introduced Round Goby Neogobius melanostomus

Cited by 264 publications

References 20 publications

Assessment of fish size on shelter choice and intraspecific interactions by round gobies Neogobius melanostomus

Assessment of fish size on shelter choice and intraspecific interactions by round gobies Neogobius melanostomus

Competitive interactions for food resources between invasive racer goby Babka gymnotrachelus and native European bullhead Cottus gobio

Different life-histories of native and invasiveNeogobius melanostomusand the possible role of phenotypic plasticity in the species’ invasion success

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