Feeding behavior and preference of the invasive blue crab (Callinectes sapidus Rathbun, 1896) for Mediterranean native bivalves in mesocosm

Hydrobiologia, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 21, 2025

Abstract We investigated in mesocosm the feeding behavior and prey preference of invasive blue crab Callinectes sapidus for different commercially exploited Mediterranean native bivalves. No-choice size video-recorded prey-choice experiments were designed to test following null hypotheses: (i) mortality do not vary when species are provided singularly nor with size; (ii) predator does have preferences simultaneously; (iii) manipulating, consuming, handling times among species. show that adult male C. individuals exhibit a cyclic feeding/resting Ruditapes decussatus , followed by Mytilus galloprovincialis Cerastoderma glaucum . Based on our results, we anticipate toward R. one most important commercial lagoons along Italian coastline, could soon consequences only lagoons’ trophic webs, but also local economy.

Language: Английский

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Invasive blue crabs and small-scale fisheries in the Mediterranean sea: Local ecological knowledge, impacts and future management

Marine Policy, Journal Year: 2022, Volume and Issue: 148, P. 105461 - 105461

Published: Dec. 24, 2022

Language: Английский

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Lessons From the Western Atlantic Lionfish Invasion to Inform Management in the Mediterranean

Frontiers in Marine Science, Journal Year: 2022, Volume and Issue: 9

Published: April 20, 2022

Major invasions of Indo-Pacific lionfish ( Pterois volitans and P. miles ) are underway in the Western Atlantic Ocean Mediterranean Sea. While establishment is perhaps most well-studied marine fish invasion to date, rapidly expanding more recent has received less attention. Here we review synthesize successes failures from two decades management give policy recommendations for their Mediterranean. Two failed approaches that were attempted multiple times advise against (1) feeding native promote predation (2) implementing bounty programs incentivize harvest. Broadly, important lessons recommend include conducting routine removals by spearfishing with scuba, which can effectively suppress local abundances lionfish; encouraging development recreational commercial fisheries, long-term, sustainable population control; and, (3) engaging communities resource users (e.g., removal tournaments), concurrently achieve objectives promoting removals, market-development, research, public education. Managers often needed adapt current conservation policies enable areas where scuba was otherwise prohibited purposes. The risk abusing these mitigated through use gear restrictions, diver trainings, participatory integrated divers stakeholder organizations research management. Our practices Sea found many our recommended not being done indicate potential opportunities implement these. We expect fully work continues towards multinational cooperation facilitate regional coordination control, efforts respect invasion. As other major biological invasions, unconstrained political borders control will require rapid strategic broad among between governments stakeholders.

Language: Английский

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How to deal with invasive species that have high economic value?

Biological Conservation, Journal Year: 2024, Volume and Issue: 292, P. 110548 - 110548

Published: March 12, 2024

The ever-accelerating process of introduction and establishment invasive alien species (IAS) in marine waters requires engaging different actors the management planning. To address this challenge, stakeholders need an integrated approach for defining actions control within ecosystem-based framework: to seek enhance coordination, collaboration trust among all affected by changes linked social - ecological systems. This study explores complexities opportunities managing economically valuable IAS, demonstrating tailored strategies that consider key details needed successful such as timing removals economic considerations appropriate incentive mechanisms time horizons favor long-term conservation goals. We propose a set can serve roadmap effective IAS management, considering their dual role nuisances resources. These pertain local, regional international levels, encouraging meaningful stakeholder engagement through co-management structures foster development robust plans, enabling better control. outcome holds potential positive contributions blue economy— sustainable use resources, including fisheries, tourism, renewable energy— meeting sustainability objectives.

Language: Английский

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The Case of Lionfish (Pterois miles) in the Mediterranean Sea Demonstrates Limitations in EU Legislation to Address Marine Biological Invasions

Journal of Marine Science and Engineering, Journal Year: 2021, Volume and Issue: 9(3), P. 325 - 325

Published: March 15, 2021

The European Regulation (EU) 1143/2014 on Invasive Alien Species entered into force in 2015, with the aim to fulfill regional and international biodiversity goals a concerted manner. To date, listed 66 (IAS) that are subject legal controls. Only one of these is marine. A recent lionfish (Pterois miles) invasion has been closely monitored Mediterranean detailed risk assessment was made about profound impacts this invasive fish likely have fisheries region. In 2016–21, rapidly became dominant predators along Eastern coasts, yet process for their inclusion EU IAS list lengthy ongoing. There an urgent need learn from experience. Here, we recommend improvements protect marine ecosystems secure jobs people rely coastal resources.

Language: Английский

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Conflicting interests and growing importance of non‐indigenous species in commercial and recreational fisheries of the Mediterranean Sea

Fisheries Management and Ecology, Journal Year: 2022, Volume and Issue: 29(2), P. 169 - 182

Published: Jan. 10, 2022

Abstract Non‐indigenous species (NIS) are spreading and reshaping Mediterranean Sea biological communities fishery resources. The present study used fisheries data structured interviews to assess the impacts of NIS on recreational commercial fishers in Cyprus. that have been Cyprus for more than two decades were mostly perceived by local as native, with high market value considered be beneficial, venomous or poisonous deleterious. Pufferfishes (Tetraodontidae) identified causing significant economic damage, which undermines sustainability fishing sector. most popular highly priced rabbitfishes ( Siganus spp.). In terms landings, six non‐indigenous taxa contributed over a quarter total landing half during summer season. results emphasised multifaceted interactions sector, how policy objectives may not align social interests.

Language: Английский

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Regular monitoring and targeted removals can control lionfish in Mediterranean Marine Protected Areas

Aquatic Conservation Marine and Freshwater Ecosystems, Journal Year: 2021, Volume and Issue: 31(10), P. 2870 - 2882

Published: July 21, 2021

Abstract A lack of biosecurity in the Suez Canal has combined with global warming and other human pressures to cause abrupt changes Mediterranean Sea. Throughout this region an influx species is influencing outcome efforts protect restore nature. Despite calls for targeted removals invasive from protected areas, there limited information about effectiveness course action both ecological a socio‐economic perspective. In study, coordinated lionfish ( Pterois miles ) by volunteers/scuba divers at three marine sites Cyprus were conducted. The removal efficiency was monitored using visual‐census surveys citizen science data. Removals significantly decreased numbers but long‐term suppression would require monitoring repetition when necessary, since population recovery sometimes rapid. Citizen yielded data needed understand guide timing events, characterized large variation potential outliers, highlighting need sample sizes. Questionnaire used assess social impact participation removals; these showed that involvement had strong positive on knowledge motivation support conservation activities – even willing pay extra remove lionfish. Management reforms be capitalize societal motivation, enable effective scuba divers, competent authorities. EU aims least 30% waters 2030. Removal events could help shield selected adverse effects same time establish links local communities, strengthening sustainable use systems corporate levels.

Language: Английский

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Low Pufferfish and Lionfish Predation in Their Native and Invaded Ranges Suggests Human Control Mechanisms May Be Necessary to Control Their Mediterranean Abundances

Frontiers in Marine Science, Journal Year: 2021, Volume and Issue: 8

Published: July 16, 2021

The silver-cheeked toadfish ( Lagocephalus sceleratus , from the pufferfish family Tetraodontidae) and Pacific red lionfish Pterois miles Scorpaenidae) have recently invaded Mediterranean Sea. has spread throughout this entire sea with highest concentrations in eastern basin, while more recently, Eastern to Central Their effects on local biodiversity fisheries are cause for management concern. Here, a comprehensive review of predators these two species their native Indo-Pacific Western Atlantic ranges is presented. Predators Tetraodontidae general were reviewed ranges, as no records found specifically L. its range. included mantis shrimp (Stomatopoda), lizardfish Synodus spp.), tiger shark Galeocerdo cuvier ), lemon Negaprion brevirostris snakes Enhydrina catfish Arius cobia Rachycentron canadum skipjack tuna Katsuwonus pelamis common octopus Octopus vulgaris ). only reported predator adult was loggerhead turtle Caretta caretta whereas juvenile preyed by dolphinfish Coryphaena hippurus ) garfish Belone belone Conspecific cannibalism juveniles also confirmed Mediterranean. Pufferfish octopus, frogfish (Antennaridae), several marine birds. all range humpback scorpionfish Scorpaenopsis bobbit worms Eunice aphroditois moray eels (Muraenidae), bluespotted cornetfish Fistularia commersonii Lionfish dusky grouper Epinephelus marginatus white aeneus spotted Gymnothorax moringa multiple (tiger Mycteroperca tigris Nassau striatus black bonaci morio gag microleps ; Epinephelidae), northern snapper Lutjanus campechanus greater amberjack Seriola dumerilli nurse Ginglymostoma cirratum sparse data natural predation suggest that population control via may be limited. require proactive, targeted human removals, currently practiced Atlantic.

Language: Английский

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Uncovering unmet demand and key insights for the invasive blue crab (Callinectes sapidus) market before and after the Italian outbreak: Implications for policymakers and industry stakeholders

Marine Policy, Journal Year: 2024, Volume and Issue: 167, P. 106295 - 106295

Published: July 8, 2024

Language: Английский

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Socio-economic impacts of the recent bio-invasion of Callinectus sapidus on small-scale artisanal fishing in southern Italy and Portugal

Frontiers in Marine Science, Journal Year: 2024, Volume and Issue: 11

Published: Sept. 9, 2024

Introduction The recent and growing bio-invasion of the Callinectes sapidus (known as blue crab) is causing damages in European aquatic ecosystems, affecting livelihoods fishermen. In this context, study explores socio-economic impacts on small-scale artisanal fishermen Apulia (southern Italy) Algarve Portugal) regions, analyzing their perceptions highlighting repercussions livelihoods. Methods For purpose, we carried out a field survey with representative based “Socio-economic Impact Classification Alien Taxa” (SEICAT) approach by means an “Exploratory Factor Analysis” (EFA), “Hierarchical Analysis K-means Cluster Analysis”. Results discussion findings reveal that two areas, Algarve, exhibit markedly different impact crab invasion well-being activity Apulia, has led to extensive damage fishing nets, physical harm, decline other commercial species, reduced catch quantities, increased working hours, higher costs, lower incomes. Conversely, while net less severe, primary concerns are income. Consequently, research provides empirical basis for adoption management measures interventions mitigate socioeconomic community local economy, thereby contributing both individuals marine ecosystem.

Language: Английский

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