Comércio de aquarismo como potencial dispersor de invertebrados não-nativos no Nordeste do Brasil

Abstract

Aquarium trade is one of the most important pathways of biological invasion. Much attention has been given to target introduced species, but little is discussed on the associated bycatch ones. The aim of this paper is to analyze the risk of invasion by non-commercial invertebrates using aquarium stores as a model. Monthly visits to eight stores in Aracaju (Sergipe State) were performed from April to September 2011. Inspections were carried out and questionnaires were applied to owners and employees of the establishments. Two non-native species were identified, Melanoides tuberculatus (Gastropoda: Thiaridae) and Lernaea cyprinacea (Crustacea, Copepoda). Sixty-two specimens of M. tuberculatus were found among the aquatic plants in one of the stores, while L. cyprinacea was collected in four establishments parasitizing Carassius auratus, Hypostomus sp., Poecilia latipinna, Poecilia sphenops, Poecilia reticulata and Xiphophorus hellerii. The interviews that have been done with owners and employees revealed that none of the stores has submitted fishes and plants to quarantine, and the disposal of wastewater is directly into the sewer system. It is necessary to adopt preventive measures such as a quarantine period for fishes and the creation of a warning about the dangers of biological invasions or aquarium dumping for aquarium hobbyists to mitigate the risk of invasion.

Parasitological diagnosis in ornamental freshwater fish from different fish farmers of five Brazilian states

“…Lernaea cyprinacea was found just in Patrocínio do Muriaé. This parasite is a non-native species that was first cataloged in Brazil in the 1960s, being disseminated from Brazilian regions, like São Paulo, southwest Brazil , Sergipe northeastern Brazil (Assis et al, 2014), andPará, north Brazil (Barros et al, 2024), corroborating the data obtained from the present study. This invasive parasite can cause severe damage on fish populations and spread rapidly in a farming environment (Assis et al, 2014), so the adoption of quarantine and not disposing of waste water in common sewage are actions that prevent the spread and establishment of the parasite.…”

Established but not spreading: the tropical invasive snail Melanoides tuberculata in a geothermally warmed channel in temperate Southern Pampas

“…The occurrence of M. tuberculata in Bahía Blanca might have been facilitated by anthropic actions associated with the aquarium trade, as has happened in other non-native places (Gutiérrez Gregoric & Vogler 2010, de Assis et al 2014, Silva et al 2019. Non-native species are likely to be found in aquaria containing aquatic plants and in those that are heated (Duggan 2010).…”

Fisheries Volume 48 Number 5 May 2023

“…Such releases are the second most important pathway (34% of introductions) of freshwater alien species introductions across Europe, and most begin with the aquarium trade (Nunes et al 2015 ;Patoka et al 2018 ). Pet store owners are often unaware of problems caused by invasive species, they may not know about associated regulations, and some even recommend invasive crayfi sh for stocking in outdoor ponds (Silveira de Assis et al 2014 ;Patoka et al 2017Patoka et al , 2018. During 2020 follow-up visits to Missouri stores that sold crayfi sh in 2019, uniformed agents informed store owners of their illegal actions and educated them about regulations.…”

“…Intentional introduction is the second most important global pathway of freshwater alien species (i.e., 34% of introductions), including of high-impact species, and most introductions are traced to the ornamental aquatic pet trade (Nunes et al 2015 ). Globally, the aquatic pet trade is one of the most important pathways for introductions of freshwater invasive species and is growing by 14% annually (Padilla and Williams 2004 ;Peay 2009 ;Silveira de Assis et al 2014 ). The ornamental aquatic pet trade includes thousands of species, and of these, more than 150 species have been documented as invasive, and one-third of the aquatic species on the 100 worst invasive species list are from pet trade releases (Padilla and Williams 2004 ;Chang et al 2009 ;Weiperth et al 2019 ).…”