“…According to Spanier & Galil (1991), marine taxa could be introduced in new marine ecosystems in several ways, such as movements through corridors, transfer on drifting logs, and by anthro- pogenic activities. Today, great attention is paid to unintentional pathways of aquatic alien species introductions through ballast-water (Carlton and Geller, 1993;Ruiz et al, 1995), transport via trailer boats (Leung et al, 2006;Rothlisberger et al, 2010), bait-bucket releases by anglers (Litvak and Mandrak, 1993;Di Stefano et al, 2009), and escapes associated with aquaculture (Naylor et al, 2001;De Silva et al, 2009) or aquarium trade (Katsanevakis et al, 2013). Moreover, intentional release in the wild of marine species kept in aquaria is also acquiring importance as a pathway of introduction (Zenetos et al, 2016).…”
The scarid fish Chlorurus rhakoura Randall & Anderson, 1997, of eastern Indo-Pacific origin, is recorded for the first time from the Mediterranean Sea. A small school of six individuals of this species were caught off Portopalo, Sicily, Italy in February 2017. Morphometric measurements and meristic traits are provided based on four specimens, and the possible vector of introduction of the species into the Mediterranean is briefly discussed.
“…According to Spanier & Galil (1991), marine taxa could be introduced in new marine ecosystems in several ways, such as movements through corridors, transfer on drifting logs, and by anthro- pogenic activities. Today, great attention is paid to unintentional pathways of aquatic alien species introductions through ballast-water (Carlton and Geller, 1993;Ruiz et al, 1995), transport via trailer boats (Leung et al, 2006;Rothlisberger et al, 2010), bait-bucket releases by anglers (Litvak and Mandrak, 1993;Di Stefano et al, 2009), and escapes associated with aquaculture (Naylor et al, 2001;De Silva et al, 2009) or aquarium trade (Katsanevakis et al, 2013). Moreover, intentional release in the wild of marine species kept in aquaria is also acquiring importance as a pathway of introduction (Zenetos et al, 2016).…”
The scarid fish Chlorurus rhakoura Randall & Anderson, 1997, of eastern Indo-Pacific origin, is recorded for the first time from the Mediterranean Sea. A small school of six individuals of this species were caught off Portopalo, Sicily, Italy in February 2017. Morphometric measurements and meristic traits are provided based on four specimens, and the possible vector of introduction of the species into the Mediterranean is briefly discussed.
“…This mixing and spreading of various baitfish species in combination with lack of disease screening requirements creates ideal conditions for FHMNV to spread. In addition, many sport fishermen are unaware that dumping their bait buckets at their various fishing destinations (Litvak & Mandrak 1993) may contribute to the spread of pathogenic fish viruses.…”
“…Il pourrait aussi s'agir d'introductions par des pêcheurs les ayant utilisés comme poissons appâts, puisque ces espèces étaient utilisées au Québec pour la pêche sportive (Scott et Crossman, 1998) et que les bassins versants dans lesquels ils ont été capturés contiennent de nombreux lacs de villégiatures, de même qu'une ou des ZECs et pourvoiries. Le méné à nageoires rouges et le mulet à cornes étaient aussi parmi les espèces les plus souvent trouvées dans les bassins de fournisseurs de poissons appâts en Ontario (Litvak et Mandrak, 1993;Drake et Mandrak, 2014), alors que le méné à museau noir et le méné ventre-citron y apparaissaient dans respectivement 2 et 5 % des cas (Drake et Mandrak, 2014).…”
Le présent article décrit les résultats d’inventaires et d’observations ichtyologiques réalisés dans la région de la Côte-Nord, Québec, au cours des mois d’août 2013 et 2014. Au total, 13 espèces de poissons ont été capturées, parmi lesquelles on trouve le méné ventre-citron (Chrosomus neogaeus), le méné à nageoires rouges (Luxilus cornutus), le méné à museau noir (Notropis heterolepis) et le mulet à cornes (Semotilus atromaculatus). Des recherches dans la littérature ichtyologique de même que dans les bases de données muséales et gouvernementales indiquent qu’il s’agirait de premières mentions ou d’extensions de l’aire de répartition de ces espèces sur la Côte-Nord. Une discussion est aussi présentée sur le potentiel qu’offrent les bases de données en ligne pour préciser l’aire de répartition connue de la faune aquatique du Québec.This article presents the results of ichtyological surveys and additional observations made in the Côte-Nord region of Québec in August 2013 and 2014. Thirteen fish species were caught, including the finescale dace (Chrosomus neogaeus), common shiner (Luxilus cornutus), blacknose shiner (Notropis heterolepis) and creek chub (Semotilus atromaculatus). Researches in the ichtyological literature as well as museum and governmental databases indicate that this is the first published record for these species northeast of the Saguenay River. A discussion on the usefulness of online databases to improve the knowledge of fish species distribution in Québec is also presented
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