Further spreading in the Italian seas of already established non-indigenous mollusc species

Stasolla, Gianluca; Riolo, Francesca; Macali, Armando; Pierri, Cataldo; Crocetta, Fabio

doi:10.1017/s1755267214001079

Cited by 20 publications

(15 citation statements)

References 26 publications

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“…This large amount of species, however, did not describe the local biodiversity, because almost entirely based on shell remains whose origin cannot be verified, similarly to some recently described species whose actual habitat remains unknown (Pusateri et al, 2012;Romani & Scuderi, 2015;Pusateri et al, 2017;etc.). The shallow subtidal habitat of some scarcely known species which have been reported from the same locality has been instead adequately described (Scuderi & Reitano, 2012), as well as that of some non-indigenous taxa (Stasolla et al, 2014). The lack of contextualized data might explain the absence of Scilla and, more in general, of MS, in the recent review of Poursanidis et al (2016) about the molluscan fauna from the Mediterranean biocoenosis of photophilic algae.…”

Section: Discussionmentioning

confidence: 99%

Infralittoral molluscs from the Scilla cliff (Strait of Messina, Central Mediterranean)

Giacobbe¹,

Renda²

2018

Biodiversity Journal

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The mollusc taxocoenosis characterizing the photophilic zone of the Scilla cliff (Strait of Messina, Central Mediterranean) has been described on hard bottom samples from 6, 16 and 24 m depth. Seasonality has been evaluated by replicates carried out in autumn and spring. Overall, 229 benthic taxa have been recorded, 87 of which occurred in both seasons, while 109 were exclusively recorded in spring and 29 only in autumn. Specimen abundance also notably decreased from autumn to spring (1581 and 892 individuals, respectively). Depth scarcely affected the species distribution, probably due to water transparency, thermal homogeneity, and nutrient mixing. The recorded species cannot be all assigned to the photophilic rocky habitat, since ubiquitous taxa, organisms of other habitats settled in micro-enclaves, and juveniles of not established species have been frequently recorded. The role of algal covering as larval collector from disparate habitats is confirmed, as also proved by the high occurrence of planktonic molluscs (14 species) in all the examined samples. The whole mollusc taxocoene, whose diversity is high with respect to other areas at comparable latitudes, showed a marked western footprint, in accordance with the known biogeographic peculiarities of the Messina Strait.

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Section: Discussionmentioning

confidence: 99%

Infralittoral molluscs from the Scilla cliff (Strait of Messina, Central Mediterranean)

Giacobbe¹,

Renda²

2018

Biodiversity Journal

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“…In 1967, loose valves of P. imbricata radiata were collected at Isola Gallinara in the Ligurian Sea by Garavelli & Melone (1967); there are no other records of this species from that regional sea. In the Tyrrhenian, dead specimens were found initially (Bombace, 1967;Ricordi, 1993) and live ones later (Stasolla et al, 2014). It now forms stable populations mostly along the coastline of Sicily.…”

Section: Molluscamentioning

confidence: 99%

“…It now forms stable populations mostly along the coastline of Sicily. Among casual species, living specimens of A. kagoshimensis were collected from the Tyrrhenian by Di Natale (1982) in 1977 in Vibo Valentia, while in the Ligurian Sea only one record (samples of unknown vitality) was reported by De Longis (1987); two empty shells belonging to A. transversa were retrieved from the Tyrrhenian in 2005 in Bacoli and Torregaveta (Gulf of Naples) (Crocetta et al, 2009b); subsequently, living specimens were reported (Stasolla et al, 2014;Servello & Crocetta in Dailanis et al, 2016). The Indo-Pacific gastropod C. quadricolor was collected for the first time in the Mediterranean in 1982 at Imperia (Ligurian Sea) (Cattaneo-Vietti, 1986).…”

Section: Molluscamentioning

confidence: 99%

Marine alien species in Italy: A contribution to the implementation of descriptor D2 of the marine strategy framework directive

Servello¹,

Andaloro

Azzurro

et al. 2019

Medit. Mar. Sci.

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The re-examination of marine alien species or Non-indigenous species (NIS) reported in Italian Seas by December 2018, is here provided, particularly focusing on establishment success, year of first record, origin, potential invasiveness, and likely pathways. Furthermore, their distribution is assessed according to marine subregions outlined by the European Union (EU) Marine Strategy Framework Directive: Adriatic Sea (ADRIA), Ionian Sea and Central Mediterranean Sea (CMED), and Western Mediterranean Sea (WMED). In Italy, 265 NIS have been detected with the highest number of species being recorded in the CMED (154 species) and the WMED (151 species), followed by the ADRIA (143). Most of these species were recorded in more than one subregion. The NIS that have established stable populations in Italian Seas are 180 (68%), among which 26 have exhibited invasive traits.Among taxa involved, Macrophyta rank first with 65 taxa. Fifty-five of them are established in at least one subregion, mostly in the ADRIA and the CMED. Crustacea rank second with 48 taxa, followed by Polychaeta with 43 taxa, Mollusca with 29 taxa, and Pisces with 28 taxa, which were mainly reported from the CMED. In the period 2012-2017, 44 new alien species were recorded, resulting in approximately one new entry every two months. Approximately half of the NIS (~52%) recorded in Italy have most likely arrived through the transport-stowaway pathway related to shipping traffic (~28% as biofoulers, ~22% in ballast waters, and ~2% as hitchhikers). The second most common pathway is the unaided movement with currents (~19%), followed by the transport-contaminant on farmed shellfishes pathway (~18%). Unaided is the most common pathway for alien Fisshes, especially in CMED. Escapes from confinement account for ~3% and release in nature for ~2% of the NIS. The present NIS distribution hotspots for new introductions were defined on the first recipient area/location in Italy. In ADRIA the hotspot is Venice which accounts for the highest number of alien taxa introduced in Italy, with 50 newly recorded taxa. In the CMED, hotspots of introduction are the Taranto and Catania Gulfs, hosting 21 first records each. The Strait of Sicily represents a crossroad between the alien taxa from the Atlantic Ocean and the Indo-Pacific area. In the WMED, hotspots of bioinvasions include the Gulfs of Naples, Genoa and Livorno.This review can serve as an updated baseline for future coordination and harmonization of monitoring initiatives under international, EU and regional policies, for the compilation of new data from established monitoring programs, and for rapid assessment surveys.

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“…According to CIESM Atlas of exotic species, this species is also recorded from Izmir and Antalaya in Turkey (Zenetos et al, 2004). In 2006Misfud (2007 recorded this species along the Maltese coast, and in 2007 it was recorded from southern Italy (Reggio Calabria, Ionian Sea) (Crocetta & Vazzana, 2009) while later it was detected in the Tyrrhenian Sea and Sicily Strait (Stasolla et al, 2014). The absence of records from Egypt, Israel, Lebanon, Syria, and Cyprus suggests a local introduction by transport-stowaway .…”

Section: First Record Of Haminoea Cyanomarginata From the Adriatic Seamentioning

confidence: 99%

New Mediterranean Biodiversity Records (July 2018)

et al. 2018

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In the present article, new records are given for 15 species (4 native and 9 alien and 2 cryptogenic), belonging to 6 Phyla (i.e. Chlorophyta, Ctenophora, Cnidaria, Mollusca, Arthropoda, and Chordata), from 10 Mediterranean countries: Morocco: the finding of the crab Callinectes sapidus represents the westernmost one of the species in the Mediterranean; Italy: first records of the nudibranch Polycera hedgpethi from the harbour of La Spezia, and first finding of the invasive ctenophore Mnemiopsis leidyi in the Fiora River; Tunisia: Caulerpa taxifolia var. distichophylla is recorded for the first time, showing an even wider distribution in the Mediterranean; Greece: the finding of the jellyfish Pelagia benovici represents the first record of the species in the Ionian Sea, while the finding of the smallscale codlet Bregmaceros nectabanus in the Ionian Sea is another interesting first report for the area; Malta: the cryptogenic scleractinian coral Oculina patagonica was recorded; Slovenia: the parasitic copepod Demoleus heptapus was recorded from a sixgill bluntnose shark, Hexanchus griseus; Croatia: the Lessepsian cephalaspidean mollusc Haminoea cyanomarginata is recorded for the first time from the area; Bulgaria: the Asian date mussel Arcuatula senhousia was recorded from the Black Sea; Cyprus: the Lessepsian gastropod Viriola sp. [cf. corrugata) was recorded for the first time from the area, while two decapod species were recorded also for the first time from Cyprus, i.e. the caridean shrimp Pasiphaea sivado and the anomuran Munida curvimana; Turkey: the acari Lohmannella falcata is recorded for the first time from Antalya and the Lessepsian fish Priacanthus sagittarius in the Levantine coasts of Turkey (off Hatay/Arsuz) showing that this species has extended its range in a very short time.

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Further spreading in the Italian seas of already established non-indigenous mollusc species

Cited by 20 publications

References 26 publications

Infralittoral molluscs from the Scilla cliff (Strait of Messina, Central Mediterranean)

Infralittoral molluscs from the Scilla cliff (Strait of Messina, Central Mediterranean)

Marine alien species in Italy: A contribution to the implementation of descriptor D2 of the marine strategy framework directive

New Mediterranean Biodiversity Records (July 2018)

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