[First occurrence of Sea Lamprey, &lt;em&gt;Petromyzon marinus&lt;/em&gt; Linnaeus 1758 (Agnatha, Petromyzontiformes, Petromyzontidae) in the River Mignone (Northern Lazio).]

Ferri, Vincenzo; Crescia, Paolo; Soccini, Christiana; Olini, Alessio; Celletti, Stefano

doi:10.4081/nhs.2021.510

Cited by 2 publications

(1 citation statement)

References 6 publications

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“…marinus used to be widely distributed in both the Tyrrhenian and Adriatic sides since the mid-twentieth century [16]. Currently, stable presence is restricted to the Ligurian Sea, close to Magra River mouth [17], and sporadic records have been recently documented in both the Tyrrhenian Sea (Lazio region) [18] and Adriatic Sea [19], increasing interest in further investigations into the southern Italian peninsula. It is, thus, currently listed in the IUCN Italian Red list of threatened vertebrate species as critically endangered [20].…”

Section: Introductionmentioning

confidence: 99%

The Presence of Lampreys in the Tyrrhenian Rivers of the Campania Region (Southern Italy): A New Record of the Sea Lamprey Petromyzon marinus (Linnaeus 1758)

Antognazza

Gentile²,

Crosa

et al. 2023

Environments

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The southern Italian peninsula has been suggested to be an important European district for lampreys’ genetic diversity. All lamprey species ever described throughout the Italian peninsula are protected within European legislation and listed in Annex II of the EU Habitats Directive (92/43/EEC) and Annex III of the Bern Convention (82/72/CEE) as species of conservation concern, and the Habitats Directive ensures the designation of “sites of community interest” (SICs) for threatened species. During a survey to collect preliminary data on lampreys’ presence in the Cilento, Vallo di Daino, and Alburni National Park (PNCV) located in the Campania region, where 28 sites of community interest (SICs) have been established by the EU Habitats Directive (92/43/EEC), two specimens of sea lamprey (Petromyzon marinus, Linnaeus, 1758) were detected for the first time. The specimens were genetically characterized through the sequencing of the mtDNA control region locus. The study highlighted the significant importance of the Campania region for lampreys, which, concerning Lampetra sp., was found to have peculiar genetic characteristics and unique alleles that have not been described elsewhere. Furthermore, the recognition of the sea lamprey, P. marinus, emphasized the value of this area, especially in terms of laying the groundwork for future habitat protection strategies.

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Section: Introductionmentioning

confidence: 99%

The Presence of Lampreys in the Tyrrhenian Rivers of the Campania Region (Southern Italy): A New Record of the Sea Lamprey Petromyzon marinus (Linnaeus 1758)

Antognazza

Gentile²,

Crosa

et al. 2023

Environments

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A new possible breeding site of <i>Alosa fallax</i> (Lacépède 1803) (Actinopterygii: Clupeiformes: Alosidae) on the Tyrrhenian coast of Central Italy

Ferri,

Crescia,

Soccini

et al. 2024

Nat Hist Sci

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The River Mignone (Tarquinia, Viterbo, central Italy) is one of the best preserved watercourses in Lazio. Here, in April and May of the years 2020-2023, a conspicuous contingent of Alosa fallax (Lacépède 1803) was reported. The frenetic behaviour of the individuals observed, some of which showed swollen bellies and considerable size, suggested that this watercourse may represent a potential new breeding station for this threatened migratory euryhaline fish species. The correct recognition of the sex of A. fallax in the field, problematic during the breeding season, is crucial for understanding its population structure as indicators of possible reproduction. To this end, statistical analysis (Mann-Whitney U-test) of 20 morphometric measurements made on individuals captured and subsequently released revealed significant differences between the sexes for seven morphometric characters, confirming a sex ratio compatible with reproduction. However, the presence of a transverse dam with no fish ladder and the dispersion of biocides from farmland in the final stretch may represent a serious threat to effective reproduction.

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[First occurrence of Sea Lamprey, <em>Petromyzon marinus</em> Linnaeus 1758 (Agnatha, Petromyzontiformes, Petromyzontidae) in the River Mignone (Northern Lazio).]

Cited by 2 publications

References 6 publications

The Presence of Lampreys in the Tyrrhenian Rivers of the Campania Region (Southern Italy): A New Record of the Sea Lamprey Petromyzon marinus (Linnaeus 1758)

The Presence of Lampreys in the Tyrrhenian Rivers of the Campania Region (Southern Italy): A New Record of the Sea Lamprey Petromyzon marinus (Linnaeus 1758)

A new possible breeding site of <i>Alosa fallax</i> (Lacépède 1803) (Actinopterygii: Clupeiformes: Alosidae) on the Tyrrhenian coast of Central Italy

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