The Sea Lamprey &lt;i&gt;Petromyzon marinus&lt;/i&gt; (L.), River Lamprey &lt;i&gt;Lampetra fluviatilis&lt;/i&gt; (L.) and Brook Lamprey &lt;i&gt;Lampetra planeri&lt;/i&gt; (Bloch) in Ireland: General Biology, Ecology, Distribution And Status with Recommendations for Conservation

Igoe, Fran; Quigley, D. T. G.; Marnell, Ferdia; Meskell, E.; O'Connor, William; Byrne, Charles J.

doi:10.3318/bioe.2004.104.3.43

Cited by 18 publications

(16 citation statements)

References 22 publications

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“…Lelek (1973) stated that sea lampreys can be found in the open sea up to several hundred kilometres away from the coast. This is corroborated by a record of sea lamprey in a Nephrops trawl off the Porcupine Bank, 230 km off the west of Ireland (Igoe et al 2004). Almost all sea lampreys that were < 390 mm long were captured in the northwest Atlantic in bottom trawls on the continental shelf or in coastal trap nets, whereas most animals that were > 560 mm long were captured in mid-water trawls along the shelf edge or over the continental slope (Halliday & Mott 1991).…”

Section: Discussionmentioning

confidence: 66%

“…Four species belonging to the Petromyzontiformes are found in Germany (Freyhof 2002): the sea lamprey Petromyzon marinus Linnaeus, 1758, Vladykov´s lamprey Eudontomyzon vladykovi Oliva & Zanandrea, 1959, the river lamprey Lampetra fluviatilis (Linnaeus, 1758) and the brook lamprey Lampetra planeri (Bloch, 1784). However, due to little notable difference in chromosome number or in nuclear DNA content between the last 2 species (Schreiber & Engelhorn 1998), it is still open to question whether the brook and the river lamprey are separate species (Igoe et al 2004).…”

Section: Introductionmentioning

confidence: 99%

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Endangered anadromous lampreys in the southern Baltic Sea: spatial distribution, long-term trend, population status

Thiel¹,

Winkler²,

Riel³

et al. 2009

Endang. Species. Res.

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We analysed ~310 records of river lampreys Lampetra fluviatilis (Linnaeus, 1758) (~19 977 663 specimens) and 54 records of sea lampreys Petromyzon marinus Linnaeus, 1758 (~86 specimens) for the southern parts of ICES Subdivisions 22 and 24 to 26 in the Baltic Sea covering the period 1649 to 2005. Most sea lamprey records came from Subdivisions 22 and 24. The majority of river lamprey records stem from Subdivisions 24 and 26. We found no distinct temporal trend for sea lamprey stock development. However, a long-term trend showing decreasing catches of river lamprey was detected, indicating a stock decrease of this species from 1887 to 1999. The largest numbers of lamprey (largely river lamprey but may include some sea lamprey as species were not distinguished in the past) were caught in the period 1890 to 1919. Approximately 82% of the total lamprey catch in our study area was made in Subdivision 26. Roughly 65.3% of the mean annual yield of lampreys came from the lower Vistula River, the Vistula Lagoon and the Bay of Gdań sk. The river lamprey was mainly distributed in estuarine and coastal marine areas. Offshore records of sea lamprey were also rare. From 1990 to 2005, most river lamprey records and recorded individuals originated from the Szczecin Lagoon and its adjacent waters, demonstrating the present importance of these waters for their spawning migrations. Of 9 known river lamprey spawning sites, 5 were found in the Peene River system which flows into the Szczecin Lagoon. At present, no sea lamprey reproduction site is known from rivers of the German Baltic Sea area. A rebuilding programme is required for the river lamprey; this should definitely contain measures to restore lost spawning sites and the connectivities within the river systems where spawning populations still occur. Protected areas in estuarine waters with important lamprey migration routes may be an additional measure for the conservation of these anadromous species.

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Section: Discussionmentioning

confidence: 66%

Section: Introductionmentioning

confidence: 99%

Endangered anadromous lampreys in the southern Baltic Sea: spatial distribution, long-term trend, population status

Thiel¹,

Winkler²,

Riel³

et al. 2009

Endang. Species. Res.

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“…"Target Species Density" (Table 1) refers to previous evidence of adult sea lamprey activity within the relevant catchment, in terms of nest counts and/or of individual fish. In excess of 500 sea lamprey and 136 nests were reported below the weir at Annacotty on the Mulkear by Igoe et al (2004). Likewise, in excess of 50 adult sea lamprey were taken over a single day on the Mulkear by netting for use in a telemetry study by Rooney, Wightman, Ó'Conchúir, and King (2015).…”

Section: Study Sites and Selection Of Sampling Locationsmentioning

confidence: 99%

Identifying spawning sites and other critical habitat in lotic systems using eDNA “snapshots”: A case study using the sea lamprey Petromyzon marinus L.

Bracken

Rooney

Kelly‐Quinn

et al. 2018

Ecology and Evolution

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Many aquatic species of conservation concern exist at low densities and are inherently difficult to detect or monitor using conventional methods. However, the introduction of environmental (e)DNA has recently transformed our ability to detect these species and enables effective deployment of limited conservation resources. Identifying areas for breeding, as well as the ecological distribution of species, is vital to the survival or recovery of a conservation species (i.e., areas of critical habitat). In many species, spawning events are associated with a higher relative abundance of DNA released within an aquatic system (i.e., gametes, skin cells etc.), making this the ideal time to monitor these species using eDNA techniques. This study aims to examine whether a “snapshot” eDNA sampling approach (i.e., samples taken at fixed points in chronological time) could reveal areas of critical habitat including spawning sites for our target species Petromyzon marinus. We utilized a species‐specific qPCR assay to monitor spatial and temporal patterns in eDNA concentration within two river catchments in Ireland over three consecutive years. We found that eDNA concentration increased at the onset of observed spawning activity and patterns of concentration increased from downstream to upstream over time, suggesting dispersal into the higher reaches as the spawning season progressed. We found P. marinus to be present upstream of several potential barriers to migration, sometimes in significant numbers. Our results also show that the addition of a lamprey‐specific fish pass at an “impassable” weir, although assisting in ascent, did not have any significant impact on eDNA concentration upstream after the pass had been installed. eDNA concentration was also found to be significantly correlated with both the number of fish and the number of nests encountered. The application of snapshot sampling techniques for species monitoring therefore has substantial potential for the management of low‐density species in fast‐moving aquatic systems.

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“…In the last decades, several authors pointed out a decline in the abundance of sea lamprey population in the Portuguese rivers where it attains a high commercial value [12][13][14][15][16][17][18][19]. Dams that block the access of adults to the spawning habitats, overfishing, poaching and the pollution Brought to you by | New York University Bobst Library Technical Services Authenticated Download Date | 6/1/15 6:07 PM resulting from industrial effluent and agricultural industry, are frequently pointed out as the main reasons for the decrease of European sea lamprey populations [17,18,[20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Can mitochondrial malondialdehyde content be a useful tool to evaluate sea lamprey juveniles’ capacity to seawater acclimatization?

Candeias

Alves-Pereira²,

Lança³

et al. 2015

Green Processing and Synthesis

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The sea lamprey is an anadromous species that migrates twice during its life cycle between freshwater and seawater.Microphagous larvae generally spend 4-5 years burrowed in the substrate of rivers and streams before undergoing metamorphosis that ends with the beginning of the juvenile trophic migration. Once metamorphosis is complete, sea lamprey juvenile downstream migrants are fully tolerant to seawater salinity. Pollution resulting from industrial effluents may disturb the seawater acclimatization causing oxidative damage, and ultimately may lead to a decrease of sea lamprey population. The aim of this study was to compare salt acclimation of sea lamprey juveniles captured in river basins with different levels of aquatic pollution, using mitochondrial glutathione (GSH) and malondialdehyde (MDA) of gills and liver as markers of physiological stress and cell damage. The results showed that juveniles from the Lima basin exhibited the highest levels of mitochondrial MDA in gills, even though significant changes in the stress markers of mitochondrial gills of all animals subject to salt acclimation were not detected. In addition, an increase in the oxidative damage of hepatic mitochondria of macrophthalmia from the Vouga basin suggests the occurrence of metabolic failures with the potential to disturb the capacity to adaptation to the marine environment.

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The Sea Lamprey <i>Petromyzon marinus</i> (L.), River Lamprey <i>Lampetra fluviatilis</i> (L.) and Brook Lamprey <i>Lampetra planeri</i> (Bloch) in Ireland: General Biology, Ecology, Distribution And Status with Recommendations for Conservation

Cited by 18 publications

References 22 publications

Endangered anadromous lampreys in the southern Baltic Sea: spatial distribution, long-term trend, population status

Endangered anadromous lampreys in the southern Baltic Sea: spatial distribution, long-term trend, population status

Identifying spawning sites and other critical habitat in lotic systems using eDNA “snapshots”: A case study using the sea lamprey Petromyzon marinus L.

Can mitochondrial malondialdehyde content be a useful tool to evaluate sea lamprey juveniles’ capacity to seawater acclimatization?

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