Lampetra fluviatilis, River lamprey : fisheries, bait

Lampetra fluviatilis (Linnaeus, 1758)

River lamprey
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Lampetra fluviatilis   AquaMaps   Data sources: GBIF OBIS
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Image of Lampetra fluviatilis (River lamprey)
Lampetra fluviatilis
Foto de Zauke, G.P.

Clasificación / Nombres Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Petromyzontiformes (Lampreys) > Petromyzontidae (Northern lampreys) > Lampetrinae
Etymology: Lampetra: lambo (L.), to lick; petra (Gr.), rock or stone, referring to their suctorial behavior (adults attach to rocks during nest building and mating) (See ETYFish); fluviatilis: Latin for “of a river,” referring to its upstream river spawning migration (See ETYFish).
More on author: Linnaeus.

Taxonomic Remarks
Berg (1931) suggested that this species consists of two races; a normal form (forma typica) and a smaller praecox form. The praecox form has been reported from the Neva River and Lake Ladoga in the Russian Federation and the Severn River in England (UK) (Ref. 89241).

Entorno: milieu / zona climática / rango de profundidad / gama de distribución Ecología

marino; agua dulce; salobre demersal; anadromo (Ref. 59043); rango de profundidad 10 - ? m. Temperate; 5°C - 18°C (Ref. 12468); 69°N - 38°N, 11°W - 29°E (Ref. 59043)

Distribución Territorios | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Mapa de puntos | Introducciones | Faunafri

Europe: southern Norway to France, including Ireland and the British Isles. Also in the Baltic Sea and along the French and western Italian coasts of the Mediterranean Sea (Ref. 59043). Absent from Black, Caspian and Polar seas (Ref. 3161). Landlocked populations from Lake Mjosa in Norway (Ref. 12269), Lakes Ladoga and Onega, upper Volga in Russia, Loch Lomond in Scotland, some Finnish lakes and possibly in Lough Neagh in Ireland (Ref. 59043).

Longitud en la primera madurez / Tamaño / Peso / Edad

Madurez: Lm 34.8, range 32 - 34 cm
Max length : 50.0 cm TL macho / no sexado; (Ref. 30578); common length : 35.0 cm TL macho / no sexado; (Ref. 30578); common length :32 cm TL (female); peso máximo publicado: 150.00 g (Ref. 40476); edad máxima reportada: 10 años (Ref. 30578)

Descripción breve Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Espinas anales: 0; Radios blandos anales: 0. It is jawless with a round sucker-like mouth and has an outer circle of small teeth and an inner circle of large teeth (Ref. 88171). It has a typical eel-like shape with 2 dorsal fins and 7 gill openings behind the eye. It lacks paired fins. Young adults are uniformly greyish in colour. As it ages, the river lamprey becomes greenish-brown dorsally, golden yellow along the sides and white ventrally (Ref. 58137). In coastal waters of Germany, it can be confused with the sea lamprey (Petromyzon marinus), which is distinguished by having its teeth arranged in many consecutive circular rows (Ref. 88171). Other diagnostic features: Adults 8.6-49.2 cm TL. Body wet weight in individuals 18.0-49.2 cm TL, 30-150 g. Body proportions, as percentage of TL (based on 48 specimens measuring 10.8-38.6 cm TL): prebranchial length, 10.0-12.9; branchial length, 7.9-11.3; trunk length, 46.2-54.3; tail length, 24.1-30.3; eye length, 1.4-3.1; disc length, 4.6-7.0. Urogenital papilla length, as a percentage of branchial length, in 19 spawning males measuring 19.7-28.3 cm TL, 15.9-37.5. Trunk myomeres, 58-66. Dentition: marginals, 70-95; supraoral lamina, 2 unicuspid teeth; infraoral lamina, 5-9 either all unicuspid teeth or, more frequently, the lateralmost are bicuspid and the internal ones unicuspid; 3 endolaterals on each side; endolateral formula, typically 2-3-2, rarely 1-3-2 or 2-3-1; 1-2 rows of anterials; first row of anterials, 4-7 unicuspid teeth; exolaterals absent; posterials absent; transverse lingual lamina, 8-18, usually 12-14, unicuspid laminae straight or parentheses-shaped and each with 9-13 unicuspid teeth. Marginal membrane present. Velar tentacles, 4-10, with tubercles; no velar wings. Body coloration in recently metamorphosed individuals silvery; in preserved upstream migrants, bluish brown or lead gray on the dorsal aspect tending towards silvery on the lateral aspects and whitish or yellowish on ventral aspect. Early upstream spawning migrants returning from the sea have a bronze sheen. Dorsal fins of maturing individuals may have a purplish tint. Iris is golden yellow. Body coloration in the landlocked population in Lake Ladoga is completely black. Lateral line neuromasts unpigmented or darkly pigmented. Extent of caudal fin pigmentation, absent or trace in young adults and 75% or more in spawning individuals. Caudal fin shape, spade-like. Oral fimbriae, 84-112. Oral papillae, 11-20 (Ref. 89241).
Body shape (shape guide): eel-like; Cross section: circular.

Biología     Glosario (por ej. epibenthic)

In fresh waters, in rivers, brooks, and lakes. Anadromous, but some populations are permanent freshwater residents (e.g. Lough Neagh, Northern Ireland (UK); Loch Lomond, Scotland (UK); lakes Ladoga and Onega, Russian Federation) (Ref. 89241). Amphihaline species (Ref. 51442). Metamorphosis takes place at a length of about 13 cm and they migrate to the sea (Ref. 51442). Most river lampreys live 4-7 years and reach 30-35 cm length (Ref. 88187). Females grow larger than males (Ref. 58137). Adults spend 1-2 years at sea, often along the coast or in estuaries (Ref. 59043). They live on hard bottoms or attached to larger fish like cod and herring (Ref. 88174). Adults are parasitic, feeding on fishes by sucking their blood and afterwards consuming the flesh (Ref. 1998). Adults predatory on marine fishes from the end of July to October. Trematodes and cestodes have been found in the intestine of prespawning adults at sea. (Ref. 89241). In autumn, adults commonly undergo reproductive migration from the sea to shallow middle or upper reaches of rivers and streams with strong currents (1.0-2.0 m/s in British rivers) and gravel bottoms (Ref. 51442, 59043, 88171). Spawning migration upriver (Vistula and Neman rivers) begins near the end of September in the Baltic Sea Basin. In tributaries to the Gulf of Finland (Narva, Neva, and Luga rivers), upstream spawning migrations occur twice yearly; once in summer-fall and once in spring. In the upper Rhine River, the spawning season is February to April; in England (UK) from April to May; and in the lower Neva River, Russian Federation, from early June to early July (Ref. 89241). During reproductive migration and reproduction, adults do not feed but instead utilize their lipid reserves (Ref. 30578) and are known to undergo a considerable shortening of up to 27 per cent (Ref. 83507). Fecundity is highly variable and ranges from 650 to 42,500 eggs/female; 10,000-16,000 eggs/female in Lake Ladoga. Communal spawning in the same redd by L. fluviatilis and L. planeri has been reported in the River Tywi Basin, Wales (UK), in April, at a water temperature of 11 °C. Both species participated in constructing a redd about 23 cm in diameter and 5-8 cm deep, consisting of pebbles, gravel and coarse sand (Ref. 89241). Spawning takes place in pre-excavated pits in river beds, its depth between 50-100 cm; after spawning the adults die (Ref. 51442). The blind ammocoetes are filter feeders of detritus and microorganisms; they live mostly buried in sand, silt or clay sediments for up to 4.5 years, often at the edges of rivers and streams where currents are slow (Ref. 51442, 59043, 88184, 88185). Sometimes they are found in substrates with submerged vegetation and plant debris (Ref. 12285). Ammocoetes may tolerate low oxygen levels but when burrows reach near anoxic levels, the larvae need to emerge from the substrate in order to survive (Ref. 88184). Fisheries exist in England (UK), Finland, France, and the Russian Federation. In the 19th century, up to 450,000 adults yearly were used by the English fishing fleet as bait in the fisheries for Gadus morhua and Psetta maxima. In Finland, the catch in 1983 was 2.3-2.4 million individuals (about 100 t) for a value of $800,000 US. There are reports of intoxication through eating this species (Halstead 1967). The mucus and serum are poisonous and the flesh must be thoroughly washed and all the blood removed before consumption (Ref. 5504). Cooking method involves de-sliming, removal of heads and branchial regions, the rest of the body covered in sunflower flour, and cooked in sunflower oil (Ref.89241). Utilized fresh and smoked; eaten fried (Ref. 9988).

Ciclo vital y comportamiento de apareamiento Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Adults migrate from the sea to the rivers to spawn (Ref. 51442), ascending rivers at night, anytime between autumn and spring but this movement ceases when water temperature drops (Ref. 59043). During the early stages of its spawning migration, the river lamprey has been shown to be attracted to chemical odours given off by ammocoetes (Ref. 88188). Males reach the spawning grounds first and build nests at depths between 50-100 cm, which have a diameter of 20-40 cm and a height of 10 cm (Ref. 12285, 51442, 59043, 88186). The river lamprey forms spawning aggregations, often during sunny days, when water temperature rises above 9 °C (Ref. 59043). Females may spawn with up to 6 males on separate occasions. One nest is usually utilized by a single mating pair (Ref. 59043). Adults spawn only once in their lifetime and usually die within 2 weeks after spawning (Ref. 12285, 51442). Eggs hatch in 15-30 days (Ref. 88184). The ammocoetes live in the calm zones of the river until metamorphosis at about 13 cm length before migrating to the sea (Ref. 51442).

Referencia principal Suba sus referencias | Referencias | Coordinador | Colaboradores

Vladykov, V.D., 1984. Petromyzonidae. p. 64-67. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen, and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and Mediterranean. UNESCO, Paris. vol. 1. (Ref. 3161)

Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))

  Near Threatened (NT) (A2ce); Date assessed: 08 June 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Amenaza para el ser humano

  Poisonous to eat (Ref. 5504)





Usos humanos

Pesquerías: escaso valor comercial; carnada: usually
FAO - pesquerías: landings search; Publication: search | FishSource |

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Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | DORIS | ECOTOX | FAO - pesquerías: landings search; Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Bases de datos nacionales | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Expediente Zoológico

Estimaciones basadas en modelos

Índice de diversidad filogenética
(Referencia 82804) 		PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00129 (0.00077 - 0.00215), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Nivel trófico
(Referencia 69278) 		4.5   ±0.80 se; based on food items.
Resiliencia
(Referencia 120179) 		Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Semelparous species, assuming tm (= tmax) > 4).
Vulnerabilidad pesquera
(Ref. 59153) 		High vulnerability (62 of 100). 🛈
Categoría de precios
(Ref. 80766) 		Unknown.
Nutrientes
(Ref. 124155) 		Calcium = 17.4 [4.6, 54.3] mg/100g; Iron = 0.316 [0.129, 1.027] mg/100g; Protein = 3.17 [0.00, 6.85] %; Omega3 = 0.621 [0.285, 1.447] g/100g; Selenium = 13.4 [4.2, 38.4] μg/100g; VitaminA = 25.8 [8.9, 78.1] μg/100g; Zinc = 0.472 [0.234, 0.895] mg/100g (wet weight);