Lethenteron reissneri, Far Eastern brook lamprey

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Lethenteron reissneri (Dybowski, 1869)

Far Eastern brook lamprey
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Lethenteron reissneri
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Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Petromyzontiformes (Lampreys) > Petromyzontidae (Northern lampreys) > Lampetrinae
Etymology: Lethenteron: Greek, letheia = apathetic (lethe = oblivion) + Greek, enteron = intestine (Ref. 45335); referring to the degeneration of the intestine (Ref. 117245).  More on author: Dybowski.

Environment: milieu / climate zone / depth range / distribution range Ecologia

; acqua dolce demersale.   Temperate

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Artic and Pacific Ocean drainages: In Europe in Umbra (Kola Peninsula), Severnaya Dvina, Mezen and upper Pechora drainages. In Asia eastward to Andyr drainage (Bering Sea); Amur drainage; Sakhalin Island, Hokkaido (Japan).

Length at first maturity / Size / Peso / Age

Maturity: Lm ?, range 13 - 26 cm
Max length : 26.0 cm TL maschio/sesso non determinato; (Ref. 59043); common length : 18.0 cm TL maschio/sesso non determinato; (Ref. 56557); Età massima riportata: 4 anni (Ref. 12218)

Short description Morfologia | Morfometria

Body dark brown on back and white on belly; 7 external gill openings behind eyes; single nostril opening in front of both eyes; myotomes from last gill aperture to origin of anal fin 58-64 (Ref. 45563). Diagnostic features of adults: 11.1-20.2 cm TL. Body proportions, as percentage of TL (based on 19 specimens measuring 11.6-17.2 cm TL): prebranchial length, 10.3-12.3; branchial length, 9.5-13.3; trunk length, 46.0-54.2; tail length, 25.0-31.6; eye length, 1.2-2.4; disc length, 4.7-6.4. Urogenital papilla length, as a percentage of branchial length, in three spawning males measuring 14.3-15.4 cm TL, 16.4-67.8 (based on 21 spawning males 11.1-15.4 cm TL). Trunk myomeres, 57-65. Dentition: supraoral lamina, 2 unicuspid teeth; infraoral lamina, 6-11 unicuspid teeth; 3 endolaterals on each side; endolateral formula, typically 2-2-2; 1-2 rows of anterials; first row of anterials, 4-5 unicuspid teeth; total number of anterials, 38-44 unicuspid teeth; usually one exolateral present on one or both sides, exceptionally, one complete row of exolaterals on each side; single row of posterials consisting of 19-27 unicuspid teeth; transverse lingual lamina, 13 unicuspid teeth, the median one greatly enlarged; longitudinal lingual laminae each with 7-8 unicuspid teeth. Velar tentacles, 7, with tubercles, the median tentacle shorter than the lateral ones immediately next to it. Lateral line neuromasts unpigmented. Gular region unpigmented. Second dorsal fin unpigmented. Extent of caudal fin pigmentation, 1% to <25% (33%) or, 75% or more (67%). Caudal fin shape, spade-like (Ref. 89241).

Biologia     Glossario (es. epibenthic)

Freshwater. Occurs in rivers, brooks, ponds, and lakes (Ref. 89241). Inhabits all types of rivers and streams, including brackish waters and enters floodplain meadows during high waters. Ammocoetes occur in detritus-rich sands or clay sediments (Ref. 59043). Parasitic; semelparous (Ref. 12218). Adults nonparasitic (Ref. 89241). Spawns in shallow water on sand-gravel bottom (Ref. 59043). Spawning period in Japan is from mid to late May. Fecundity, 495-2,942 eggs/female in Japan, with the long diameter of eggs varying from 0.98 to 1.37 mm and the short diameter from 0.86 to 1.25 mm (Ref. 89241).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)

IUCN Red List Status (Ref. 123251)

  Least Concern (LC) ; Date assessed: 01 January 2008

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Informazioni ulteriori

Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
Stocks
Ecologia
Dieta
Prede
Consumo di cibo
Razione
Nomi Comuni
Sinonimi
Metabolismo
Predatori
Ecotossicologia
Riproduzione
Maturità
Deposizione
Spawning aggregation
Fecundity
Uova
Egg development
Age/Size
Accrescimento
Length-weight
Length-length
Length-frequencies
Morfometria
Morfologia
Larve
Dinamica popolazioni larvali
Reclutamento
Abbondanza
BRUVS
Bibliografia
Acquacoltura
Profilo di acquacoltura
Varietà
Genetica
Frequenze alleliche
Ereditarietà
Malattie
Elaborazione
Nutrients
Mass conversion
Collaboratori
Immagini
Stamps, Coins Misc.
Suoni
Ciguatera
Velocità
Modalità di nuoto
Area branchiale
Otoliths
Cervelli
Vista

Strumenti

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Fonti Internet

Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Genere, Specie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, ricerca | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00120 (0.00063 - 0.00228), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.5   ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref. 120179):  Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (tmax=4; Fec=6,000 (semelparous)).
Vulnerability (Ref. 59153):  Low vulnerability (21 of 100) .