Lampetra pacifica, Pacific brook lamprey

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Lampetra pacifica Vladykov, 1973

Pacific brook lamprey
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Image of Lampetra pacifica (Pacific brook lamprey)
Lampetra pacifica
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Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | 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);  pacifica: -ica (Gr.), belonging to: Pacific Coast streams of California and Oregon, USA, where it occurs. (See ETYFish).

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

; Água doce demersal; não migratória. Temperate

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

North America: USA, restricted to Columbia River drainage, Oregon,

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 17.5 cm TL macho/indeterminado; (Ref. 89241); common length : 12.5 cm TL macho/indeterminado; (Ref. 12193)

Descrição suscinta Morfologia | Morfometria

Adults: 9.8-17.5 cm TL. Body proportions, as percentage of TL (based on 39 specimens measuring 9.8-17.3 cm TL): prebranchial length, 8.9-12.8; branchial length, 8.9-11.3; trunk length, 44.7-53.5; tail length, 24.3-35.0; eye length, 1.4-3.0; disc length, 4.1-7.2. Urogenital papilla length, as a percentage of branchial length, in ten spawning males measuring 11.2-13.3 cm TL, 17.8-36.4. Trunk myomeres, 53-58. Dentition: supraoral lamina, 2 unicuspid teeth; infraoral lamina, 6-9 unicuspid teeth, usually 8; usually 3 endolaterals on each side, occasionally 2 on one side; endolateral formulae highly variable with the first two teeth 1-3 and the third 1-2; 1-2 rows of anterials; first row of anterials, 6 unicuspid teeth (in spawning specimens, the teeth in the anterior field may be lost); exolaterals absent; posterials absent; transverse lingual lamina, undetermined number of minute unicuspid teeth on either side of an enlarged median one; longitudinal lingual laminae cusps too small to count. Velar tentacles, 3-6, with tubercles. Body coloration (preserved), dark gray on dorsal and lateral aspects, whitish on ventral aspect. Lateral line neuromasts unpigmented. Extent of caudal fin pigmentation, 1% to <25% (in prespawning individuals) or, 75% or more (in spawning individuals). Fleshy tissues around the lingual laminae darkly pigmented. Caudal fin shape, rounded. Oral fimbriae, 83 (holotype).

Biologia     Glossário (p.ex. epibenthic)

Freshwater; creeks and rivers. Metamorphosis occurs in October in Oregon and California. Adults nonparasitic. Based on the dates of collection of spawning individuals in the original description, the spawning period probably occurs between mid-April and August in Oregon, while in California spawning probably occurs between the end of April and the beginning of May (Ref. 89241).

Ciclo de vida ou comportamento de acasalamento Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Renaud, C.B., 2011. Lampreys of the world. An annotated and illustrated catalogue of lamprey species known to date. FAO Species Catalogue for Fishery Purposes. No. 5. Rome, FAO. 109 pp. (Ref. 89241)

Status na Lista Vermelha da UICN (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless





Uso pelos humanos

FAO - Publication: search | FishSource |

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Fontes da internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Checar Observador de Peixes (FishWatcher) | CISTI | Catalog of Fishes: Gênero, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoma, nucleotídeo | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia: Ir para, procura | World Records Freshwater Fishing | Zoobank | Registro zoológico

Estimates based on models

Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5002   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00126 (0.00056 - 0.00284), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.7   ±0.5 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Semelparous species, assuming tm (= tmax) > 4).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).