Thaleichthys pacificus, Eulachon : fisheries

Thaleichthys pacificus (Richardson, 1836)

Eulachon
Añada su observación en Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Thaleichthys pacificus   AquaMaps   Data sources: GBIF OBIS
Sube tu fotos y Vídeos
Imágenes | Google image
Image of Thaleichthys pacificus (Eulachon)
Thaleichthys pacificus
Foto de Bull. U.S. Bur. Fish.

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

> Osmeriformes (Freshwater smelts) > Osmeridae (Smelts)
Etymology: Thaleichthys: Greek, thaleia, -as = abundance + Greek, ichthys = fish (Ref. 45335)pacificus: pacificus - of the Pacific (Ref. 1998).
More on author: Richardson.

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

marino; agua dulce; salobre pelagic-neritic; anadromo (Ref. 138124); rango de profundidad 0 - 300 m (Ref. 6793). Temperate; 61°N - 40°N, 171°W - 121°W (Ref. 86798)

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

North Pacific: west of Saint Matthew Island and Kuskokwim Bay in the Bering Sea, and Bowers Bank in the Aleutian Islands to Monterey Bay, California, USA. Populations from northern British Columbia are separate from those in the Fraser River (Ref. 10276).

Longitud en la primera madurez / Tamaño / Peso / Edad

Madurez: Lm 15.5, range 15 - 16 cm
Max length : 34.0 cm TL macho / no sexado; (Ref. 56527); common length : 20.0 cm TL macho / no sexado; (Ref. 7354); edad máxima reportada: 5 años (Ref. 12193)

Descripción breve Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 10 - 13; Espinas anales: 0; Radios blandos anales: 18 - 23; Vértebra: 65 - 72. Distinguished by the large canine teeth on the vomer and 18 to 23 rays in the anal fin (Ref. 27547). Adipose fin sickle-shaped; paired fins longer in males than in females; all fins with well developed breeding tubercles in ripe males which are poorly developed or absent in females (Ref. 27547). Adult coloration is brown to blue on back and top of the head, the sides lighter to silvery white, and the ventral surface white; speckling is fine, sparse and restricted to the back; peritoneum is light with black speckles (Ref. 6885). Fins transparent, pectorals and caudal often dusky (Ref. 27547). During spawning, male fish has a distinctly raised ridge along the middle of the body and a rough texture, differentiating it from the female which is smaller, smoother and shinier.
Body shape (shape guide): elongated; Cross section: compressed.

Biología     Glosario (por ej. epibenthic)

Found near shore and in coastal inlets and rivers (Ref. 2850). Possibly to 625 m depth (Ref. 6793). Spends most of its life in the sea, returning to freshwater streams to spawn (Ref. 27547). There is evidence of return to natal streams (Ref. 10276). May migrate up to 160 km upstream. Feeds on plankton and only while at sea (11699, 10276). Excellent food fish and source of oil (15% body wt.). Anadromous (Ref. 96339).

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

The spawning run from the sea to freshwater streams begins when river temperature rises to about 4.4° but the fish stop running if temperature exceeds 7.8°C. Males predominate the early part of the run, but their numbers are equalled or exceeded by females later (Ref. 10276, 11699). Adults usually die after spawning but some move back to the sea and return to spawn a second time (Ref. 1998). Upon hatching, larvae are found near the bottom and are soon carried downstream to salt water and eventually found in the scattering layer of coastal waters (Ref. 27547).

Referencia principal Suba sus referencias | Referencias | Coordinador | Colaboradores

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

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

  Least Concern (LC) ; Date assessed: 01 March 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Amenaza para el ser humano

  Harmless





Usos humanos

Pesquerías: comercial
FAO - pesquerías: landings search; Publication: search | FishSource | Sea Around Us

Más información

Ecología Trófica
Alimentos (presas)
Composición de la dieta
consumo de alimento
Raciones de comida
Despredadores
Ecología
Ecología
Dinámica de la población
Coeficiente del crecimiento para
Edades / tallas máximas
Longitud-peso rel.
Longitud-longitud rel.
Longitud-frecuencias
Conversión de masas
Reclutamiento
Abundancia
Ciclo de vida
Reproducción
Madurez
Madurez/Gills rel.
Fecundidad
Puesta
Agregaciones de desove
Huevos
Desarrollo de los huevos
Larva
Dinámica larvaria
Distribución
Territorios
Áreas FAO
Ecosistemas
Ocurrencias, apariciones
Introducciones
BRUVS - Vídeos
Anatomía
Superficie branquial
Cerebro
Otolito
Fisiología
Composición corporal
Nutrientes
Consumo del oxígeno
Tipo de natación
Velocidad de natación
Pigmentos visuales
Sonido de peces
Enfermedades y parásitos
Toxicidad (CL50)
Genética
Genoma
Genética
Heterocigosidad
heritabilidad
Diversidad genética
Relacionados con el ser humano
Sistemas de acuicultura
Perfiles de acuicultura
Razas
Ciguatera cases
Sellos, monedas, varios
Divulgación
Colaboradores
Referencias
Referencias

Herramientas

Informes especiales

Descargar XML

Fuentes de Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Género, Especie | DiscoverLife | ECOTOX | FAO - pesquerías: landings search; Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OceanAdapt | 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 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00372 (0.00180 - 0.00765), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico
(Referencia 69278)
3.3   ±0.37 se; based on food items.
Generation time 3.2 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resiliencia
(Referencia 120179)
Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (tm=2-6; tmax=5; K=0.34; Fec=17,000-60,000 Musick et al. 2000 (Ref. 36717)).
Rate of population increase Prior r = 0.15, 95% CL = 0.10 - 0.22, Based on 1 full stock assessment.
Vulnerabilidad pesquera
(Ref. 59153)
Low to moderate vulnerability (33 of 100). 🛈
Vulnerabilidad climática
(Ref. 125649)
Moderate vulnerability (35 of 100). 🛈
Categoría de precios
(Ref. 80766)
Very high.
Nutrientes
(Ref. 124155)
Calcium = 98.1 [24.8, 242.3] mg/100g; Iron = 0.808 [0.238, 2.305] mg/100g; Protein = 14.8 [13.7, 16.1] %; Omega3 = 1.23 [0.53, 3.04] g/100g; Selenium = 13.3 [5.8, 38.0] μg/100g; VitaminA = 15.1 [4.9, 47.7] μg/100g; Zinc = 1.02 [0.47, 1.97] mg/100g (wet weight); based on nutrient studies.