Probarbus jullieni, Isok barb : fisheries, aquaculture, gamefish

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Probarbus jullieni Sauvage, 1880

Isok barb
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Image of Probarbus jullieni (Isok barb)
Probarbus jullieni
Foto de Freyhof, J.

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

> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Probarbinae
Etymology: Probarbus: Greek, pro = first, in front of + Latin, barbus = barbel (Ref. 45335).
Eponymy: The etymology only helps to the extent that a ‘J Jullien’ collected both holotypes. [...] (Ref. 128868), visit book page.
More on author: Sauvage.

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

; agua dulce; salobre demersal; potamodromo (Ref. 37770). Tropical; 28°N - 5°N

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

Asia: Mekong, Chao Phraya and Meklong basins of Indo-China and Thailand, and the Pahang and Perak basins of Malaysia (Ref. 7427). Catch, trade and transportation forbidden in Laos (Ref. 12217).

Tamaño / Peso / Edad

Madurez: Lm ?  range ? - ? cm
Max length : 150 cm SL macho / no sexado; (Ref. 30857); common length : 28.0 cm TL macho / no sexado; (Ref. 2073); peso máximo publicado: 70.0 kg (Ref. 12369)

Descripción breve Claves de identificación | Morfología | Morfometría

Radios blandos dorsales (total) : 13; Radios blandos anales: 8. Differs from P. labeamajor in having only 5 (instead of 6) stripes between lateral line scale row and dorsal fin base; lips not enlarged, free posterior margin of lower lip interrupted at midline; large adults without mentum; maxillary barbel invariably well developed, length one-third or more of eye diameter. The only species in which body stripes may extend to every scale row, but this only occurs in some larger and more darkly pigmented individuals. P. labeamajor and P. labeaminor have no more than three stripes below lateral line scale row, and the abdomen is uniformly white. Adults and larger juveniles of P. jullieni usually have much more red and sometimes yellow coloration on head, body, and fins than the other two species. Scale rows between lateral line scale row and pelvic fin 4.
Body shape (shape guide): elongated; Cross section: compressed.

Biología     Glosario (por ej. epibenthic)

Inhabits mainly the mainstream of large rivers (Ref. 10431), with sand or gravel substrates and abundant mollusks populations (Ref. 12693). Occurs in deep slow reaches (Ref. 37769). Feeds on aquatic plants, insects and shelled mollusks. Spawns in winter (late December-early February) in big riverine deltas over sand and gravel substrate with water current of 1.3 m/sec (Ref. 6459). Undertakes spawning and trophic migrations in the Mekong basin. Trophic migrations occurs throughout its occurrence range which takes place mainly at the onset of the flood season and are mainly undertaken by juveniles and subadults (Ref. 37770). Upstream spawning migrations take place between October and February from Kompong Cham in Cambodia to Chiang Khong in Thailand. At Chiang Khong , fishermen reported that Probarbus moves up the tributary Nam Ta in Laos to breed in March-April. Three Probarbus species were also reported to migrate together, but spawn separately, in January-February at Sungkom, Nong Khai Province in Thailand (Ref. 37770). Egg is buoyant, yellow and 2 mm in diameter. Hatching occurs in 32 hrs at 23°C (Ref. 6459). An excellent foodfish, sometimes consumed raw, but rather scarce so it fetches a high market price (Ref. 2686). Eggs are especially priced (Ref. 12369). Used to be cultured commercially in Thailand (Ref. 7306). May be caught individually or in small numbers of any size incidentally with gillnetting and other fishing activities, at virtually any time or place in the Mekong mainstream (Ref. 10431), but mostly caught during November-January spawning migration, when it is by far the most important species in fisheries catch (Ref. 12369). In the Mekong this important fisheries species is under serious long-term decline and this decline evidently is basin wide and the most obvious (but not necessarily only) reason is overfishing with gillnets during the reproductive migrations and spawning periods (Ref. 10431). Attains 70 kg or more, but mostly marketed size nowadays are 5-20 kg (Ref. 12369).

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

Referencia principal Suba sus referencias | Referencias | Coordinador | Colaboradores

Roberts, T.R., 1992. Revision of the Southeast Asian cyprinid fish genus Probarbus, with two new species threatened by proposed construction of dams on the Mekong River. Ichthyol. Explor. Freshwat. 3(1):37-48. (Ref. 7427)

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

  Critically Endangered (CR) (A2d); Date assessed: 29 January 2019

CITES


CMS (Ref. 116361)

Not Evaluated

Amenaza para el ser humano

  Harmless





Usos humanos

Pesquerías: comercial; Acuicultura: experimental; pesca deportiva: si
FAO - Sistemas de acuicultura: producción; ; Publication: search | FishSource |

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

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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 | ECOTOX | FAO - Sistemas de acuicultura: producción; ; Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | Acuarios públicos | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Árbol de la vida | Wikipedia: Go, búsqueda | World Records Freshwater Fishing | Zoobank | Expediente Zoológico

Estimaciones basadas en modelos

Índice de diversidad filogenética (Referencia 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00189 - 0.01159), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nivel trófico (Referencia 69278):  3.2   ±0.40 se; based on food items.
Resiliencia (Referencia 120179):  Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Preliminary K or Fecundity.).
Vulnerabilidad pesquera (Ref. 59153):  Very high vulnerability (90 of 100). 🛈
Categoría de precios (Ref. 80766):   Unknown.
Nutrientes (Ref. 124155):  Calcium = 119 [58, 216] mg/100g; Iron = 1.03 [0.59, 1.83] mg/100g; Protein = 17.5 [16.4, 18.5] %; Omega3 = 0.136 [0.063, 0.292] g/100g; Selenium = 68.7 [31.3, 150.8] μg/100g; VitaminA = 15.2 [5.2, 47.7] μg/100g; Zinc = 1.27 [0.87, 1.85] mg/100g (wet weight);