Hucho hucho (Linnaeus, 1758)

Huchen

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Salmoniformes \| Salmonidae \| Salmoninae
Synonyms	Salmo hucho, ... more
Common names	Huchon, Salmón del Danubio, Danube, ... more

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Picture by Moreau, J.

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Main reference

Kottelat, M. 1997. (Ref. 13696)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 150 cm TL male/unsexed; (Ref. 11243); common length : 70.0 cm TL male/unsexed; (Ref. 682); max. published weight: 52.0 kg (Ref. 719); max. reported age: 15 years (Ref. 682)

Environment

Benthopelagic; potamodromous (Ref. 51243); freshwater

Climate / Range

Temperate; 6°C - 18°C (Ref. 2059); 50°N - 44°N, 8°E - 21°E

Europe: Rivers of the Danube basin. Introduced into other European river basins when their numbers declined due to ecological changes in the Danube. Appendix III of the Bern Convention (protected fauna).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 3 - 5; Dorsal soft rays (total): 8 - 14; Anal spines: 3 - 5; Anal soft rays: 7 - 14; Vertebrae: 66 - 72. Also Ref. 2196.

Usually solitary, inhabits deeper regions of swift flowing streams with oxygen rich waters. Adults are territorial but not solitary (Ref. 26170). Carnivore. Juveniles feed mainly on invertebrates and adults mostly on fishes, but also prey on amphibians, reptiles, small mammals and waterfowl (Ref. 26170). Important sport fish with minimum size of catch from 50-55 cm. Transplantations of young artificially incubated and reared fish have not been successful. Depletion of stocks due to overexploitation, industrial pollution, waterway redirection and badly designed or non-existent fish ladders in dams and reservoirs. Territorial, but migrates short distances upstream for spawning (Ref. 556). Reported to be one of the biggest freshwater fishes of the world, reaching a length of over 2 m and weight of over 100 kg (Ref. 26170); which is probably erroneous (A. Mangold, pers. comm.).


IUCN Red List Status (Ref. 57073)	Threat to humans
Endangered (EN) (B2ab(ii,iii))	Harmless

Human uses
Fisheries: commercial; aquaculture: commercial; gamefish: yes


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (tm=5; tmax=15)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (77 of 100)	Very high

Entered by Luna, Susan M.

Modified by Binohlan, Crispina B.

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Page last modified by : elaxamana, 15 July 2009

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