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Salmo ezenami

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Salmo ezenami Berg, 1948

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Image of Salmo ezenami
No image available for this species;
drawing shows typical species in Salmonidae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae

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Etymology: Salmo: Latin, salmo, Plinius = salmon (Ref. 45335).
More on author: Berg.


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


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Freshwater; benthopelagic.
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Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Europe: Lake Kezenoi-am (formerly Eizenam) (Daghestan) in northern Caucasus, Russia. Introduced in 1963 in Lake Mochokh (Daghestan), probably established.

Size / Weight / Age

Maturity:
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Lm ?  range ? - ? cm

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Max length : 113 cm SL male/unsexed; (Ref. 59043); max. published weight: 17.0 kg (Ref. 59043)

Short description Identification keys | Morphology | Morphometrics

Distinguished from congeners in Caspian Sea basin by having the following unique characters: 16-21 short and broad gill rakers, without denticles, in large individuals sometimes slightly expanded at tip; maxilla not reaching posterior margin of eye; and bright coloration comprising of 10-30 relatively large (6-7 mm in diameter) carmine red spots above lateral line, small black spots on back, red spots on dorsal, upper caudal lobe, and adipose fins (Ref. 59043).

Biology     Glossary (e.g. epibenthic)

Inhabits mountain lake (Lake Kezenoi-am) with altitude of 1870 m above sea level, with a maximum depth of 74 m, temperature about 5° C below 20 m and 5-18° C in upper layers in summer, covered by ice in winter, high oxygen concentrations down to bottom throughout the year and low plankton density. This was the only fish inhabiting the lake prior to the introduction of Gobio holurus and Squalius cephalus. Young juveniles feed predominantly on gammarids, chironomid larvae; larger juveniles and adults prey on molluscs, benthic invertebrates and fry; largest individuals are mostly piscivorous, especially since the introduction of Gobio holurus. Spawns in lake, close to underwater springs. Large-sized individuals probably undertake migration to tributaries. Spawning extends over almost entire year. Threatened due to the introduction of Squalius cephalus, which feeds on its fry (Ref. 59043).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae


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Main reference Upload your references | References | Coordinator | Collaborators

Bogutskaya, N.G. and A.M. Naseka, 2002. An overview of nonindigenous fishes in inland waters of Russia. Proc. Zool. Inst. Russ. Acad. Sci. 296:21-30. (Ref. 45022)

IUCN Red List Status (Ref. 130435)

  Critically Endangered (CR) (B1ab(iii,v)+2ab(iii,v)); Date assessed: 01 January 2008

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet compositions
Food consumptions
Food rations
Predators
Ecology
Ecology
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproduction
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill areas
Brains
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fish sounds
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetics
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures
References
References

Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | 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, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00488 - 0.02245), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.8   ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (83 of 100).

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