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Salvelinus malma (Walbaum, 1792)

Dolly varden
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Salvelinus malma   AquaMaps   Data sources: GBIF OBIS
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klasifikasi / Names Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa

> Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae
Etymology: Salvelinus: Old name for char; it is the same root of german "saibling" = little salmon (Ref. 45335);  malma: malma which is the the common name for this species in Kamchatka (Ref. 1998).
More on author: Walbaum.

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

laut; air tawar; payau bentopelagis; anadromus (ruaya dari laut ke air tawar) (Ref. 51243); kisaran kedalaman 0 - 200 m (Ref. 50550). Temperate; 4°C - 18°C (Ref. 13614); 75°N - 38°N, 127°E - 123°W

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

North America: Arctic and Pacific drainages from lower Mackenzie River in Northwest Territories, Canada to Puget Sound and Quinault River in Washington, USA (Ref. 86798). Northwest Pacific: Korea to Bering Sea (Ref. 2850).

Length at first maturity / Size / Weight / umur

Maturity: Lm 23.5, range 12 - 21 cm
Max length : 127 cm TL jantan/; (Ref. 27436); common length : 37.5 cm TL jantan/; (Ref. 12193); Berat maksimum terpublikasi: 18.3 kg (Ref. 27436)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

Duri punggung (Keseluruhan (total)) : 0; duri punggung lunak (Keseluruhan (total)) : 10 - 16; Duri dubur: 0; Sirip dubur lunak: 10 - 15. Body elongate, somewhat rounded, greatest body depth below dorsal fin. Head rather long. Pelvic fins with free-tipped fleshy appendage above its insertion. Caudal emarginate (Ref. 27547). Color varies with size, locality and habitat. Sea-run adults with back, upper head, and upper sides dark blue, the sides silvery to white. In freshwater populations, the back and upper sides are olive green to brown, the sides a paler color but bright red in spawning fish and at all times in some areas of Alaska, the underside white to dusky. The dorsal surface are marked with yellow, orange or red spots, more numerous and those along the lateral line smaller, than in arctic char. Spawning males, especially of anadromous populations, turn red on the ventral surface and tip of snout. The lower jaw, operculum and parts of the head are black, the back and sides turn olive-brown. The spots become more vivid orange-red, the pectoral and anal fins red-black with a white leading edge, the snout thickens and the lower jaw turns up. Females change less.

Biologi     Daftar kata (contoh epibenthic)

Occurs in deep runs and pools of creeks and small to large rivers; also in lakes and the sea (Ref. 5723, 86798). Lives in very clean mountain streams (Ref. 12218). Nerito-pelagic (Ref. 58426). Typically anadromous, but many populations are landlocked. Anadromous fish may spend 2-3 years at sea, evidently near shore, migrate upstream usually in fall, and spawn during spring (Ref. 86798). Young remain in streams for 3-4 years and feed on insects, leeches, snails, and salmon eggs (Ref. 1998) before entering brackish and salt water to feed on insects, fishes, and other invertebrates. Utilized fresh and eaten fried, broiled, and baked (Ref. 9988).

Life cycle and mating behavior Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva

Adults from the sea and lakes enter rivers to spawn. A female selects a nest site and begins to dig a redd while the male continues to court her and drive away intruding males. Upon completion of the redd, both drop into it and release eggs and sperm. This may be repeated several times before the eggs are covered by the female who swims along the edge of the of the redd, sweeping small pebbles and other particles into it with her tail and anal fin. Later, she may dig again and further cover the eggs while preparing a new nest (Ref. 27547). Breeding is an annual event for southern populations; occurring every second or third year in the Arctic (Ref. 27547). Males and females reportedly die after spawning (Ref. 12218).

rujukan utama Upload your references | Acuan | Koordinator | mitra

Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)

Status IUCN Red List (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

  Harmless





penggunaan manusia

Perikanan: komersial; Ikan buruan: ya
FAO - Publication: search | FishSource | Sea Around Us

informasi lanjut

Trophic ecology
Bahan makanan
Diet compositions
Food consumptions
Food rations
Pemangsa
Ecology
Ekologi
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
ukuran frekuensi
Mass conversions
Recruitments
Abundances
Life cycle
Reproduksi, perkembang biakan
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larva
Dinamika larva
Anatomy
Gill areas
Otak
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Suara-suara ikan
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetika
Electrophoreses
Heritabilities
Human related
Aquaculture systems
profil budidaya air
Strain
Ciguatera cases
Stamps, coins, misc.
Outreach
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References
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Sumber internet

AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | semak peneliti ikan | CISTI | Catalog of Fishes: Marga, Jenis | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genom, Nukleotida | 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: pergi, Cari | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 0.2 - 8, mean 2.2 °C (based on 653 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00399 - 0.00870), b=3.04 (2.92 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  4.4   ±0.6 se; based on diet studies.
Daya lenting (Ref. 120179):  Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (tm=3-5).
Prior r = 0.24, 95% CL = 0.16 - 0.36, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (70 of 100).
kategori harga (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 6.82 [4.19, 11.37] mg/100g; Iron = 0.282 [0.177, 0.452] mg/100g; Protein = 18.1 [16.8, 19.6] %; Omega3 = 1.08 [0.46, 2.78] g/100g; Selenium = 13.9 [4.8, 42.4] μg/100g; VitaminA = 22.3 [7.0, 74.9] μg/100g; Zinc = 0.523 [0.395, 0.693] mg/100g (wet weight);