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Percina tanasi Etnier, 1976

Snail darter
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drawing shows typical species in Percidae.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Percoidei (Perchs) > Percidae (Perches) > Etheostomatinae
Etymology: Percina: Latin, diminutive of perch = perch (Ref. 45335);  tanasi: Named after the former capital of the Cherokee Nation, which was located on the Little Tennessee River, the type locality (Ref. 10294).

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

; süßwasser benthopelagisch. Temperate; 36°N - 34°N

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North America: upper Tennessee River drainage of eastern Tennessee and northern Georgia in the USA.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm TL Männchen/unbestimmt; (Ref. 5723); max. veröff. Alter: 4 Jahre (Ref. 12193)

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Occurs in gravel and sand runs of medium-sized rivers (Ref. 5723, 10294); also found in creeks (Ref. 10294). Feeds on small pleurocerid river snails, mostly Leptoxis and Lithasia, as well as some physid snails and limpets; also consumes caddisfly larvae (Glossosoma, Hydropsyche, Brachycentrus), midge and blackfly larvae, and a few mayfly nymphs (Ref. 10294).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

IUCN Rote Liste Status (Ref. 130435)

  gefährdet, siehe IUCN Red List (VU) (B1ab(iii)); Date assessed: 25 April 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

FAO - Publication: search | FishSource |

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AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, 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: Gehe zu, Suchen | World Records Freshwater Fishing | Zoobank | 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=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (tmax=4; Fec=100-600).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).