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> Percopsiformes (Trout-perches, pirate perches and cavefishes) > Percopsidae (Trout-perches)
Etymology: Percopsis: Greek, perke = perch + Greek, opsis = appearance (Ref. 45335).
More on authors: Eigenmann & Eigenmann.

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

; sötvatten bottenlevande. Temperate; 44°N - 43°N

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North America: Columbia River drainage in Idaho, Washington and Oregon, USA.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 9.6 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 7.0 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 6 år (Ref. 12193)

Occurs in quiet backwaters and pool margins of small to large rivers. Usually found near vegetation over sand.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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 Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 01 March 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00589 (0.00283 - 0.01223), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives

Generation time: 2.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tmax = 6; Fec = 5,370).

Fishing Vulnerability (Ref. 59153): Low vulnerability (24 of 100).

Percopsis transmontana (Eigenmann & Eigenmann, 1892)