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- Richardsonius egregius és una espècie de peix de la família dels ciprínids i de l'ordre dels cipriniformes. Els adults poden assolir 17 cm de longitud total. És un peix d'aigua dolça i de clima temperat que es troba a Nord-amèrica. (ca)
- Richardsonius egregius es una especie de peces de la familia Cyprinidae en el orden de los Cypriniformes. (es)
- Richardsonius egregius generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian. (eu)
- The Lahontan redside (Richardsonius egregius) is a cyprinid fish of the Great Basin in eastern California and western Nevada. Lahontan redsides are noted for their breeding colors, consisting of a bright red stripe with a yellow border on each side. At other times, the stripe is still visible, but the red is much reduced, leaving a gradual transition from the olive-colored back to silvery underside. Overall shape is slender, with a large eye and terminal mouth. The dorsal fin has 7-8 rays, while the anal fin has 8-10 rays. The pectoral fins are somewhat long, the tips reaching nearly to the bases of the pelvic fins. The tail is deeply forked. Total length ranges up to 17 cm, but an 8 cm length is more typical of mature adults. They are found in a variety of habitats within their range, primarily feeding on small invertebrates. Stream populations shoal near the surface of quiet pools, where they catch drifting insects, while in lakes they form groups in the littoral zone, generally preferring to stay over rocky bottoms, and eat a combination of surface insects, insect larvae, and planktonic crustacea. When the temperatures drop during winter, they move to deeper water and remain nearly motionless near the bottom. The spawning season lasts from late May to August, with the high point coming during the second half of June. They look for shallow water, either at lake margins, or in stream pools with sand and gravel bottoms, then form into swirling groups of 20-100 fish just above the bottom. The actual egglaying and fertilizing consists of subgroups swimming down and pressing themselves on the bottom, the eggs then adhering to the rocks and crevices. The range of these redsides is defined by the old Lake Lahontan basin. Rivers include the Truckee River, Carson River, etc. They are also found in upper parts of the Feather River, probably as accidental introductions via the . They are abundant across their range, and successful colonizers around its edges, so they are not considered threatened in any way. A variety of common names make reference to the breeding colors, including redside minnow, red-striped shiner, Lahontan redshiner, etc. (en)
- Richardsonius egregius is een straalvinnige vissensoort uit de familie van de eigenlijke karpers (Cyprinidae). De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1858 door Girard. (nl)
- Richardsonius egregius är en fiskart som först beskrevs av Charles Frédéric Girard, 1858. Richardsonius egregius ingår i släktet Richardsonius och familjen karpfiskar. Inga underarter finns listade i Catalogue of Life. (sv)
- 秀麗紅脅鱥（学名：Richardsonius egregius）为輻鰭魚綱鯉形目鲤科的其中一種，分布於北美洲美國加州北部及內華達州西部，體長可達17公分，棲息在水流緩慢的溪流或湖泊。 (zh)
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- *Tigoma egregia (Girard, 1858)
*Gila ardesiaca (Cope, 1875)
*Squalius galtiae (Cope, 1883)(Small text)
*Phoxinus clevelandi (Eigenmann & Eigenmann, 1889) (en)
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- Richardsonius egregius (en)
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- Richardsonius egregius és una espècie de peix de la família dels ciprínids i de l'ordre dels cipriniformes. Els adults poden assolir 17 cm de longitud total. És un peix d'aigua dolça i de clima temperat que es troba a Nord-amèrica. (ca)
- Richardsonius egregius es una especie de peces de la familia Cyprinidae en el orden de los Cypriniformes. (es)
- Richardsonius egregius generoko animalia da. Arrainen barruko Actinopterygii klasean sailkatzen da, Cyprinidae familian. (eu)
- Richardsonius egregius is een straalvinnige vissensoort uit de familie van de eigenlijke karpers (Cyprinidae). De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1858 door Girard. (nl)
- Richardsonius egregius är en fiskart som först beskrevs av Charles Frédéric Girard, 1858. Richardsonius egregius ingår i släktet Richardsonius och familjen karpfiskar. Inga underarter finns listade i Catalogue of Life. (sv)
- 秀麗紅脅鱥（学名：Richardsonius egregius）为輻鰭魚綱鯉形目鲤科的其中一種，分布於北美洲美國加州北部及內華達州西部，體長可達17公分，棲息在水流緩慢的溪流或湖泊。 (zh)
- The Lahontan redside (Richardsonius egregius) is a cyprinid fish of the Great Basin in eastern California and western Nevada. Lahontan redsides are noted for their breeding colors, consisting of a bright red stripe with a yellow border on each side. At other times, the stripe is still visible, but the red is much reduced, leaving a gradual transition from the olive-colored back to silvery underside. Overall shape is slender, with a large eye and terminal mouth. The dorsal fin has 7-8 rays, while the anal fin has 8-10 rays. The pectoral fins are somewhat long, the tips reaching nearly to the bases of the pelvic fins. The tail is deeply forked. Total length ranges up to 17 cm, but an 8 cm length is more typical of mature adults. (en)
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- Richardsonius egregius (ca)
- Richardsonius egregius (es)
- Richardsonius egregius (eu)
- Lahontan redside (en)
- Richardsonius egregius (nl)
- Richardsonius egregius (sv)
- 秀麗紅脅鱥 (zh)
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