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Longnose Dace & Nooksack Dace Ministry of Fisheries
1999
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Abstract: The longnose dace is light olive to black on their back shading to yellow or silver on their belly. They may have a dark band along their side but this depends on where they are found. Their name comes from their prominent long snout, which joins directly to the upper lip and overhangs their mouth. This may be one reason they are sometimes mistaken for young suckers. Young longnose dace have a distinctive stripe on their sides from snout to tail that passes right through the eye. The Nooksack dace is generally smaller than the longnose dace. It is grey-green above and yellow to silver on its belly. You can tell a Nooksack dace from the longnose dace by the number of scales along the lateral line. (The lateral line is part of a fish”s sensory system; it’s the fine line that runs along their side under the skin). The Nooksack dace has 54 scales along the lateral line and the longnose dace has about 67.
 
Ministry of Fisheries. 1999. Longnose Dace & Nooksack Dace. Ministry of Fisheries. Fish Facts
 
Topic: Fish and Fish Habitats
Keywords: fish facts, longnose dace, nooksack dace, dace, fisheries, habitats
ISSN:  Scientific Name: Rhinichthys sp. 4, Rhinichthys cataractae
ISBN:  English Name: Longnose Dace, Nooksack Dace
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