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Table 3.11. General Habitat Requirements foy Important or Abundant Fish Species <br />Occurring in the Colorado River (continued). <br />Soawnina General Habitat <br />Species Abundance2 Time Habitat Young Adults <br />Brown Trout <br />(Sabmo truutta) <br />Fathead Minnow <br />(Pimeohales oromelas) <br />Speckled Dace <br />(Rhinichthvs osculus) <br />Flanne lm auft Sucker <br />(Catostomus latioinnis) <br />White Sucker <br />(Catostomus commersoni) <br />C Fall Gravel-nubble Protected Areas Moderate flow areas <br /> substrate with gravel bottoms <br /> and good riffle-pool <br /> development <br />C Spring Shallow water Shallow still Still water areas <br /> under a branch water <br /> or rock <br />C Spring-early Riffle areas Shallow areas Small riffle areas <br />summer under 3 ft. deep <br />A Spring & early Shallows with Shallow areas All habitats <br />summer coarse gravel <br />R Spring Shallow water Shallow still Shallows, and back- <br />with a gravel water waters, <br />bottom <br />Bluehead Sucker <br />(Catostomus discobolus) A Late spring- Unknown Unknown Riffle areas <br />early summer <br />l0ata from Valdez and Clemmer, 1982; Behnke and Benson, 1980; Scott and Crossman, 1973; Sigler and Miller, 1963 <br />2A ¦ Abundant, C - Common, 0 - Occasional, R - Rare <br />3Were not found in the collection area near Rifle, but are included because of their status. <br />w <br />N