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Pantosteus Clarkii
The desert sucker or Gila Mountain sucker (''Pantosteus clarkii''), is a fresh water, freshwater species of Actinopterygii, ray-finned fish in the Catostomidae, sucker family, Endemism, endemic to the Great Basin and the Colorado River, Colorado River Basin in the United States. It inhabits rapids and fast-flowing streams with gravelly bottoms. It is a bi-colored fish with the upper parts olive brown to dark green, and the underparts silvery-tan or yellowish. The head is cylindrical, tapering to a thick-lipped mouth on the underside. This fish can grow to in Arizona but is generally only about half this size elsewhere. Formerly placed in the genus ''Catostomus'', it is now placed in the genus ''Pantosteus''. Description Desert suckers are bicolored; the back and upper sides are darker, olive-brown to dark green, and the belly and lower sides are deep-yellow to silvery tan. The Scale (zoology), scales on the upper half of the body have dark spots which form faint dashed lines. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spencer Fullerton Baird
Spencer Fullerton Baird (; February 3, 1823 – August 19, 1887) was an American naturalist, ornithologist, ichthyologist, Herpetology, herpetologist, and museum curator. Baird was the first curator to be named at the Smithsonian Institution. He eventually served as assistant Secretary of the Smithsonian from 1850 to 1878, and as Secretary from 1878 until 1887. He was dedicated to expanding the natural history collections of the Smithsonian which he increased from 6,000 specimens in 1850 to over 2 million by the time of his death. He also served as the U.S. United States Fish Commission, Commissioner of Fish and Fisheries from 1871 to 1887 and published over 1,000 works during his lifetime. Early life and education Spencer Fullerton Baird was born in Reading, Pennsylvania in 1823. His mother was a member of the prominent Philadelphia Biddle family; he was a nephew of Speaker of the Pennsylvania Senate Charles B. Penrose and a first cousin, once removed, of U.S. Senator Boies Penr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
