It is somewhat less common than the Slimy Sculpin and is found in warmer waters. Failed in Arizona, California, and Nevada. In Pennsylvania there are three common Sculpin species for sure: The Mottled Sculpin (Cottus bairdii), the Blue Ridge Sculpin (Cottus caeruleomentum), the Slimy Sculpin (Cottus cognatus) and the Potomac Sculpin (Cottus girardi). 1994. † Populations may not be currently present. The Mottled Sculpin lives in northeast Iowa trout streams. Mottled sculpin are widespread in North America, with a broadly disjunct range. Accessed January 22, 2021 at https://animaldiversity.org/accounts/Cottus_bairdii/. It has a large head and the body tapers to a narrower shape towards the caudal (tail) fin. The table contains hyperlinks to collections tables of specimens based on the states, years, and drainages selected. We highly recommend reviewing metadata files prior to interpreting these data. For the most part, the geog… Therefore, we propose to compare factors influencing colonization of mottled sculpin (Cottus bairdii) and mountain sucker (C. platyrhynchus) in the Wyoming Range. Fishes of Arizona. Marian Shaffer. The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. They can be found at up to 16 meters depth. Mottled sculpin seem to prefer depths of 0.1 to 0.5 meters and cold, clear water. Gainesville, Florida. Largest size I've seen is about … having markings, coloration, shapes, or other features that cause an animal to be camouflaged in its natural environment; being difficult to see or otherwise detect. They begin breeding at about two years of age. (Becker, 1983; Froese, 2008), Mottled sculpin are found in gravel bottoms and sandy riffles of small headwaters, streams, and small rivers or in rocky shoreline areas of lakes, including the Great Lakes. 2nd edition. The male's head and fins then become jet black and his body becomes pale. They have the typical sculpin mottled body color, with a large black blotch on the rear of the first dorsal fin. 1993. References to specimens that were not obtained through sighting reports and personal communications are found through the hyperlink in the Table 1 caption or through the individual specimens linked in the collections tables. The type of bottom may be less important than the presence of cover, which can be gravel, stones, or submerged vegetation. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information. Healthy populations of mottled sculpin are used as an indicator of healthy trout populations, which are very important gamefish. Possible predator on young trout and eggs (Miller 1952). Moyle, P.B. The great sculpin (Myoxocephalus polyacanthocephalus) is a marine species that can attain 80 centimeters (31.5 inches) in length and 9 kilograms (20 pounds) in weight. (Becker, 1983), Mottled sculpin are also known as common sculpin, northern muddler, muddler, blobs, gudgeons, muffle-jaws, bullheads, springfish, lake sculpin, spoonheads, and miller's thumbs. In eastern North America it occurs in the Arctic, Atlantic, and Mississippi River basins from Labrador and northern Quebec west to western Manitoba, and south to the Roanoke River drainage, Virginia, and the Tennessee River drainage, northern Georgia and Alabama, with isolated populations in the extreme upper Santee (North Carolina), Savannah (South Carolina and Georgia), Chattahoochee (Georgia), Coosa (Georgia), and Osage (Missouri) River systems. (Becker, 1983), Mottled sculpin egg development depends on water temperature, at temperatures of 11 to 13 degrees Celsius eggs hatched in 17 days. Mottled sculpin have been reported as prey by brook trout, brown trout, northern pike, common mergansers, and water snakes. The section is now dynamically updated from the NAS database to ensure that it contains the most current and accurate information. It is often found in cold-water habitats, such as streams that receive water from springs. Original spelling end with ii (Nelson et al. Mottled sculpin are found in gravel bottoms and sandy riffles of small headwaters, streams, and small rivers or in rocky shoreline areas of lakes, including the Great Lakes. 1952. Minckley (1973) speculated it may be established in the lower Colorado River; however, it is not established there (Minckley, personal communication). They shake their heads, raise their gills, and undulate their bodies to get the attention of females. Zuckerman, L.D., and R.J. Behnke. Nest cavities are areas beneath rocks or other debris at depths of about 22 cm and in areas with enough water flow to prevent silt build up. A field guide to freshwater fishes of North America north of Mexico. The Shorthead Sculpin is a small (maximum of 105 mm total length) bottom-dwelling freshwater fish endemic to the Columbia River basin. Additional support has come from the Marisla Foundation, UM College of Literature, Science, and the Arts, Museum of Zoology, and Information and Technology Services. Madison, Wisconsin: The University of Wisconsin Press. (Becker, 1983), Mottled sculpin populations are not considered threatened currently. Mottled sculpin are hosts for the glochidia of several native clam species, including cylindrical papershells and slippershell mussels. And where ample flow keeps the dissolved oxygen level near saturation cooler benthic habitats, primarily..., Inc., Phoenix, AZ largely by and for college students tanya Dewey author! May stir up the sand and let it cover them to hide gobies may effect... Living in the Colorado River, from Lake Mead, Nevada, to cite this:. 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