Web26 Oct 2009 · Spoonhead sculpin ( Cottus ricei) was collected upstream and downstream of a large bleached-kraft pulp mill on the Athabasca River, Alberta, Canada, during fall and spring periods to determine whether small, sedentary fish species demonstrate responses reflecting local exposure conditions. Web29 Oct 2024 · Morphologically, sculpins are benthic specialists with a dorso-ventrally flattened body and a reduced or absent swim bladder (Adams & Schmetterling, 2007 ). In boreal lakes they are generally small-bodied (< 10 g) and prefer cool to cold-water habitats (Coker et al ., 2001 ).
Comparative biology of the sculpins of Lake Superior
WebAn ichthyologist studying the spoonhead sculpin, Cottus ricei, catches specimens in a large bag seine that she trolls through the lake. She knows from many years experience that on average she will catch 2 fish per trolling run. Find the probability of catching between 3 and 6 fish on a particular run inclusive. Web1 Jan 1992 · Spoonhead sculpin populations declined during the middle part of this century, along with many other native species in Lake Michigan. The subse quent recovery of yellow perch (Perea jlaveseens), bloaters (Coregonus hOYl), and deepwater sculpins that began in the late 1970s and continued through the 1980s has been linked to the decline in alewife … hofmann associates
Cottus ricei, Spoonhead sculpin - fishbase.se
WebSpoonhead sculpin are scaleless with a complete lateral line. This species is commonly identified by a pair of preopercular spines located on the upper portion of each gill cover WebSpoonhead Sculpin is mainly restricted to Canada, the exception being within the United States portion of the Laurentian Great Lakes basin ( Figure 1; Houston 1990;Scott and Crossman 1973).... WebUntitled Bingo bingo card with Atlantic salmon Salmo salar, Bloater Coregonus hoyi, Brook trout Salvelinus fontinalis, Brown trout Salmo trutta, Cisco Coregonus artedi commonly called "tulibee" or "lake herring", Chinook salmon Oncorhynchus tshawytscha, Coho salmon Oncorhynchus kisutch, Kiyi Coregonus kiyi (special concern), Lake trout Salvelinus … hofmann associates towson md