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November 7, 2008 - Fish Friday Notes: Please read the Goodman paper for Monday. It is on the web. Guest speaker, Chris Cheng, will be talking about how fish survive in cold water. Scorpaeniformes. Rockfishes, scorpionfishes, sculpins, lumpfishes, many other common names
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November 7, 2008 - Fish Friday Notes: Please read the Goodman paper for Monday. It is on the web. Guest speaker, Chris Cheng, will be talking about how fish survive in cold water.
Scorpaeniformes • Rockfishes, scorpionfishes, sculpins, lumpfishes, many other common names • 24 families, 1300 species • Mostly shallow water, marine • All possess a suborbital stay
rockfishes, scorpionfishes, lionfish & stonefish - strong venom in spines - internal fertilization - viviparous young - rockfishes can be quite old -- oldest fish was 205 years old -- others between 100-160 years -- most don’t live that long, but 20-50 year old fish not uncommon rockfish scorpionfish
Scorpaeniformes rockfish scorpionfish lionfish stonefish
Scorpionfish Video http://www.youtube.com/watch?v=Uf-8JZ3Rz2A http://www.youtube.com/watch?v=v9_9_5i1ndU
searobins & gurnards searobins gurnard very large pectoral fins - probe the bottom and rest on them - large, muscular swimbladder for sound production - bottom dwellers
Flying Gurnard Video http://www.youtube.com/watch?v=GAEqXGbYqQU
Scorpaeniformes Cottidae - one of three freshwater families in order, found North America, Europe, and Asia - males provide parental care >300 species in the family -lack a swimbladder -large pectoral fins -sit on bottom -like the current or areas with high turbulence Cottidae - two species found in Illinois streams
Jeff and the Catch Sculpin from Berring Sea
Swamp Eel Video http://www.youtube.com/watch?v=fvJyBT-z2Ec