Fish notes:  Notes on Class Osteichthyes including scales, gills, air bladder, and video links
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Fish notes: Notes on Class Osteichthyes including scales, gills, air bladder, and video links

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Notes on Class Osteichthyes including scales, gills, air bladder, and video links

Notes on Class Osteichthyes including scales, gills, air bladder, and video links

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Fish notes:  Notes on Class Osteichthyes including scales, gills, air bladder, and video links Fish notes: Notes on Class Osteichthyes including scales, gills, air bladder, and video links Presentation Transcript

  • Class Osteichthyes: FISH PPT. by, Robin D. Seamon
    • Vertebrates
    • Cold-blooded
    • Have gills: breathe oxygen out of the water
    • Scales
    • Fins: allows fish to be mobile
    • Air bladder
  •  
  • Dorsal fin Pectoral fin Pelvic fin Gills Anal fin Caudle fin
    • Scales overlap one another.
    • They’re covered in mucous for speed.
  • Fish ‘breathes’ oxygen from the water molecules: http://upload.wikimedia.org/wikipedia/commons/e/e6/Gills_(esox).jpg
  • Air bladder: sac inside the body that determines how deep it will go (or float)
  • Shape of the mouth lets you know how it eats. Top-feeder Bottom-feeder
  • Fish Facts:
    • Fish have been around over 450 million years. (well before dinosaurs!)
    • There are over 25,000 identified fish species & thought to be over 15,000 more!
    • 40% fish live in freshwater, but only .01% of earth covered with freshwater.
    • Spotted climbing perch can hold oxygen enough to ‘crawl’ onto land.
  • Fish Facts:
    • Some fish like sharks don’t have air bladders & must swim constantly or fall to the bottom.
    • Some make sounds by grating teeth or swim bladder.
    • Some species can fly (glide), skip along the surface, or ‘crawl’ up rock.
    • Some fish have a special organ that acts like a ‘radar’ to see in dark/murky water.
  • Fish Facts:
    • The great whale shark is the largest fish: up to 50 ft. long!
    • The smallest fish is the Phillipine goby: 1/3 inch long!
    • Fish feel pain & stress like other animals.
    • Many tropical fish sold in pet stores are from South & Central America, Asia, and Africa.
  • Fish Video Fish Video 1 Fish Video 2: transparent head Fish Video 3: hop along fish Fish Video 4: clownfish BIG fish WILD The Wild Classroom LINK & VIDEO
  • Resources: http:// www.peteducation.com/article.cfm?cls =16&cat=1791&articleid=586