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Nekton: bony fish

Beverly Roy

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Nekton: Bony Fish

  • Vertebrates
  • Cold blooded
  • Scaly skin
  • Gills provide oxygen from water
  • Most have fins to help propel them through water
    • Dorsal – found on fish’s back
    • Caudal - tail
    • Pectoral – along sides of fish
    • Some have pelvic and anal fin

Carlile, 2008

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Fins

Seafriends

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Traits

  • Shape and size help them adapt to environment
  • Shape determines movement; quick or slow
  • Color plays role in survival
  • Brightly colored blend in with coral reefs
  • Dark/sandy colored blend in with ocean floor

Carlile, 2008

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Traits

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Traits

  • Type of mouth determines diet
  • Teeth – likely to prey upon other fish or animals
  • Beak-like mouth – scrape algae from rocks
  • Downward pointing mouth – sift through sediment on ocean floor

Carlile, 2008

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Traits

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Importance of Bony Fish

  • Food source for people
  • Food source for other animals
  • Help clean the oceans

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Carlile, 2008

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References

Carlile, V. (2008). Creative experiences in science marine life. Hawthorne, NJ: Educational Impressions, Inc.

Seafriends. (). Retrieved January 21, 2013 fromhttp://www.seafriends.org.nz/images/fish.htm

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