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Actinopterygii

Actinopterygii. By: Marcel Surette , Brittney Pothier , Richard LeBlanc, Gabrielle Boudreau. Introduction . “Ray-Finned F ish” 50% of all vertebrates Most successful group of fish . Ray-Finned Fish  Class 42 orders 431 families 25000 species . Characteristics .

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Actinopterygii

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  1. Actinopterygii By: Marcel Surette, Brittney Pothier, Richard LeBlanc, Gabrielle Boudreau

  2. Introduction • “Ray-Finned Fish” • 50% of all vertebrates • Most successful group of fish

  3. Ray-Finned Fish  Class • 42 orders • 431 families • 25000 species

  4. Characteristics • Ray supported fins • Skeleton composed of bone (cartilage) • Swim bladder • Scales • Gill Cover Lionfish

  5. Habitat Lakes, Springs Artic Oceans Tropical Waters Caves Mudflats Water Temperatures

  6. Diet • Herbivores • Carnivores • Omnivores • Zooplanktivores small crustaceans • Detrivores decomposing organisms • Opportunistic Eaters

  7. Reproduction • Lay eggs / retain eggs • Some protection to offspring

  8. Lifespan Seven-Figure Pygmy Goby Rougheye Rockfish

  9. Communication/Perception • Lateral Lines (Mechanoreception) sensory organs • VisionMany wavelengths

  10. Fun Facts • Swim bladder (homologous) • Fossil records  400 – 350 million years ago • Tuna, Salmon, Bass, Seahorse, Cod • No muscle in fins • Symmetrical tail • Open swim bladder (breathing organ)

  11. Mudskipper

  12. LA FIN!!!

  13. Sources • http://animaldiversity.ummz.umich.edu/accounts/Actinopterygii/ • https://menaultaxonomyproject.wikispaces.com/Animalia+-+Chordata+-+Actinopterygii • http://www.seawater.no/fauna/chordata/Actinopterygii.html • http://www.oceanclassrooms.com/ms101_u9_c2_sf_2 • http://www.ucmp.berkeley.edu/vertebrates/actinopterygii/actinintro.html

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