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

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Presentation transcript:

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

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

Ray-Finned Fish  Class 42 orders 431 families species

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

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

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

Reproduction Lay eggs / retain eggs Some protection to offspring

Lifespan Seven-Figure Pygmy Goby Rougheye Rockfish

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

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)

Mudskipper

LA FIN!!!

Sources tinopterygii/ tinopterygii/ malia+-+Chordata+-+Actinopterygii malia+-+Chordata+-+Actinopterygii ygii.html ygii.html _2 _2 erygii/actinintro.html erygii/actinintro.html

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