12-Teleost2

12-Teleost2 - + Early Teleosts: Osteoglossomorpha to Lec...

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Click to edit Master subtitle style 9/14/10 + Early Teleosts: Osteoglossomorpha to Lec -12: Chapter 14 DOF
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9/14/10 + Field Pics Tebowfin : The most endangered fish in Louisiana
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9/14/10 +
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9/14/10 + Midterm n So what did you guys think?
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Click to edit Master subtitle style 9/14/10 + Early Teleosts: Osteoglossomorpha to Lec -12: Chapter 14 DOF
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9/14/10 + Teleosts Questions
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9/14/10 +
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9/14/10 + Sudden appearance of major lineages
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9/14/10 + Modern Teleosts Arose In 4 Major Radiations n Osteoglossomorpha (Bony tongues) - Jurassic n Elopomorpha (Tarpons and true eels) - Jurassic n Otocephala (=Ostarioclupeomorphs – herring and minnow relatives) - Jurassic n Euteleostei (by far the largest of the 4 subdivisions) – Upper Cretaceous, Paleogene
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9/14/10 + Osteoglossomorpha (Teleostei) n Bony tongues – generally considered the most “primitive” living teletosts; they are the sister group to all others
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9/14/10 + Bony toungues (Teleostei:Osteoglossomorpha) n Occur in freshwater on North America, South America, and Asia but most species found in Africa. n HIODONTIDAE (2 spp.) – Mooneye, Goldeneye n OSTEOGLOSSIDAE (7spp.) – Bony toungues n MORMYRIDAE (200 spp.) – Elephant Fishes n NOTOPTERIDAE (8 spp.) – Old World Knifefishes
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9/14/10 + Bony toungues (Teleostei:Osteoglossomorpha) n Occur in freshwater on North America, South America, and Asia but most species found in Africa. n HIODONTIDAE (2 spp.) n OSTEOGLOSSIDAE (7spp.) n MORMYRIDAE (200 spp.) n NOTOPTERIDAE (8 spp.)
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9/14/10 + Bony tongues (Teleostei:Osteoglossomorpha) n Chiefly tropical, but two species (the mooneye, Hiodontergisus and the Goldeneye, H. alosoides ) occur in major rivers systems of North America. Fossil
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9/14/10 + Family Hiodontidae: 2 spp. (Teleostei:Osteoglossomorpha)
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9/14/10 + Family Hiodontidae: 2 spp. (Teleostei:Osteoglossomorpha) n Hiodontergisus and H. alosoides n Reproduction – reach sexual maturity after 3 years. Pelagic spawn in backwater areas, eggs are translucent and neutrally buoyant. n Golden color of eye in both species from tapetumlucidum that increases their ability to see in low lights
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9/14/10 + Bony tongues (Teleostei:Osteoglossomorpha) n HIODONTIDAE (2 spp.) n OSTEOGLOSSIDAE (7spp.) n MORMYRIDAE (200 spp.) n NOTOPTERIDAE (8 spp.)
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9/14/10 + Osteoglossidae (Teleostei:Osteoglossomorpha) n Seven spp. ; Gondwanan distribution n S.America, Africa, S.E. Asia, Australia
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9/14/10 + Osteoglossum n Osteoglossum n http://www.youtube.com/watch?v=3kGn1Xd899o&featu n Silvery arowana (Osteoglossom) has 2 chin barbels, large angled mouth to catch prey that fall in the water n Jumping play at 1:35 n http://www.youtube.com/watch? v=3QT5fpFi1mw&feature=player_embedded#
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9/14/10 + Bony toungues: Arapaima (Teleostei:Osteoglossomorpha) n Include some of the world’s largest freshwater fishes - Arapaima (Pirarucu; Arapaima gigas ) of South America – reaching 2.5 m = over 8 feet n A piscivore
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9/14/10 + Arapaima n http://www.youtube.c n Jaguar vs.
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This note was uploaded on 09/13/2010 for the course BIOL 4145 taught by Professor Chakrabarty during the Fall '09 term at LSU.

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12-Teleost2 - + Early Teleosts: Osteoglossomorpha to Lec...

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