L07_TeleostII_11COLOR

L07_TeleostII_11COLOR - HIGHER TELEOSTS SPINY-RAYED FISHES...

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HIGHER TELEOSTS – SPINY-RAYED FISHES
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SuperOrder Acanthopterygii (267 families, 14,800 species) - spiny-rayed fishes Series Mugilomorpha Series Atherinomorpha Series Percomorpha Upper jaw mobility is maximal because of ascending process on premaxilla, in conjunction with the pivoting maxilla. Pharyngeal dentition at highest level of development and pharyngeal jaws moved by retractor-dorsalis muscle
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Series Mugilomorpha Order Mugiliformes Mullets Nearshore Catadromous Economically important, detritivores
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Series Atherinomorpha Most are surface feeders: freshwater or estuarine, some marine Unique jaw protrusion: rostral cartilage between maxilla and premaxilla Atheriniformes Beloniformes Cyprinodontiformes
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Order Atheriniformes Silversides, grunion, topsmelt Grunion spawning on tidal schedule Topsmelt school
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Order Beloniformes Needle fish, flying fish Features associated with surface life Dorsal and anal fin close to tail Lateral line is ventral Pectorals high Order Cyprinodontiformes Guppies, pupfish
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This note was uploaded on 01/10/2012 for the course EEMB 106 taught by Professor Staff during the Spring '08 term at UCSB.

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L07_TeleostII_11COLOR - HIGHER TELEOSTS SPINY-RAYED FISHES...

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