8 research outputs found

    Diversity of brain size in fishes: preliminary analysis of a database including 1174 species in 45 orders

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    Absolule and relative values of brain weight are now available for 1174 species of fishes, representing 45 taxonomic orders. The original FishBase "Brains" data was assembled by the research team of Bauchot and colleagues, to which the present report adds data for species representing several additional major taxonomic groups. This database is part of the FĂ­shBase 97 package which provides researchers with a tool to explore lhe functional meaning of absolute and relative brain size dĂ­versily, in comparison with phylogenetic position, life history mode, locomotion, habitat, and other behavioral parameters. Several results are provided as an example of the use of these data. Galeomorph sharks and batoid rays possess the largest brains among fishes. and elongate forms with anguilliform locomotion (e.g.. hagfishes. lampreys, lrue eels, carapids, zoarcids) possess the smallest relative brain sizes. Among teleost fishes, Osteoglossomorphs possess the largest relative brain sizes. Brain size correlations with oxygen consumption suggest that larger brains consume proportionately more oxygen, or that active fish with higher metabolic rates have larger brain

    Status of the freshwater fishes of the Philippines

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    College of Arts and Sciences

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    Cornell University Courses of Study Vol. 94 2002/200

    College of Arts and Sciences

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    Cornell University Courses of Study Vol. 95 2003/200

    College of Arts and Sciences

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    Cornell University Courses of Study Vol. 96 2004/200

    College of Arts and Sciences

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    Cornell University Courses of Study Vol. 96 2004/200
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