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Ichthyology
Ichthyology (from Greek: ἰχθύς, ''ikhthus'', "fish"; and λόγος, ''logos'', "study"), also known as Fish Science, is the branch of biology devoted to the study of fish. This includes bony fishes (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). While a large number of species have been discovered and described, approximately 250 new species are officially described by science each year. According to FishBase, 34,300 species of fish had been described by October 2015.〔FishBase: (April 2009 Update. ) Retrieved 14 March 2012.〕
==History==
The study of fish dates from the Upper Paleolithic Revolution (with the advent of 'high culture'). The science of ichthyology was developed in several interconnecting epochs, each with various significant advancements.
The study of fish receives its origins from human's desire to feed, clothe, and equip themselves with useful implements. According to Michael Barton, a prominent ichthyologist and professor at Centre College, "the earliest ichthyologists were hunters and gatherers who had learned how to obtain the most useful fish, where to obtain them in abundance, and at what times they might be the most available". Early cultures manifested these insights in abstract and identifiable artistic expressions.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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