| Comparative study on the morphology and the composition of the otoliths in the teleosts. | |
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MedLine Citation:
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PMID: 18607888 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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CONCLUSION: Saccular otoliths of teleosts were mostly larger than utricular otoliths, which might relate to the three-dimensional movement. The large and heavy otolith may be better suited in saccules of the bottom and reef fishes. The quantities of iron in lagenar otoliths were found to be lower than those of birds. The function of the fish lagena remains to be elucidated by further studies. OBJECTIVE: To evaluate the morphological characteristics and the chemical composition of the otoliths in fishes as related to behaviour and habitat. MATERIALS AND METHODS: We studied the morphology of the otoliths of 18 genera of fishes (81 samples) divided into 3 groups: saltwater fish (13 genera), freshwater fish except for the carp family (3 genera) and carp family fish (2 genera). The otoliths and the living environments were compared. The chemical composition was analysed using a synchrotron X-ray fluorescence analyser. RESULTS: Bottom fishes generally have larger saccular otoliths, and migrating fishes have smaller saccular otoliths. In comparing the bottom/reef fishes and the migrating fishes in salt water, the former tended to have larger saccular otoliths. In saltwater bottom fishes the tendency was found that the thinner the head, the larger was the saccular otolith. We found significant quantities of iron, zinc and manganese in the lagenar otoliths. |
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Authors:
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Masaya Yamauchi; Junko Tanaka; Yasuo Harada |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Acta oto-laryngologica Volume: 128 ISSN: 0001-6489 ISO Abbreviation: Acta Otolaryngol. Publication Date: 2008 Aug |
Date Detail:
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Created Date: 2008-09-09 Completed Date: 2009-01-13 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370354 Medline TA: Acta Otolaryngol Country: Norway |
Other Details:
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Languages: eng Pagination: 846-55 Citation Subset: IM |
Affiliation:
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Department of Epidemiology, Infectious Disease Control and Prevention, Hiroshima University, Hiroshima, Japan. yamauci@chugoku-np.co.jp |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Behavior, Animal Body Size Ecosystem Fishes / anatomy & histology* Fresh Water Otolithic Membrane / anatomy & histology*, chemistry* Seawater Skull / anatomy & histology Trace Elements / analysis |
| Chemical | |
Reg. No./Substance:
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0/Trace Elements |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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