catfish pectoral spine breakage
Description : We are working on growth of catfish pectoral spines in Ictalurus and Ameiurus and much to our surprise,small spines tend to be pristine and large ones invariably have their tips broken. Since a bigger spine is less likely to break than a small one, this finding is paradoxical. Does anyone have any specific information about what might cause a large spine to break?
By : Michael L. Fine
Date/time : 30/5/2007 09:34:00
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