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A Comparison of Alternative Approaches to Discriminate Larvae of Striped Bass and White Perch

1999; Wiley; Volume: 19; Issue: 2 Linguagem: Inglês

10.1577/1548-8675(1999)019 2.0.co;2

1548-8675

John R. Waldman, John Young, Bob Lindsay, Robert E. Schmidt, Helena Andreyko,

Fish Ecology and Management Studies

North American Journal of Fisheries ManagementVolume 19, Issue 2 p. 470-481 Article A Comparison of Alternative Approaches to Discriminate Larvae of Striped Bass and White Perch John R. Waldman, Corresponding Author John R. Waldman [email protected] Hudson River Foundation for Science and Environmental Research Inc., 40 West 20th Street Ninth Floor, New York, New York, 10011 USACorresponding author: [email protected]Search for more papers by this authorJohn R. Young, John R. Young Consolidated Edison Company of New York, 4 Irving Place, New York, New York, 10003 USASearch for more papers by this authorB. Paul Lindsay, B. Paul Lindsay Normandeau Associates Inc., 25 Nashua Road, Bedford, New Hampshire, 03110-5500 USASearch for more papers by this authorRobert E. Schmidt, Robert E. Schmidt Hudsonia Ltd. Bard College Field Station, Annandale, New York, 12504 USASearch for more papers by this authorHelena Andreyko, Helena Andreyko Hudson River Foundation for Science and Environmental Research Inc., 40 West 20th Street Ninth Floor, New York, New York, 10011 USASearch for more papers by this author John R. Waldman, Corresponding Author John R. Waldman [email protected] Hudson River Foundation for Science and Environmental Research Inc., 40 West 20th Street Ninth Floor, New York, New York, 10011 USACorresponding author: [email protected]Search for more papers by this authorJohn R. Young, John R. Young Consolidated Edison Company of New York, 4 Irving Place, New York, New York, 10003 USASearch for more papers by this authorB. Paul Lindsay, B. Paul Lindsay Normandeau Associates Inc., 25 Nashua Road, Bedford, New Hampshire, 03110-5500 USASearch for more papers by this authorRobert E. Schmidt, Robert E. Schmidt Hudsonia Ltd. Bard College Field Station, Annandale, New York, 12504 USASearch for more papers by this authorHelena Andreyko, Helena Andreyko Hudson River Foundation for Science and Environmental Research Inc., 40 West 20th Street Ninth Floor, New York, New York, 10011 USASearch for more papers by this author First published: 08 January 2011 https://doi.org/10.1577/1548-8675(1999)019 2.0.CO;2Citations: 6Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract Striped bass Morone saxatilis and white perch M. americana are sympatric in rivers and estuaries across a broad region of eastern North America. Discrimination of their larvae is often an important but problematic component of large ichthyoplankton monitoring programs: their larvae are morphologically similar (particularly at the post-yolk-sac stage) and often co-occur. In a blind test using hatchery-reared larvae of known species identity, we compared the traditional externally based approach (method 1) with three alternatives: an approach based on interdigitation patterns of osteological features of cleared and stained individuals that has shown high potential for post-yolk-sac larvae (method 2); an approach based on premaxillary and vomerine tooth counts (method 3); and a variation of method 2 designed as a key to shorten inspection time (method 4). Method 1 provided the highest overall correct identification rates for striped bass (98.5%) and white perch (96.8%). Internal osteological features (method 2) also offered greater than 90% correct accuracy in identifying larvae but only for post-yolk-sac larvae sufficiently developed to display unambiguous development of the characters. Neither method 3 nor 4 yielded acceptable correct classification rates. These results indicate that external morphology can provide high accuracy in discriminating striped bass and white perch larvae (although wild-caught larvae might display more confounding variation). References G. Dingerkus and L. Uhler, 1977 Enzyme clearing of alcian blue stained small vertebrates for demonstration of cartilage, Stain Technology, 52, Pages 229–232. 10.3109/10520297709116780 CASPubMedWeb of Science®Google Scholar I. A. Fleming, B. Jonsson and M. R. 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