Congrid eels of the Eastern Pacific and key to their leptocephali
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Author
Raju, Solomon N.Date
1985
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Show full item recordAbstract
This study indicates that 13 species of congrid larvae belonging to 8 genera occur in the eastern Pacific. Thespecies are: Ariosoma gilberti; Paraconger californiensis; Paraconger sp.; P. dentatus; Chiloconger labiatus;Taenioconger digueti; T. canabus; Gorgasia punctata; G. obtusa; Gnathophis catalinensis; Hildebrandia nitens;Bathycongrus macrurus; and B. varidens. The morphological and anatomical changes undergone during metamorphosis are useful in the identification of the larvae. Larvae are distributed closer to the coastal waters, and are more common from January to May than from June to December. A key to the larvae was developed based on the myotomal counts, adult vertebral counts, pigmentation patterns, and the nature of the teeth and tail tip to distinguish the genera and species. This study shows that Garman's unidentified larvae, Atopichthys acus and A. cingulus, are two different larval stages of Ariosoma gilberti, and points out that Atopichthys dentatus and A. obtusus belong to Paraconger and Gorgasia, respectively. (PDF file contains 25 pages.)Issue/Article Nr
22Publisher or University
NOAA/National Marine Fisheries ServiceSeries : Nr
NOAA Technical Report NMFSResource/Dataset Location
http://spo.nwr.noaa.gov/tr22.pdfCollections