Confocal microscopy as a useful approach to describe gill rakers of Asian species of carp and native filter-feeding fishes of the upper Mississippi River system

To better understand potential diet overlap among exotic Asian species of carp and native species of filter‐feeding fishes of the upper Mississippi River system, microscopy was used to document morphological differences in the gill rakers. Analysing samples first with light microscopy and subsequent...

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Bibliographic Details
Published in:Journal of fish biology 2014-11, Vol.85 (5), p.1777-1784
Main Authors: Walleser, L. R., Howard, D. R., Sandheinrich, M. B., Gaikowski, M. P., Amberg, J. J.
Format: Article
Language:English
Subjects:
Animals
bighead carp
bigmouth buffalo
Cyprinidae - anatomy & histology
Diet
Gills - anatomy & histology
gizzard shad
Illinois
Indiana
Introduced Species
Microscopes
Microscopy
Microscopy, Confocal
Rivers
silver carp
South Dakota
suspension feeding
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Description
Summary:To better understand potential diet overlap among exotic Asian species of carp and native species of filter‐feeding fishes of the upper Mississippi River system, microscopy was used to document morphological differences in the gill rakers. Analysing samples first with light microscopy and subsequently with confocal microscopy, the three‐dimensional structure of gill rakers in Hypophthalmichthys molitrix, Hypophthalmichthys nobilis and Dorosoma cepedianum was more thoroughly described and illustrated than previous work with traditional microscopy techniques. The three‐dimensional structure of gill rakers in Ictiobus cyprinellus was described and illustrated for the first time.
ISSN:0022-1112
1095-8649
DOI:10.1111/jfb.12504