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Adhesive structures in the eggs of Corydoras aeneus(Gill, 1858; Callichthyidae)

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Abstract:

The surface structure of the eggs of the catfish Corydoras aeneus was examined and showed to be a unique pattern among teleosts. The surface was covered with small protuberances, which resemble attaching‐filaments of teleost eggs. Eggs were, however, found to be very adhesive and since the species is known to inhabit turbid waters, this rare egg attachment mode could well be related to these environmental conditions.

Keywords: Corydoras aeneus; adhesiveness; egg surface morphology; micropyle; villi

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.0022-1112.2005.00647.x

Affiliations: Ghent University, Vertebrate Morphology, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium

Publication date: March 1, 2005

bsc/jfb/2005/00000066/00000003/art00022
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