On the Biology of Blennius Cristatus with Special Reference to Anal Fin Morphology
Blennius cristatus L. was studied in Biscayne Bay, Florida, for a twelve-month period. Observations on anal-fin morphology, variation in ovum sizes, development of external genitalia, and behavior suggest that reproductive activity occurred in the spring and fall. The incised anal fin in this species appears to be an adaptation for clinging to the substratum. Sexual dimorphism in the anal fin of this and other blenniids is discussed in relation to its possible functional significance.
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Document Type: Research Article
Publication date: 1974-09-01
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