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Free Content On the Biology of Blennius Cristatus with Special Reference to Anal Fin Morphology

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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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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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