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Free Content Studies on the Reproductive Biology of the Genus Cerithium (Gastropoda: Prosobranchia) in the Western Atlantic

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The reproductive biology of western Atlantic members of the genus Cerithium (C. muscarum, C. variabile, C. eburneum, C. floridanum, C. litteratum, and C. auricoma) is investigated. Pairing, spawning, descriptions of egg masses and early development are considered. Spermatophores and their method of transfer are described for C. muscarum. Eggs are laid by Cerithium species in gelatinous strings or coils attached to a substratum as a tangled mass.

There are two types of development in the genus in Florida: The first and most common is indirect development involving many eggs, rapid cleavage, a short encapsulated period, and emergence of free-swimming veligers. The second pattern, seen in C. muscarum and C. variabile, involves direct development, fewer and larger eggs, and a longer period of encapsulation, with the young hatching only when metamorphosed as small crawling snails.

Spawning and incubation periods, early developmental rates, and measurements of ova and larvae are established, and comparisons made with species from other parts of the world.

Document Type: Research Article

Publication date: 1973-12-01

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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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