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Lytechinus williamsiChester, 1968Lytechinus williamsi

PhylumClassOrderFamilyGenusSpecies
EchinodermataEchinoideaTemnopleuroidaToxopneustidaeLytechinuswilliamsi
Habitat
Crevices in coral reefs and rocky areas, or on exposed surfaces of corals such as Mellipora or Agaricia spp., depending on locality.
Distribution
Caribbean, Florida Keys, Panama, Belize.
Natural History Notes
In Panama, the species has an annual reproductive cycle with an extended spawning period during the rainy season; spawning behavior is not related to lunar phases.
Depth
5-92m
Characteristics
The species is small, with the brown test rarely exceeding 30 mm in diameter. Spines are usually deep green, sometimes white, and the large, conspicuos, globiferous pedicellariae are purple.
Other Literature
Lessios, H. A. 1991. Presence and Absence of Monthlu Reproductive Rhythms Among Eight Caribbean Echinoids off the Coast of Panama. Journal of Experimental Marine Biology and Ecology. 153(1): 27-48.
In Bocas Del Toro
Reported ByHendler, G.; Marine Invertebrate Taxonomy Workshop, Bocas del Toro, August 2003
ObservationsCommon in Bocas del Toro.
Compiled by
Lexi Weintraub
Images
Lytechinus williamsi
Lytechinus williamsi
Links
Reference
Collin, R., M.C. Diaz, J. Norenburg, R.M. Rocha, J.A. Sanchez, A. Schulz, M.L. Schwartz and A. Valdes. 2005. Photographic identification guide to some common marine invertebrates of Bocas Del Toro, Panama. Caribbean Journal of Science 41: 638-707.

Hendler, Gordon, John E. Miller, David L. Pawson, and Porter M. Kier. 1995. Sea Stars, Sea Urchins, and Allies - Echinoderms of Florida and the Caribbean. Washington D. C. 390pp.: Smithsonian Institution Press.
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