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Isostichopus badionotus(Selenka, 1867)Isostichopus badionotus
Common Name: Chocolate chip cucumber

PhylumClassOrderFamilyGenusSpecies
EchinodermataHolothuroideaAspidochirotidaStichopodidaeIsostichopusbadionotus
Habitat
Seagrass beds and sandy bottoms with algae; has been collected on shallow-water coqionoid ledges and deep water Oculina coral reefs.
Distribution
Caribbean, south Carolina as far south as Brazil.
Natural History Notes
I. badionotus is one of the most common shallow-water sea cucumbers in the western Atlantic. In Panama, a harvesting ban is in currently effect until 2008. Adults live fully exposed on mud, sand, or rocks; juveniles attach to the underside of rubble or coral slabs. In a given day, an individual travels about 0.5m and refills its gut three to four times.
The species has been examined for the presence of neurotransmitters involved in the contractile activity of its intestine.
Depth
low tide mark to 65 m
Characteristics
I. badionotusis a large species that grows to a length of 45cm. It is distinguished by the presence of several to many dark, conspicuous warts on its dorsal surface and the thick conical papillae protruding from the ventrolateral margin. The body wall is very thick and rigid and exudes a slimy mucus when the animal is removed from water. The mouth is located ventrally and surrounded by about 20 large, shield-shaped tentacles with thick stalks. The sea-cucumber can vary dramatically in color.
Other Literature
Guzman, H. M., Guevara, C. A., et al. 2003. Reproductive cycle of two commercial species of sea cucumber (Echinodermata: Holothuroidea) from Caribbean Panama. Marine Biology 142: 271-279.

Guzman, H. M. and Guevara, C. A. 2002. Population structure, distribution and abundance of three commercial species of sea cucumber (Echinodermata) in Panama. Caribbean Journal of Science. 38(3-4): 230-238.
In Bocas Del Toro
Reported ByHector Guzmán, Carlos Guevara & Ileana Hernández; Hendler, G. Marine Invertebrate Taxonomy Workshop, Bocas del Toro, August 2003
ObservationsCommon in Bocas del Toro.
Compiled by
Lexi Weintraub
Images
Isostichopus badionotus
Isostichopus badionotus
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.
Comments
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