853:
233:, have long flexible arms that they use to propel themselves through the water by moving them in a snake-like manner- hence the other common name for Brittle Stars- "Snake Stars". The arms reach lengths of 35-40mm, and are roughly 1mm across. The incredibly mobile arms are supported by an internal skeleton composed of calcium carbonate plates. These plates resemble vertebrae, and are appropriately named
309:
carry fertilized eggs in the arms, and release them through a distinguishable genital slit, also apparent on the arms. Juvenile development is lecithotrophic, meaning the larvae feed on yolk in order to develop to metamorphosis. As larvae develops, the anus is lost, and intestines are not apparent.
347:
Mortensen T (1933). On an extraordinary ophiurid, Ophiocanops fugiens
Koehler. With remarks on Astrogymnotes, Ophiopteron, and on an albino Ophiocoma. Papers from Dr. Th. Mortensen's Pacific expedition 1914-16. LX.
284:
may scavenge benthic floors for detritus and plankton, or alternatively, can use the propellant motion of their arms to capture surrounding particles to feed on. The arms serve further purpose as well.
289:
lacks eyes, but receives and responds to changes in light via photoreceptive tissues in their appendages. There are no reports of sexual dimorphism within the species. The evolutionary development of
550:
Biology of a rare ophiuroid
Ophiocanops fugiens Koehler, 1922 (Echinodermata) associated with black corals, with notes on the specimens collected from Lembeh Strait, Bitung, Indonesia
552:. Proceedings of the 11th JSPS Joint Seminar on Marine Science. Tokyo: Center for International Cooperation, Ocean Research Institute, University of Tokyo. pp. 326–333.
245:
displays calcium carbonate plates on the body and arms, presumably for defensive measures, and the arms bear delicate spines. The arms lack dorsal and ventral shields; the
428:
Pearse VB, Pearse JS, Hendler G, Byrne M, Mooi R, Telford M (1998). "An accessible population of
Ophiocanops off NE Sulawesi, Indonesia". In Mooi R, Telford M (eds.).
401:
Smith AB, Paterson GL, Lafay B (June 1995). "Ophiuroid phylogeny and higher taxonomy: morphological, molecular and palaeontological perspectives".
773:
663:
Emlet RB (2006). "Direct development of the brittle star
Amphiodia occidentalis (Ophiuroidea, Amphiuridae) from the northeastern Pacific Ocean".
249:
is on edge of central disc. The digestive glands extend into proximal portions of arms. It has no bursae for gonads and gas exchange/excretion.
172:. Though once considered to be the only one living species in this brittle star family, recent research has brought to light three specimens of
443:
786:
530:
Guille A (1979). "Les
Ophiurides des marges continentales de la région des Philippines-Indonésie Distribution Bathymétrique et étagement.".
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is a species- once thought to be extinct- found in South Asian seas, with studied specimens being found in the shores of the
Philippines.
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displays a central, armored, disk-shape body that is clearly demarcated from the arms and is 3mm in diameter. Brittle Stars, including
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799:
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624:"Brittle stars (Echinodermata: Ophiuroidea) from La RĂ©union and the systematic position of Ophiocanops Koehler, 1922"
329:"Brittle stars (Echinodermata: Ophiuroidea) from La RĂ©union and the systematic position of Ophiocanops Koehler, 1922"
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It's incredibly small and compact central disc is proposed to have developed to lessen pressure of predation, as
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feeds on potentially harmful microorganisms and micro-particles that inhabit coral reefs. Additionally,
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has been reported to be a dark brown or purple in color, sometimes exhibiting spotted coloration.
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are not well known. Highly developed gonads extend into the arms, and it is presumed that female
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demonstrates a small, triangular plated mouth, featuring a set of six conically arranged teeth.
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137:
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8:
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Hotchkiss FH (August 1977). "Ophiuroid
Ophiocanops (Echinodermata) not a living fossil".
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can be found in waters as shallow as the seashore floor to depths of 200 meters.
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has been found to have a mutualistic symbiotic relationship with Black Corals.
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Oegophiuridea. Some recent data suggest its relationship to the extant family
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Echinoderms: Proceedings of the
European Colloquium on Echinoderms, Brussels
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has been largely classified as an enigma, and little is known regarding it.
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forms, though other authors have disagreed with the view. Classification of
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Ophiurans of the
Philippine Seas and Adjacent Waters, Issue 100, Volume 5
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Videnskabelige
Meddelelser Fra Dansk Naturhistorisk Forening I Kobenhaven
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432:. Vol. 413. San Francisco. Balkema, Rotterdam. pp. 413–418.
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It has been regarded as the most primitive brittle star, close to
804:
565:"Global diversity of brittle stars (Echinodermata: Ophiuroidea)"
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Fujita TS, et al. (2001). Terazaki MA, et al. (eds.).
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is capable of regenerating arms. The reproductive tendencies of
53:
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The World Ophiuroidea Database - Ophiocanops Koehler, 1922
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867:. You can help Knowledge by
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43:Scientific classification
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352:(Report). Vol. 93.
27:Species of brittle star
863:-related article is a
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709:Ophiocanops fugiens
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227:Ophiocanops fugiens
188:is highly argued.
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190:Ophiocanops
178:O. fugiens.
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