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Ophiocoma erinaceus

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Ophiocoma erinaceus is an echinoderm, more specifically a brittle star of the Ophiocomidae family.[1]

Description

Ophiocoma erinaceus is black with red tube feet.[1][2] On the arm segments, there are three arm spines on one segment while the other has four. The next segment occurs in reverse order.[3] In Hawaii, it is the largest brittle star, with sizes of the arms going up to 5 ½ inches, and the disk can be about 1 inch in diameter.[1]

Distribution & Habitat

Ophiocoma erinaceus is distributed within the Indo-Pacific oceans and can be found under rocks and stones.[1]

Human Uses

The saponin and antioxidants Ophiocoma erinaceus produces is the subject of interest to researchers as it has been studied for medical research.[4][5] It has been observed that the saponin extracted from Ophiocoma erinaceus can decrease and inhibit the growth of HeLa human cervix cancer cells.[5]

References

  1. ^ a b c d Hoover, John P. (1998). Hawai'i's sea creatures : a guide to Hawai'i's marine invertebrates. [Honolulu, Hawaii]: Mutual Pub. ISBN 1-56647-220-2. OCLC 41975146.
  2. ^ Benavides-Serrato, Milena; O´Hara, Timothy D. (2008). "A new species in the Ophiocoma erinaceus complex from the South-west Pacific Ocean (Echinodermata: Ophiuroidea: Ophiocomidae)". Memoirs of Museum Victoria. 65: 51–56. doi:10.24199/j.mmv.2008.65.4. ISSN 1447-2546.
  3. ^ O'Hara, Timothy D.; Hugall, Andrew F.; Cisternas, Paula A.; Boissin, Emilie; Bribiesca-Contreras, Guadalupe; Sellanes, Javier; Paulay, Gustav; Byrne, Maria (2019). "Phylogenomics, life history and morphological evolution of ophiocomid brittlestars". Molecular Phylogenetics and Evolution. 130: 67–80. doi:10.1016/j.ympev.2018.10.003. PMID 30308280. S2CID 52965126.
  4. ^ Baharara, Javad; Amini, Elaheh (2015). "Phytochemical Screening, Antioxidant Effect and Down Regulation of TGF-β Induced by Ophiocoma erinaceus Brittle Star Crude Extract". Zahedan Journal of Research in Medical Sciences. 17 (12). doi:10.17795/zjrms-5194. ISSN 2383-2894.
  5. ^ a b "Hemolytic and cytotoxic effects of saponin like compounds isolated from Persian Gulf brittle star (Ophiocoma erinaceus)" (PDF). Journal of Coastal Life Medicine. 2014-06-30. doi:10.12980/JCLM.2.2014JCLM-2014-0056.
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Ophiocoma erinaceus: Brief Summary

provided by wikipedia EN

Ophiocoma erinaceus is an echinoderm, more specifically a brittle star of the Ophiocomidae family.

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visit source
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wikipedia EN

Description

provided by World Register of Marine Species
Colour in life: all black, some with white trim to ventral arm plates, most with bright orange podia (Humphreys, 1981). Very common. Description: arm length to 12 cm, disc diameter to 20 mm. Distinctive uniformly black body with long, thick spines on arms, shorter towards the tips. Orange tube-feet. Disc scales covered by rounded granules, extending into a V-shaped interradial area on the ventral side of the disc. Aboral arm plates broader than long, narrower on one side. Arm spines alternating three and four for greater part of the arm length. Habitat: sand and rubble in shallow areas and shallow sublittoral among coral; coral reef, beacon reef (Balinsky, 1957). Also distributed in Gilbert Islands, Tuamotus, Saipan (Clark, 1954); SE Arabia, Maldive area, Ceylon, Bay of Bengal, East Indies, north Australia, Philippie, China, south Japan, South Pacific Is. and Hawaiian Is. (Clark & Rowe, 1971); Australia (Kalk (1958) and Rowe & Gates (1995)); Lakshadweep (India) in Sastry (1991). General distribution: from the Red Sea to Hawaii and SE Polynesia (Tortonese, 1980); WIO, Red Sea to W Pacific (Richmond, 1998); tropical, Indo-Pacific Ocean, depth range 0-27 m. (Kalk (1958) and Rowe & Gates (1995)); East coast of Africa to Hawaiian Islands in Sastry (1991). Ecology: benthic, inshore (Rowe & Gates, 1995).

Reference

4. Paxton, J.R. and Eschmeyer, W.N. (1994) Encylopedia of Fishes. UNSW Press, Sydney.

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