Ophiothrix purpurea   von Martens,  1867 (Brittle Star)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Echinodermata
Class: Ophiuroidea
Order:Ophiurida
Family:Ophiotrichidae

Image copyrights: Teresa Zubi

Description
Size: Arm length to 12 cm, disc diameter to 1.2 cm.

Color: Disc patterned in red, arms dark red median outlined in white, arm spines red, ventrally lighter red with a dark median line along the arms.

Delicate; arms with very fine banding and red and white with dark red line along dorsal surface and very long, needle-like spines. Disc scales covered with long and thorny spines, central disc naked in the smallest specimen. Radial shields naked, large, widest at the middle or near the proximal end. Aboral arm plates longer than broad, distal side convex, a dark median longitudinal line bordered by red lines separated by pale lines on either side. Oral arm plates longer than broad, distal edge convex in basal segments, becoming concave later, dark media longitudinal spots forming an almost continuous line with pale lateral areas. Oral shields wider than long, a small pointed tip in the proximal side. Aboral shields longer than broad. Five long needle-like arm spines, thorny and pointed, about 6-7 times the arm breadth in length, uppermost the longest.


Synonym (s)

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Benthic, Reef Associated

Biogeography


• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, Pune
  • Sastry, DRK (2002) Echinodermata associated with coral reefs of Andaman and Nicobar Islands Zoological Survey of India ZSI 100(3-4) 21-60 Available at - ZSI, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Starfish Available at - http://www.starfish.ch/

Page last updated on:2010-11-25

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