Ophiostigma isocanthum (Say 1825)

In Panama this species has been collected from Palina Island (USNM 1117667; Centroid Latitude: 9.6128, Centroid Longitude: -79.6011, depth 0 to1 m), and from Dog Island (USNM E 53306; Centroid Latitude: 9.5550, Centroid Longitude: -78.9467), San Blas, Caribbean Sea.

Lütken, C. F. (1855). Bidrag til Kundskab om Slangestjernerne. I. Forelöbig Oversigt over Grönlandshavet Ophiurer. Videnskabelige Meddelelser fra den naturhistoriske Forening 1854, 6: 95-104.

Pawson, D. L., D. J. Vance, C. G. Messing, F. A. Solis-Marin, and C. L. Mah. (2009). Echinodermata of the Gulf of Mexico, Pp. 1177–1204 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College S.

Say, T. (1825). On the species of the Linnaean genus Asterias inhabiting the coast of the U.S. Journal of the Academy of natural sciences of Philadelphia, 5, 141-154.

World Ophiuroidea Database

LSID urn:lsid:marinespecies.org:taxname:244070

Ophiocoma isocantha (Say, 1825)
Ophiostigma isocantha (Say, 1825)
Ophiostigma moniliforme Lütken, 1856
Ophiura isocantha Say, 1825

Disk circular to pentagonal (dd = 1.58 to 3.31 mm). Covered by small blunt tubercles (Fig. 7f). Some large and blunt tubercles distributed in the interradius, usually near the radial shields. Radial shields small (Fig. 7f, h). Ventral interradius covered by short and blunt tubercles similar to the dorsal ones (Fig. 7g). Bursal slits narrow and long. Oral shields fan-shape (Fig. 7i). Adoral shields united proximally and almost touching the adoral shield of the neighbouring jaw along median arm line (Fig. 7i). Two oral papillae on each side of jaw angle, distal operculate, closing oral slit (Fig. 7i). Dorsal arm plate with proximal margin rounded and distal margin straight (Fig. 7j). Ventral arm plate pentagonal, long. Three conical arm spines (Fig. 7l). Two elongate tentacle scale (Fig. 7l).

Bermuda, North Carolina to Florida and the island off southern Florida, Texas offshore reefs, the Bahamas, the Antilles, Mexican Caribbean, Panama, Colombia and islands off Caribbean, Colombia, Venezuela, and Brazil (Hendler et al. 1995, Chavarro et al. 2004, Laguarda-Figueras et al. 2004, Durán-Gonzáles et al. 2005, Borrero-Pérez et al. 2008). In Brazil from Pará, Ceará, Paraíba (Albuquerque 1986), Pernambuco (Lima and Fernandes 2009), Alagoas (Albuquerque 1986), Bahia (Magalhães et al. 2005), and Rio de Janeiro (Rathbun 1879). Intertidal to 244 m in depth. Recorded from 14 to 34 m in this study.