FEATURED OKINAWAN MARINE INVERTEBRATE
Ophiarachna incrassata

Ophiarachna incrassata (Lamarck, 1816) (size unrecorded)

Featured Invertebrate Data

Taxonomy:

Frequency on Okinawa: Collection Data:
Species Account:

        C is considered to be rare on Okinawa as I have collected and photographed only a few specimens, although I've seen additional individuals over a period of more than twenty years of Okinawa diving.

        The following description, habitat and general distribution of Ophiarachna incrassata is taken from WoRMS (World Register of Marine Species):

Description: arm length up to 20 cm, disc diameter to 5 cm. Colour conspicuously green with yellow markings and dark-ringed white spots.

Habitat: among coral bases and rubble.

General distribution: tropical, Indo-west-central Pacific Ocean, littoral waters (Rowe & Gates, 1995); WIO, Red Sea and W Pacific (Richmond, 1998). Also distributed in Java in Ljungman (1866); Ceylon, Bay of Bengal, East Indies, north Australia, Philippine, China, south Japan and South Pacific Is. (Clark & Rowe, 1971); Australia (Rowe & Gates, 1995).

There are several on-line sites with photographs and videos of Ophiarachna incrassata. Several of these sites are:

Photos:

Blue Zoo Aquatics

Google (numerous photos here)

Videos:

       Being fed by aquarist

       Numerous individuals in aquarium

       Being fed by aquarist

In addition, Chris Mah has several images and videos of O. incrassata featured on The Echinoblog.

Etymology:

Literature Cited:


        I've added a second page w/ a few additional images of the species.

        In addition, I've added a link to the current and past featured invertebrates via a list and thumbnails.


Page Date: 01 Nov '18
Page Modification Date: 01 Nov '18
Digitally manipulated photo
Copyright © 2018 Robert F. Bolland