OKINAWAN
OPISTHOBRANCH OF THE WEEK

Thorunna furtiva Bergh, 1878 (15mm)

Opisthobranch of the Week Data

Taxonomy:

Frequency on Okinawa: Collection Data:
[brackets indicate range for all Okinawa-collected specimens of the species]


Species Account:

        Thorunna furtiva is considered to be very rare on Okinawa as I have seen and collected only a solitary individual. The specimen was collected from the walls of a small (1m3) rocky tide pool during a near-minus spring tide daytime "reef walk".

        The orange line along the anterior and posterior midline of the rhinophore clubs and the line along the outer edge of the gills are characteristic of the species (Rudman, 2000).

        Thorunna furtiva is one of six described species of Thorunna known from Okinawan waters. The six species are:

Literature Cited:


Page Date: 7 Aug '00
Page Modification Date: 23 Feb '04
Digitally manipulated photo
Copyright © 2004 Robert F. Bolland