OKINAWAN
OPISTHOBRANCH OF THE WEEK

Hypselodoris emma Rudman, 1977 (31mm}

Opisthobranch of the Week Data

Taxonomy:

Order: NUDIBRANCHIA
Suborder: Doridina
Family: Chromodorididae

Frequency on Okinawa:

Very Rare

Collection Data:

Individual Collection No: RFB #1871
Location: Horseshoe Cliffs (26^o30.0'N, 127^o50.9'E)
Date: 8 June, 1987 [8 Jun 87, 5 Jul 90]
Depth: 10ft (3.0m) [10ft, 10ft]
Water temperature at collection depth: 80.1^oF (26.7^oC)
Size: TL 31mm [31mm, 31mm]
Specimen deposited: California Academy of Sciences

[brackets indicate range for all Okinawa-collected specimens of the species]

Species Account:

Hypselodoris emma is considered to be very rare on Okinawa as I have collected only two individuals during a good many years of diving and snorkeling on Okinawa. I have seen perhaps two other individuals here, but neither data nor specimens were gathered.

OKINAWANOPISTHOBRANCH OF THE WEEK

OKINAWAN
OPISTHOBRANCH OF THE WEEK