OKINAWAN
OPISTHOBRANCH OF THE WEEK
Phyllodesmium hyalinum Ehrenberg, 1831 (18mm)
Opisthobranch of the Week Data
Taxonomy:
- Order: NUDIBRANCHIA
- Suborder: Aeolidacea
- Family: Facelinidae
Frequency on Okinawa:
Collection Data:
- Individual Collection No: RFB #2472-B
- Location: Seragaki, Okinawa (26° 30.4'N, 127° 52.6'E) [all eight individuals collected from Seragaki]
- Date: 25 December, 1990 [Feb '89, Apr '89, May '89, Jul '89, Apr '90(2), Dec '90(2)]
- Depth: 7ft (2.1m) [5ft, 7ft, 7ft, 10ft, 10ft, 20ft, 20ft, 30ft]
- Water temperature at collection depth: Not recorded
- Size: TL 18mm [8mm, 9mm, 10mm, 13mm, 14mm, 16mm, 18mm, 35mm]
- Specimen deposited: California Academy of Sciences
[brackets indicate range for all Okinawa-collected specimens of the species]
Species Account:
Phyllodesmium hyalinum is considered to be rare on Okinawa as I have seen and collected a total of eight individuals over a period of more than twenty-five years of diving here.
Page Date: 19 Jan '98
Page Modification Date: 23 Jul '01
Digitally manipulated photo
Copyright © 2001 Robert F. Bolland
