A frame of RSV Challenger:showing deployment/recovery of Deep Sea Trawl: (in regions as deep as the Porcupine Bight, both processes take a few hours).
Deep Sea Trawl:deployment/recovery;showing otter-boards, which splay apart under water pressure, as vessel moves foreward, to keep nets open.
Eppibenthic Sledge: front; showing opening of benthic and plankton nets, tickler chain, cameras, flash, and telemitry gear.
Eppibenthic Sledge: left side; showing plankton net, cameras, flash, telemitry gear, odometer wheel, sledge frame and skees.
Eppibenthic Sledge: left side; (drawing courtesy of A.G. Aldred) showing plankton net, cameras, flash, telemitry gear, odometer wheel, sledge frame and skees.
Eppibenthic Sledge: rear, left; showing extent of benthic net and plankton net, sledge skee and odometer wheel.
Bathysnap: bottom; showing buoys, camera, flash, weight attachment coupling (recovery charge is set off remotely)
Range of Deep Sea Invertebrates
Left Tray: Deep Sea Fish. Right Tray:Deep Sea Glass Sponges
Deep Sea Purple Holothurian: Benthothuria sp.
and Deep Sea Echinoderm and Crustacean
1. The National Museum of Ireland
Letter received from Mark Holmes, of Natural History Division.
2. The Zoology Department of University College Galway, and
3. The Ecology Laboratory of The Institute of Technology, Sligo.
Home Bill Home SCUBA
Dive Sci. Mar. Biol. M'more Sur.