Landing a sandbar shark from a commercial shark fishing line

Shark caught during shrimp trawling operation on FWS ship OREGON

A large shark caught in a gillnet during tuna fishing

Dogfish in aquarium tank.

Dogfish in aquarium tank.

Dogfish

Small Great White Shark.

Captain Charles Kaufman inspects some of his shark fins set up on demonstration drying rig provided by USFWS (Springer and Wagner Chapter 43, probably in Sharks and Survival, Perry W. Gilbert Editor, 1963.)

Tagging a small shark Triakis semifasciata (Possibly Stewart Springer doing the tagging). (Springer and Wagner Chapter 43)

Rhina ancylostoma, a large batoid fish resembling a guitar fish. (Springer and Wagner Chapter 43)

Mako shark caught on rigged eel off Nomans Island, Massachusetts.

Sandbar shark coming aboard the CHALLENGER Bay. Pulling a shark aboard.

Survey of shark populations along the Atlantic coast from Maine to Chesapeake Bay. Preparing lines and flagged buoys for shark fishing.

Mackerel shark.

5-foot dusky shark is being eased in close to chartered fishing boat CHALLENGER during shark tagging off Sandy Hook.

A large hammerhead shark caught in shrimp trawl net.

Shark sucker (remora) in aquarium

Biologist measuring shark

Biologists weighing a large shark. Note the two men in center right helping hoist the fish.

U.S. National Research Foundation Research Vessel ANTON BRUUN at anchor off Phuket, Thailand. BCF scientists conducted fisheries surveys from this vessel while participating in the International Indian Ocean Expedition.

The observer in the raft NENUE sits in a circular caisson provided with windows that afford a 360-degree view of the surrounding water.

The STD recorder which provided rapid recording of salinity, temperature, and depth. Caption states that this instrument was used while the ship was underway.

Camera sled balanced on the stern rail of the BCF vessel GEORGE M. BOWERS. A) camera mounts. B) Handles for regulating port and starboard control surfaces. C) Lined boxes for light meters. D) Rudder.

Preparing small plankton sampler for deployment. Possibly BCF vessel GEORGE M. BOWERS.

Preparing small plankton sampler for deployment. Possibly BCF vessel GEORGE M. BOWERS.

Plankton sampler ready for deployment and being attached to tow line. Possibly BCF vessel GEORGE M. BOWERS.

Preparing reversing thermometer for deployment. Possibly BCF vessel GEORGE M. BOWERS.

Preparing reversing thermometer for deployment. Possibly BCF vessel GEORGE M. BOWERS.

Preparing bathythermograph instrument for deployment. Possibly BCF vessel GEORGE M. BOWERS.

Bathythermograph ready for lowering. Possibly BCF vessel GEORGE M. BOWERS.

Placing smoked glass bathythermograph slide in instrument prior to deployment.

Preparing Nansen bottles for deployment. Nansen bottles are used to acquire water samples at pre-set depths and as a mount for reversing thermometers.

Deploying Nansen bottles while ship drifting downwind.

Technician reading temperatures measured by reversing thermometers deployed with Nansen bottle. Temperature recorded was obtained at lowest depth to which Nansen bottle was lowered and then "flopped."

Recovering Nansen bottle

Attaching Nansen bottle to cable on hydrographic cast.

Attaching reversing thermometer to cable prior to lowering to desired depth.

Double plankton sampling array used to collect fish eggs and larvae to determine the distribution and abundance of living marine resources.