Yellowfin tuna larva 10.5 mm in length

Weighing tuna on BCF research vessel

Studying skipjack tuna

Messrs. Cleaver and Bell Shimada examining skipjack

Scientist taking tuna blood sample from tuna caught during U.S. Atlantic Tournament.

Scientist taking tuna blood sample from tuna caught during U.S. Atlantic Tournament.

Scientist taking tuna blood sample from tuna caught during U.S. Atlantic Tournament.

Scientist taking tuna blood sample from tuna caught during U.S. Atlantic Tournament.

Welch, June, and Cleaver measuring tuna.

Scientists examining tuna

Taking weight and length of yellowfin tuna on FWS research vessel OREGON

Surplus AVR used by Tuna Research Laboratory at La Jolla. This was a high-speed former navy rescue vessel

Frank Hester of the Tuna Research Laboratory preparing the alphameter.

Frank Hester of the Tuna Research Laboratory preparing the alphameter.

Yellowfin tuna being hauled aboard

Bringing a yellowfin tuna alongside for tagging. Caught on longline gear on the BCF research vessel OREGON

Tuna study behavior tanks

Visitors inspect one of the tanks at Kewalo Basin in which investigations of tuna behavior are conducted. The tanks are 24 feet in diameter, 4 feet deep.

In the genetics laboratory, a technician checks the results of agglutination tests of the blood of fishes, in this instance skipjack tuna.

Walter M. Matsumoto examines the results of a plankton haul aboard the BCF research vessel CHARLES H. GILBERT. His specialty is larval tunas.

Scientists at the Tuna Resources Laboratory experiment with balloons as a possible method for increasing the efficiency of the tuna fishing fleet. Balloons launched from fishing vessels would greatly extend the range at which spotters could sight tuna schools.

Scuba diver inside tuna purse seine

Extracting gills from tuna and taking blood sample from white tip shark during International Indian Ocean Expedition.

Tuna purse seine as adapted by Medina being tested in tropical Pacific.

The contemporary seiner Cape Beverly on maiden voyage after conversion. From "Purse Seine Revolution in Tuna Fishing" by Richard L. McNeely in Pacific Fisherman, June 1961.

Two-headed terrapin - one of five observed at hatchery since 1912

Release of baby terrapin by local fisherman

Captain Hatsel of U.S. Fisheries releasing 10-month old baby terrapin in salt marsh.

Aquarium and terrapin rearing house. Experimental marsh ponds in the distance used for oyster culture and marine fish propagation.

Terrapin laying eggs

Terrapin on sandy shore preparing to lay eggs

Captain Hatsell feeding fish scraps to terrapin

Interior view of aquarium and terrapin rearing house.

Female terrapin depositing eggs in sand.

Observing terrapin rearing tanks

Terrapins in breeding pens come a-running when Cap'n Hatsell whacks tin fish bucket with shovel. Chopped fish is served twice a week at Beaufort terrapin farm.

Terrapin town - view of Pivers Island, near Beaufort, where U. S. conducts experiments in seafood, including terrapin, a pre-prohibition delicacy, now little known to a generation the papas of which ate up most of it.

In pens like these, adult terrapins are kept as breeding stock at federal hatchery. Pens are located so that they are flushed by every tid.

Loggerhead turtles, 4 years old. Reared from the egg at the U.S. Fisheries Biological Laboratory at Beaufort.

Loggerhead turtles 4 years old reared at the Beaufort Laboratory.

Captain Hatsell feeding baby terrapin in rearing house.

Mature male (smallest) and female shipped to California.

Captain Hatsell feeding adult terrapin in feeding pen.

Aquarium and terrapin rearing house.

Loggerhead turtles 4 years old.

Captain Hatsell releasing 10-month old baby terrapins in salt marsh area.

Adult terrapin shipped to California in 1943.

Boxing adult terrapin for shipment to California

Interior of terrapin rearing house

Captain Hatsell releasing baby terrapin in salt marsh