Meet Mr. Porpoise - Ceta-Base

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( o 'i BLY i DLI P in canva tin porp been transported from the dock ii, the octanarium in a special truck. I hoist then lift tin qu animal up to tin ' eceh ing tank. Being an air- breathing mammal flu porpo'tSi Can l>, kept '-lit of ati ' for long period Whitney above the water, by swimming on their sides, heads out of water, and intently watching the fi>h with the exposed eye. Occasionally they catch the fish in their mouths, but usually only arrive in the general region in which the fish lands. That the) recognize the fly- ing object as a fish is improbable, because the tamer ones will leap just as high out of water to take the keeper's empty hand as they will to take a fish. After a few unrewarded leaps, however, they will refuse to jump until the reward is again given. Underwater it is more difficult to determine the extent of the bottle-nosed dolphin's vision. Because the water in the tank is of exceptional clarity, the ob- server is usually able to recognize objects on the far A YOUNG PORPOISE at Marine Studios takes a mullet near the surface. The light scattered by the rippled surface com- pletely breaks up the form of the animal and at a distance -.idt- of the tan. observations that thi the tank, but no direct evidence bi I > le ' the fact that the turbidit) i near Marine- land is usually twenty-five ter than that in tin- tanks, the possibility led vision in nature are considerabl) less than the) arc for animals in captn itj All mammals require sleep in order to live and it is therefore not surprising to find that the porpoises spend definite periods throughout the da) and night completer) relaxed. The animals, during these periods of relaxation, always remain motionless at the surface, the top portion of the head, including the blow- hole, exposed to the air. The tail portion of the body, ha
This photograph was taken when the original mother and daughter were being trained. A few moments later, the adult took the author's right foot in (Left) The new arrival is gently lowered into the receiv- ing tank. During this handling, the mammals remain remarkably quiet and suffer no injuries to their sensitive skins (Below) An attendant assists the animal from the canvas sling. New arrivals are kept in this tank for weeks, where they lose fear of man and feed freely. They are then better able to compete with older residents in the large tank her mouth and started off. As soon as she realized her mistake, however, the foot was released with scarcely a scratch Photo by U'm. F. Ge
Page 1 and 2: MEET MISTER By Arthur F. McBride cu
Page 3 and 4: gether as it exists in the open sea
Page 5: photo by "' (Left) The concrete SHE
Page 9 and 10: to have a complete understanding of
Page 11 and 12: Young PORPOISE leaping for food. Th
Page 13 and 14: tivity, they were also found to be

Meet Mr. Porpoise - Ceta-Base

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