Observations on the Behavior of the Porpoise Delphinus delphis

See allHide authors and affiliations

Science  01 Jul 1960:
Vol. 132, Issue 3418, pp. 35-36
DOI: 10.1126/science.132.3418.35


Common porpoises have been observed in January, in the area of the Hudson Canyon, feeding on fish that escaped an otter trawl. An echo-sounder alsorecorded, in one instance, a descent of a porpoise to a depth of 200 feet in less than 2 minutes.