Red Tide in the Morobe District of Paupa New Guinea
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1975-01
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University of Hawai'i Press
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Abstract
A red tide near Lae in the Morobe District of Papua New Guinea is
described. The causative dinoflagellate, Pyrodinium bahamense Plate, is known to
produce paralytic shellfish poisoning. Its characteristics are extensive orangebrown
discolorations of seawater by day, luminescence at night, and mortality to a
wide variety of marine life, including dolphins, turtles, fish, and bivalve mollusks.
An analysis of plankton samples taken in the area is given. Bivalve shellfish proved
highly toxic, but no toxin was detected in dead and live fish from water visibly
discolored by red tide. Comparisons are made with observations of a previous red
tide in the Central District near Port Moresby.
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Maclean JL. 1975. Red tide in the Morobe District of Paupa New Guinea. Pac Sci 29(1): 7-13.
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