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Title: Growth and Behavior of Trichoplax adhaerens: First Record of the Phylum Placozoa in Hawaii 
Author: Pearse, Vivki Bushsbaum
Date: 1989-04
Publisher: University of Hawaii Press
Citation: Pearse VB. 1989. Growth and behavior of Trichoplax adhaerens: first record of the phylum placozoa in Hawaii. Pac Sci 43(2): 117-121.
Abstract: I report here the first record of Trichoplax adhaerens F. E.
Schulze (phylum Placozoa) in Hawaii. Individuals were found on glass slides
placed in the seawater system of the Pacific Biomedical Research Center on
Kewalo Basin, Oahu, during November and December 1986. Records of growth
rates of Hawaiian placozoans, in the laboratory at about 23°C, showed a
doubling time ranging from 1 to 3 days, both in numbers (by fission) and in
biomass (estimated by area). In a test for substrate preference, the animals
favored conditioned glass slides (left in seawater for several weeks) over clean
glass slides. A strong reaction to ultraviolet was observed.
ISSN: 0030-8870

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