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A Freshwater Bryozoan, Hyalinella vaihiriae Hastings (1929), from Hawaiian Prawn Ponds

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Title:A Freshwater Bryozoan, Hyalinella vaihiriae Hastings (1929), from Hawaiian Prawn Ponds
Authors:Bailey-Brock, Julie H.
Hayward, Peter J.
Date Issued:Jul 1984
Publisher:University of Hawai'i Press
Citation:Bailey-Brock JH, Hayward PJ. 1984. A freshwater Bryozoan, Hyalinella vaihiriae Hastings (1929), from Hawaiian prawn ponds. Pac Sci 38(3): 199-204.
Abstract:The occurrence of Hyalinella vaihiriae Hastings (1929) in ponds
for culturing freshwater prawns at Kekaha, Kauai, represents a new record to the
Hawaiian fauna and the second record of a phylactolaemate bryozoan from the
islands. This represents the fourth record of this species which was first described
from a lake at 427 m elevation on Tahiti. The known distribution also includes E.
Australia and Utah, United States. The bryozoan was found growing in a broad
band to a depth of 60 cm attached to vegetation around the banks of the ponds.
Specimens collected in both May and August 1982 contained statoblasts, but
they were much more numerous in the August material. In the laboratory adult
prawns were observed to feed on the bryozoan which grew more luxuriantly in
ponds holding a reduced standing crop of prawns. The prawn ponds at Kekaha,
Kauai, are no longer operational so the exact status of this species in Hawaii is
not known.
Appears in Collections: Pacific Science Volume 38, Number 3, 1984

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