Balistes polylepis and Xanthichthys caeruleolineatus, Two Large Triggerfishes (Tetraodontiformes: Balistidae) from the Hawaiian Islands, with a Key to Hawaiian Species
Balistes polylepis and Xanthichthys caeruleolineatus, Two Large Triggerfishes (Tetraodontiformes: Balistidae) from the Hawaiian Islands, with a Key to Hawaiian Species
Date
1998-10
Authors
Randall, John E.
Mundy, Bruce C.
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University of Hawaii Press
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Abstract
The large triggerfish Balistes polylepis Steindachner, the most
common species of the family in the eastern Pacific, was previously reported
from Hawai'i as Pseudobalistes juscus (Bloch & Schneider) or questionably as
B. polylepis; the identification as B. polylepis is here confirmed. Because of its
rare occurrence in Hawai'i, it was believed to be a waif; however, an underwater
photograph of one guarding a nest indicates that spawning has occurred
in Hawai'i. A second large balistid, Xanthichthys caeruleolineatus Randall,
Matsuura & Zama, wide ranging from the western Indian Ocean to Cocos
Island, Costa Rica, is recorded from the Hawaiian Islands, where it is known
from 46 to 165 m. A key is presented to the 11 Hawaiian species of the Balistidae.
An enigmatic specimen of Canthidermis reportedly collected in Hawaiian
waters is also discussed.
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Randall JE, Mundy BC. 1998. Balistes polylepis and Xanthichthys caeruleolineatus, two large triggerfishes (Tetraodontiformes: Balistidae) from the Hawaiian Islands, with a key to Hawaiian species. Pac Sci 52(4): 322-333.
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