Balistes polylepis and Xanthichthys caeruleolineatus, Two Large Triggerfishes (Tetraodontiformes: Balistidae) from the Hawaiian Islands, with a Key to Hawaiian Species

Randall, John E.
Mundy, Bruce C.
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University of Hawaii Press
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.
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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