Single specimens of Finescale Triggerfish (Balistes polylepis) and Louvar (Luvarus imperialis) were found in British Columbia’s coastal waters in 2014. Both B. polylepis and L. imperialis normally are found off southern-most California and Baja California. Although a stray B. polylepis was caught as far north as Metlakatla, Alaska, during the 1982–1983 El Niño event, and L. imperialis is known to stray north along the Washington coastline, these 2 new specimens represent 1st records for British Columbia. Both probably moved north during the warm-water anomaly that has persisted along the North American coast since 2013.
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12 April 2016
First Records of Finescale Triggerfish (Balistes polylepis) and Louvar (Luvarus imperialis) in British Columbia, Canada
A Brooks
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Northwestern Naturalist
Vol. 97 • No. 1
Spring 2016
Vol. 97 • No. 1
Spring 2016
Balistes
Balistidae
Luvaridae
Luvarus
new records
range extension