Seven fish choruses have been
identified by researchers
Fish sing dawn choruses in the
ocean just as birds do on land, scientists have said.
Seven fish choruses have been
identified by researchers from Exeter University and Curtin University in
Perth, Australia, which varied from “foghorn” cries to “grunting” noises.
Using a pair of sea-noise loggers
positioned at different points in the coastal waters of Port Headland in
Western Australia, scientists monitored the ocean continually for 18 months and
recorded distinct choruses occurring at different times of the day,
particularly at dawn and at dusk, with songs predominantly heard between early
spring and late summer.
The study, led by Robert McCauley
and published in the journal Bioacoustics, found the majority of this submarine
soundscape was emitted through repetitive solo calls from fish, however these
sounds also overlapped creating the choruses.
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