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2015 ; 5
(ä): 11310
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Social behaviour in mesopelagic jellyfish
#MMPMID26065904
Kaartvedt S
; Ugland KI
; Klevjer TA
; Røstad A
; Titelman J
; Solberg I
Sci Rep
2015[Jun]; 5
(ä): 11310
PMID26065904
show ga
Gelatinous organisms apparently play a central role in deep pelagic ecosystems,
but lack of observational methodologies has restricted information on their
behaviour. We made acoustic records of diel migrating jellyfish Periphylla
periphylla forming small, ephemeral groups at the upper fringe of an acoustic
scattering layer consisting of krill. Groups of P. periphylla were also
documented photographically using a remotely operated vehicle (ROV). Although the
adaptive value of group formation remains speculative, we clearly demonstrate the
ability of these jellyfishes to locate and team up with each other.