Ecology

A jellyfish smörgåsbord

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Science  18 Sep 2015:
Vol. 349, Issue 6254, pp. 1297-1298
DOI: 10.1126/science.349.6254.1297-c

Thick-billed murres modify their hunting strategies when diving for fish among jellyfish blooms

CREDIT: MILO BURCHAM /DESIGN PICS/GETTY IMAGES

Jellyfish blooms are a common feature in oceans around the world. Because jellyfish hunt for zooplankton, crustaceans, and other lower-trophic-level prey, such blooms might disrupt food chains and have a negative impact on other marine predators. Sato et al. attached video and data loggers to thick-billed murres (Uria lomvia), diving seabirds that hunt in the Bering Sea. The seabirds successfully adapted their diving and hunting to feed on fish shoaling among the tentacles of large jellyfish, which suggests that blooms could have a beneficial impact on some seabirds.

Biol. Lett. 10.1098/rsbl.2015.0358 (2015).

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