Most jellyfish are “passive” feeders. This means that they float through the water eating whatever they happen to pass in the water and can fit in their mouths.
Giant jellyfish are being spotted along the Scottish coast.
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We know a lot about the potential negative effects of ocean acidification on marine creatures. But might some species actually benefit? The answer is yes, but this isn’t necessarily a good thing.
An Indo-Pacific Man-o-war, AKA bluebottle, washed up on a beach.
Copyright L Gershwin
In a changing climate, ocean populations sometimes rise and fall in unpredictable waves. Scientists, managers and fishers must make economically and ecologically sound decisions based on long-term outlooks.
Billions of small, jellyfish-like creatures known as “by-the-wind sailors” have washed ashore all along the west coast of North America this summer, from southern California to British Columbia. Images…
Even though a blue whale is much heavier than a tuna, the mammal consumes less energy per unit weight than the fish when they travel the same distance. For years, these sort of comparisons have dominated…