These tiny organisms play a huge role in fighting climate change, but they're under threat.
Hurricane Harvey set up a rare natural experiment to study the effects of fishing.
NOAA via Wikipedia
Hurricane Harvey destroyed the fishing infrastructure of Aransas Bay and reduced fishing by 80% over the following year. This removed humans from the trophic cascade and whole food webs changed.
Parasites do very well for themselves, which is why they are so common in the animal kingdom.
Mud blister worms make their homes in the shells of oysters and other shellfish, where they weaken their hosts.
Climate change is changing Antarctic krill habitat. The repercussions for the Southern Ocean food web are huge.
These grasshoppers, like many insects around the world, are declining.
Insect populations are falling as what they eat becomes more like iceberg lettuce and less like kale.
The presence of mayflies and stone flies indicates clean water is nearby.
Mayflies and stone flies are extremely vulnerable to water pollution, which has implications for the larger food chain.
It’s OK, I’m a filter feeder: Whale shark off Indonesia.
Media coverage of sharks often exaggerates risks to people, but more than 500 shark species have never been known to attack humans, and there's lots to learn about them.
Eastern quolls have been introduced in Booderee Nation Park as part of a rewilding project.
Rewilding is gaining popularity around the world, as a means to restore ecosystems to their ancient state. But just like Vegemite, Australian rewilding projects need to have a unique flavour.
Sharks eating seagrass? Sounds fishy, but the reality is that animals don't conform to the strict categories we try to place on their diets.
Not interested in your new favorite band.
An AC/DC-loving biologist tests the band's 1980 assertion that "rock 'n' roll ain't noise pollution." Turns out it can be – and the negative effects of noise can ripple through an ecosystem.
Copepod with eggs (blue). Copepods are typically just a few millimeters long, but are important food sources for small fish.
DNA sequencing is making it possible for scientists to identify thousands of species of zooplankton – drifting animals that are key links in ocean food webs.
A pelagic snail ensnares food with with a mucous web.
Linda Ianniello https://lindaiphotography.com
Biologists are finding new evidence that these ocean invertebrate grazers don't just ingest whatever they catch. They can actually be picky eaters – and their choices might influence ocean food webs.
Plastic trash on San Francisco’s Ocean Beach.
A new study shows that anchovies – key food for larger fish – are attracted to plastic trash because it smells like food. This suggests that toxic substances in plastic could move up through food chains.
A tank can give a good idea of what will happen out in the wild.
A new study suggests the benefits of a boost to marine plant growth from increased carbon dioxide will be cancelled out by the increased stress to fish species.