Fish
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Mangroves may not be the first thing that comes to mind when you think of a forest, but they're both incredible, unique ecosystems and serve as a structural and water-cleaning coastguard. These photos capture the wondrous, otherworldly ecosystems.
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Salmon are very much a cold-water fish, so they can get quite stressed when swimming up increasingly warm rivers to spawn. A new study shows that by installing "cooling stations" in those rivers, we could help the threatened fish make the trip.
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A new study has found that the contents of commercially produced extracts used to test for shellfish allergies differ widely between manufacturers. The researchers say the lack of standardization increases the risk of false negatives.
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As coral reefs become increasingly decimated, predatory fish have fewer places to hide when stalking prey. A new study now suggests they're adapting, by using other fish as mobile hunting blinds.
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Regular water-changes are essential to the wellbeing of aquarium fish, but the task sometimes gets missed, plus it can be hard to determine how much water should be replaced, and how often. That's where the automated StayrAI Rein system comes in.
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In a surprising first, researchers found that scalloped hammerhead sharks act like air-breathing marine mammals, holding their breath to stay warm when they deep-dive into cold water for food and making them vulnerable to humanity's deep-sea exploits.
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When designing fish-like underwater robots, you want a means of propulsion which is both energy-efficient and reasonably speedy. A new tail-flapping system may fit the bill, paving the way for wider usage of such bots.
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In the past two years, Israel's Steakholder Foods has brought us a lab-grown steak and lab-grown Wagyu beef morsels. Now, it has produced what it says are the world's first whole fillets of cultivated fish … grouper, to be precise.
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Mussels and other mollusks usually aren't thought of as being all that active. Recently, however, scientists have documented a water-squirting behavior in just one species, which is apparently using the action to give its larvae a fighting chance.
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Although salmon farms help take pressure off wild stocks, the penned fish do produce a lot of waste which is concentrated at one location. A new farm is exploring a solution to that problem, by raising salmon and kelp in adjacent pens.
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A new study has shown that foods that come from the ocean or freshwater, known as "blue foods," have the potential to address several important global issues, including nutritional deficits, disease, and climate change.
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The myth that goldfish have only a three-second memory might sell short their mental capabilities. A new study shows some fish can recognize themselves in a photo, meaning they join a pretty exclusive club of animals known to have some self-awareness.
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