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Plants & Animals Aug 4, 2026

Repetitive genomic regions link structural genomic variation to species diversity

Researchers sequenced the genomes of three medaka, or Japanese rice fish, a common model organism used in biological research, nearly 10 and 20 years ago. While sequencing the genomes was relatively straightforward, assembling ...

Molecular & Computational biology Aug 4, 2026

Antibiotic-resistant seafood bacterium found in Vietnam fish farming waters near popular island destination

A bacterium linked to seafood-related illness and capable of resisting multiple antibiotics has been detected in fish-farming waters near Cat Ba Island, Vietnam, according to a new study highlighting the importance of monitoring ...

Plants & Animals Aug 4, 2026

Aquarium sends shark eggs to bolster wild populations

Shedd Aquarium has sent four zebra shark eggs to contribute to a conservation effort for the endangered species, marking the Chicago nonprofit's first delivery to Raja Ampat, Indonesia. As a founding partner of ReShark, Shedd ...

Ecology Aug 4, 2026

Tiger shark caught off Massachusetts could be sign of warming waters

Nate Rouette and his brother Nelson went shark fishing on Cape Cod hoping for an exciting catch, but were shocked by what they reeled in—a tropical species of shark with a reputation for eating everything it can swallow.

Plants & Animals Aug 3, 2026

Higher river discharge helps young salmon

Low river discharge reduces the likelihood of young Atlantic salmon reaching the North Sea. Fewer salmon reach the Haringvliet sluices, and their passage takes longer, making them more likely to fall prey to predators. Using ...

Evolution Aug 3, 2026

New museum find shows nature can't stop inventing seahorses

At first glance, it looks exactly like a seahorse. It has the same horse-shaped head tilted down from the body, the same curled, grasping tail and, in the males, a fully enclosed pouch for brooding the young.

Environment Aug 2, 2026

Climate change could dramatically reduce water flowing from the West's headwaters

The small mountain streams that feed many of the West's rivers may face a much drier future. A new study led by NAU researchers found that groundwater-fed streamflow, known as base flow, has been steadily declining across ...

Environment Aug 2, 2026

Indigenous territory maintains ecological stability amid agricultural expansion in the Brazilian savanna

"An island of biodiversity in a sea of monoculture": This is how a recent study characterized the Pimentel Barbosa Indigenous Territory (TIPB), located in the northeastern part of Mato Grosso state in Brazil's Central-West ...

Ecology Jul 31, 2026

Fish pathogens once limited to Asia and US emerge in Brazilian farms

For the first time in Brazil, scientists have identified the presence of bacteria that cause columnaris disease, a serious disease in farmed fish intended for human consumption. Previously, different species of the genus ...

Biotechnology Jul 31, 2026

Smarter fish farms could cut electricity use and CO₂ while keeping fish safe

Recirculating aquaculture systems (RAS) are attracting growing attention as a sustainable aquaculture technology that can reduce water use, control rearing conditions and lower environmental impacts by filtering and reusing ...

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