Reference Terms
from Wikipedia, the free encyclopedia
Perch
Perca is the genus of fish referred to as perch or yellow perch, a group of freshwater fish belonging to the family Percidae.
Note: The above text is excerpted from the Wikipedia article "Perch", which has been released under the GNU Free Documentation License.
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Plants & Animals News
May 14, 2025
May 14, 2025 — The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...
May 14, 2025 — The northern white rhinoceros is one of the rarest animals on Earth, with just two females left and no natural way for the species to reproduce. Now, scientists have mapped the entire genome of a ...
May 14, 2025 — Archaeopteryx is the fossil that clearly demonstrated Darwin's views. It's the oldest known fossil bird, and it helps show that all birds -- including the ones alive today -- emerged from dinosaurs. ...
May 13, 2025 — Palaeontologists have discovered a remarkable new 506-million-year-old predator from the Burgess Shale of Canada. Mosura fentoni was about the size of your index finger and had three eyes, spiny jointed claws, a circular mouth lined with teeth and a ...
Latest Headlines
updated 12:56 pm ET
May 14, 2025 — Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South ...
May 13, 2025 — Scientists confirm CT scanning doesn't interfere with natural decomposition processes, opening new windows into understanding how fossils ...
May 14, 2025 — An international team of researchers has discovered saarvienin A, a new type of glycopeptide antibiotic. Their findings introduce a compound with strong activity against highly resistant bacterial ...
May 14, 2025 — When biting into a chili pepper, you expect a fiery sensation on your tongue. This spiciness is detected because of capsaicinoid compounds. But for some peppers, despite high levels of capsaicinoids, ...
May 14, 2025 — Using a new fluorescent mouse model with advanced imaging techniques, researchers have successfully visualized how musculoskeletal components are ...
May 14, 2025 — With coral reefs in crisis due to climate change, scientists have engineered a bio-ink that could help promote coral larvae settlement and restore these underwater ecosystems before it's too late. ...
May 13, 2025 — Sumatran orangutan mothers differ from one another in how they behave with and take care of their infants and how flexibly they adjust their mothering behaviors as their infants grow. Whilst mothers ...
May 12, 2025 — A team of researchers investigated a sequence of coastal dunes of different ages (from 0-700,000 years old) in Cooloola National Park near Rainbow ...
May 13, 2025 — A new study shows that an unassuming plant has some very unusual family ...
May 13, 2025 — Fungi are considered a promising source of biodegradable materials. Researchers have developed a new material based on a fungal mycelium and its own extracellular matrix. This gives the biomaterial ...