There are 12 species of bichirs belonging to the Polypterus ... You ideally want to keep an adult Oscar with an 8-to-10-inch silver arowana and let the fish grow from there. In some cases, a ...

Species numbers are clearly declining The findings of the study are unequivocal and leave no doubt as to the devastating impact that humans are having on biodiversity worldwide. "We analyzed the ...

Apr. 1, 2025 — A group of diatom species belonging to the Nitzschia genus, gave up on photosynthesis and now get their carbon straight from their environment, thanks to a bacterial gene picked ...

Apr. 1, 2025 — Scientists have released new and more accurate genome sequences for five species of duckweed. Their research reveals the specific genes responsible for some of the plant's most ...

a prejudice or bias in favour of the interests of members of one's own species and against those of members of other species. Speciesism is often condemned as the same sort of bigotry as racism or ...

My answer changes every day. Because there are so many steps along the way to de-extinction, there is no particular species that is an ideal candidate for being brought back to life. The best ...

From an Australian frog that swallowed its own eggs to woolly mammoths, scientists are getting ever closer to being able to bring long-lost species back from the dead. Millions of years ago ...

De-extinction, the science of resurrecting extinct species, is progressing in leaps and bounds. Here are six creatures that researchers could bring back to life — and one they've already revived.

Invasive species are non-native species that have been introduced to an ecosystem and have established there causing ecological damage. The study of invasive species involves questions about the ...

Invasive alien species (IAS) are animals, plants, or other organisms that are introduced into places outside of their natural range, negatively impacting native biodiversity and in some cases ...

This is the only penguin species found north of the equator and in the Galápagos. Penguins are threatened by pollution, bycatch and climate change. Introduced species, such as dogs, carry diseases ...

There are an estimated 8.7 million organisms alive today, of which only around 1.2 million have been recorded, including 950,000 animal species. The estimates are based on trends in biodiversity data ...