Scientists found fish with body plates, bumpy lips, strong teeth in rivers and discovered new species: Buckup’s whiptail catfish, study said and photos show.

Critical milestone for Brazil’s largest potash project is a strategic advancement toward domestic potash production for the Brazilian agriculture market MANAUS, Brazil, May 22, 2025 (GLOBE ...

MANAUS, Brazil, Jan. 28, 2025 (GLOBE NEWSWIRE) -- Brazil Potash Corp. (“Brazil Potash” or the “Company”) (NYSE-American: GRO), a company developing and constructing the largest potash ...

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Scientists, divers found spiky black fish with “forked” teeth in Xingu River and discovered new species: night armored catfish, study said.

Spider with red bristles among four new species of colorful tarantulas discovered from natural areas across forests and parks of Brazil.

Which species are keystones? Given how important they are, you might be surprised at which species actually qualify for keystone status.

The fact that keystone species are context-dependent and that they vary in space and time is “missed in short-term studies,” Menge said. Still, Srivastava isn’t ready to discard the concept.

Ecologists today are working to refine what “keystone species” means and advocate for a more discerning application. With a more rigorous identification of keystone species, policymakers can better ...

MASSACHUSETTS: Keystone species, which are thought to exist in low abundance in microbial communities, are thought to have a disproportionate impact on community stability. It can be difficult to ...