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Sep. 10, 2021 —Scientists report a vampire fish attached to the body of an Amazonian thorny catfish. Very unusually, the candirus were attached close to the lateral bone plates, rather than the gills, where they ...
Jan. 4, 2023 —The number of fish species recorded in Madidi National Park and Natural Integrated Management Area (PNANMI), Bolivia has doubled to a staggering 333 species -- with as many as 35 species new to ...
Mar. 24, 2021 —Usually scaled, the skin of fish can also be naked or made up of bony plates. Researchers have reconstructed the evolution of the skin structures in fish, going back to the common ancestor, more than ...
2020年9月14日—A potential response of river fish to environmental changes is to colonize new habitats. But what happens when dams and weirs restrict their movement? And are native and alien species similarly ...
July 5, 2021 —Many fish species evolved parts of their fins into sharp, spiny, needle-like elements -- called fin spines -- that function to protect the fish against predators. Such spines have evolved ...
Sep. 2, 2020 —The results show that long-term exposure to ultraviolet (UV) filters -- including avobenzone, oxybenzone, and octocrylene -- is lethal for some organisms living in freshwater environments. One of the ...
June 8, 2022 —As the cherished rainforest in South America's Amazon River region continues to shrink, the river itself now presents evidence of other dangers: the overexploitation of freshwater ...
Jan. 27, 2022 —A new study finds that fish are far more likely to communicate with sound than generally ...
Mar. 15, 2021 —freshwat的栖息地er fish species are threatened by global warming, mainly due to rising water temperatures. A 3.2-degree Celsius increase in global mean temperature would threaten more than ...
July 25, 2022 —Larger fishes are more likely to experience oxygen deficiency in warming water than smaller species. The same applies to fish with large cells, note researchers. In addition, marine fishes are less ...