Tag: fossil fish
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Tiny fossil fish rewrite freshwater evolution after 70 million years hidden
A tiny fish with a big impact Researchers have unearthed a 4-centimeter-long skeleton from the Late Cretaceous that is rewriting our understanding of freshwater evolution. Named Acronichthys maccognoi, this diminutive fossil fish spent tens of millions of years hidden in rock before emerging to illuminate the deep history of otophysans, a major supergroup of bony…
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Tiny fossil fish rewrites freshwater evolution after 70 million-year mystery
New fossil sheds light on early freshwater fish evolution A remarkably small 4 cm fossil fish, hidden for 70 million years, is reshaping the story of how freshwater ecosystems evolved. Discovered in modern Canada and detailed in the reputable journal Science, the specimen has been named Acronichthys maccognoi. The fossil, dating to the Late Cretaceous…
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Fossilized Ear Bones Rewrite Freshwater Fish History
Weberian Ear Bones Rewrite Freshwater Fish Origins For millions of years, freshwater fish have wowed scientists with their remarkable hearing abilities. Central to this capability is the Weberian apparatus, a set of small, bone-based connectors that transfers sound from an air-bladder system to the inner ear. In two-thirds of today’s freshwater species, including ubiquitous catfish…