Tag Archives: fish

Marine fish won an evolutionary lottery 66 million years ago

Why do the Earth’s oceans contain such a staggering diversity of fish of so many different sizes, shapes, colors and ecologies? The answer, biologists report, dates back 66 million years ago, when a six-mile-wide asteroid crashed to Earth, wiping out … Continue reading

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First an alga, then a squid, enigmatic fossil is actually a fish

A fossil slab discovered in Kansas 70 years ago and twice misidentified — first as a green alga and then as a cephalopod — has been reinterpreted as the preserved remains of a large cartilaginous fish, the group that includes … Continue reading

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Mammals share mechanisms controlling the heart with a 400 million-year-old fish

Primitive air-breathing fish, whose direct ancestors first appeared around 400 million years ago, show mechanisms controlling the heart which were previously considered to be found only in mammals — according to a new study. Paleontology News — ScienceDaily

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Child aids paleontologists in discovery of new ancient fish species

The fossil, called Candelarhynchus padillai, is approximately 90 million years old, and has no modern relatives. Paleontology News — ScienceDaily

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Shaking up the fish household tree: ‘Dwelling fossil’ not as previous as we thought

Polypterids are bizarre and puzzling African fish which have perplexed biologists since they have been found throughout Napoleon’s expedition to Egypt within the late 1700s. Paleontology News — ScienceDaily

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Evaluating the jaws of porcupine fish reveals three new species

Researchers in contrast fossil porcupine fish jaws and tooth plates collected on expeditions to Panama, Colombia, Venezuela and Brazil with these from museum specimens and trendy porcupine fish, revealing three new species. Paleontology News — ScienceDaily

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Giant-mouthed fish was prime predator after mass extinction

The meals chains recovered extra quickly than beforehand assumed after Earth’s most devastating mass extinction occasion about 252 million years in the past as demonstrated by the fossilized cranium of a giant predatory fish referred to as Birgeria americana found … Continue reading

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Measurement not necessary for fish within the largest mass extinction of all time

Understanding trendy biodiversity and extinction threats is essential. It’s generally assumed that being giant contributes to vulnerability throughout extinction crises. Nevertheless, researchers have discovered that measurement performed no position within the extinction of fish in the course of the largest … Continue reading

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Fossil holds new insights into how fish advanced onto land

The fossil of an early snake-like animal — referred to as Lethiscus stocki — has stored its evolutionary secrets and techniques for the final 340-million years. Now, a world group of researchers has revealed new insights into the traditional Scottish … Continue reading

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Historic southern China fish might have advanced previous to the ‘Age of Fish’

An historic fish species with uncommon scales and tooth from the Kuanti Formation in southern China might have advanced previous to the ‘Age of Fish’, based on a brand new research. Paleontology News — ScienceDaily

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