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Caption: A female becomes a male: a transitioning bluehead wrasse (darker colouration) establishes dominance and begins courting females (yellow colouration).
,Functional sex change is widespread in marine fishes, appearing in 27 families.
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A new study by researchers from University of Tasmania and CSIRO in the Proceedings of the National Academy of Sciences journal shows how the global fishing fleet has doubled over the last 65 years, but the catch sizes (based on the amount
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The next time you come across the tiny fish going about their business at a coral reef, take a moment to contemplate their important role in the reef ecosystem.
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Reef fishes don't just rely on the coral reef environment to provide them with food. Food, in the form of plankton, also enter the reef environment due to ocean currents and tides; this forms another food source for reef fishes.
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The award ceremony was held at the Royal Lancaster Hotel London on Thursday 24 January 2019.
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Human activity has caused suspended sediment concentrations in tropical coastal waters to increase substantially over the past few decades.
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During their spawning aggregation, some groupers produce courtship-related sounds that are species specific.
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A study has confirmed that seals feeding on cod, herring and sprat in the Baltic Sea would not adversely affect the fish population, as much as man-made causes like climate change, nutrient load and fisheries would.
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The yelloweye rockfish, which lives in the coastal waters of Alaska, can live up to 120 years. Over its lifespan, they are known to accumulate toxic chemicals in their tissues.
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About 150 million years ago, during the Jurassic era, a bony fish species lived in the seas. It had teeth similar to the piranha, designed to slice through flesh.
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Researchers at The University of Western Australia (UWA) have discovered that although female guppies can mate with several males, they are selective over which male eventually fathers their offspring.
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The MSR has been the classic test for self-awareness since it was developed by Gordon Gallup in the 1970s in his work on chimpanzees.
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During a recent expedition to St. Paul’s Rocks, Atlantic Ocean, a distinctive and previously unknown species of Anthiadinae was collected at a depth of 120 m.
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Being exposed to light during the night can cause changes in the behaviour of guppies, according to a new study published in the Scientific Reports journal.
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An expedition to the Atacama Trench, one of the deepest places on earth, has yielded video footage of three new species of snailfish, as well as a specimen of one of them.
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Culverts have become a major part of our lives, allowing water to pass underneath a road, path, or some other structure.
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