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A new DNA-based study, led by scientists at the American Museum of Natural History, the City University of New York, and Fordham University, has managed to shed some light on the subject.
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The splitfin flashlight fish (Anomalops katoptron) produces its own bioluminescent light using symbiotic bacteria.
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Scientists from the University of Exeter, University of York and University of the West Indies, St Augustine have discovered that Trinidadian guppies (Poecilia reticulata) form stronger relationships if they thought that there are predators
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This technology involves the use of environmental DNA metabarcoding, a method which identifies fish species by collecting and analysing the DNA released by fish in the seawater (called environmental DNA or eDNA).
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This was what the scientists at the University of Bayreuth in Germany discovered when they observed the behaviour of some wild-caught fish recently.
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A University of Washington study arrived at this finding after analysing the reproductive patterns of the three-spine stickleback for more than a century in Alaska's Bristol Bay region.
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Using a mini-remotely operated vehicle to conduct the search, the researchers only hit paydirt after several days. Near Western Australia's Recherche Archipelago, the first ever field sightings were made.
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In a study that involved setting up different sized "buffets" of algae off the island of Mo'orea in French Polynesia, the research team also found that the fish are willing to move past this fear, straying far from their sheltered coral refuge and
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For this fish species, it is the males that care for the eggs. They are also responsible for constructing the nest that attracts the females to mate with them.
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Within the shallow salty lakes of the Bahama's San Salvador Island lives the Bahaman pupfish.
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Most adult barramundi live in freshwater rivers but need ocean water to hatch their eggs.
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In fact, it is up to 8,000 times more resistant to such pollution than other fish species, due to its extremely high levels of genetic variation—higher than any other vertebrate—measured so far.
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Based on their research, which covered more than 200 coral reef systems in the western Indian Ocean, the orange-lined triggerfish (Balistapus undulatus) was usually found among corals and algae that build reef systems.
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However, biologists at the University of Tübingen’s Institute of Evolution and Ecology have discovered that some fish can produce their own red light.
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The study sheds new light on how rockfish disperse through the ocean and “recruit,” or take up residence in nearshore habitats.
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Kenneth Poss, James B Duke professor of cell biology at Duke University, said that the connection can be formed in as fast as two months.
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