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If we ignore the anthropogenic noises such as those made by ships and oil-rigs, and the natural noises made by waves and surf, earthquakes, calving icebergs, etc, there is still a considerable amount of noise, which emanates from the aquatic inver
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However, this sometimes causes some big “bloopers”. Such a blooper is the case regarding the swimming abilities of coral reef fish larvae.
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Electrical fields can also play a part in communication; and most aquatic creatures can also detect movement; this includes both plants and fishes (see Xray-mag.com #10 for
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There is one important common factor in the examples of marine life given above. They all have their prime existence in the water, i.e. at least partially below the surface.
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“Coral reefs are a major attraction for tourists in Florida,” said Max Teplitski, a microbiologist and an associate professor at UF’s Institute of Food and Agricultural Sciences.
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Research, published this week in the journal Nature Geosciences, pushes back the earliest appearance of photosynthesising organisms from 2.7 to 3.46 billion years ago.
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The blooming of toxic algae in the oceans and lakes is a familiar health risk and causes problems every summer, leading to increased costs for water cleaning, water consumption and the tourist industry.
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This may seem obvious to most (they had to get to our table somehow), but what may not be apparent is that the relentless pursuit of consumer-friendly fish product is having a massive impact on fish populations around the world.
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Researchers have known for years that juvenile fish use sound as a cue to find coral reefs.
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“Fish normally keep jellyfish in check through competition and predation but overfishing can destroy that balance.
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Researchers describe the bizarre "Swima worms" in Science journal.
The creatures, which the scientists say could be widespread in the deep sea, indicate the extent of biodiversity yet to be discovered in the oceans.
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"In nearly 500 million years of vertebrate evolution, and many thousands of vertebrate species living and dead, this is the only one known to have solved the fundamental optical problem faced by all eyes - how to make an image - using a mirror," s
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