fish

A fish is any member of a paraphyletic group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups. Most fish are ectothermic ("cold-blooded"), allowing their body temperatures to vary as ambient temperatures change, though some of the large active swimmers like white shark and tuna can hold a higher core temperature.[1][2] Fish are abundant in most bodies of water. They can be found in nearly all aquatic environments, from high mountain streams (e.g., char and gudgeon) to the abyssal and even hadal depths of the deepest oceans (e.g., gulpers and anglerfish). At 32,000 species, fish exhibit greater species diversity than any other group of vertebrates.[3]

For more information about fish check the Wikipedia article here

ZME Science posts about fish

Did you know there’s a fish that has human teeth? The sheepshead fish is one of a kind

Fri, Mar 22, 2013

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We’ve been used to seeing all kinds of wacky, dorky, crazy animals in the wild. Some are scary, some are plain, some are down right amazing. The sheepshead fish makes no exception boasting some incredible dentures that bears an uncanny resemblance to those of humans, including incisors and molars. The fish’s cousins are no less [...]

This fish likes to play rough: the male has four hooks on its genitalia

Fri, Sep 28, 2012

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Biologists have found a new species of fresh water fish east-central Mexican waters, and what they discovered was more than they bargained for. Apparently, to fight off the female’s selective reproduction blocking mechanism, the male has evolved an… interesting, let’s say, penetration mechanism of its self – a four hook genitalia. No, this is not a [...]

Seagrass on ocean coasts can store twice as much carbon as tropical rainforests, yet face destruction

Tue, May 22, 2012

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A new research from a team of international marine geoscientists has found that seagrass meadows, found in coastal regions, can store up to twice as much carbon as temperate or tropical forests. The scientists involved in the study, thus, believe that seagrasses can potentially become a viable solution to climate change, if scaled and preserved [...]

Ocean life threatened by mass extinction

Tue, Jun 21, 2011

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Climate change and over-fishing are held responsible for the swift collapse of coral reefs and the propagation of mass extinction among marine life. According to the International Programme on the State of the Ocean (IPSO), which presented the study this Tuesday to the U.N., the Earth is faced with its biggest spate of mass extinctions [...]

No, what you’re seeing isn’t a road

Thu, Sep 16, 2010

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When I saw this picture, it was morning, my eyes hadn’t opened up quite yet, and I thought “what’s so special of a picture of a road?”. But then it hit me. It wasn’t a road. It’s a Louisiana waterway literally covered with dead fish, crabs, stingray, eel, and there have been reports of even [...]

Photosynthesis – not just for plants anymore

Tue, May 11, 2010

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As any fourth grader will tell you, photosynthesis is (in layman terms), the process through which plants (and bacteria, algae, etc) get the sugars and other organic compounds they need using energy from sunlight. However, during last week’s synthetic biology conference in Boston, a biologist from Harvard took things to a whole new level, presenting [...]

100% of fish in the US found contaminated with Mercury

Thu, Mar 4, 2010

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The latest study conducted by the U.S. Geological Survey (USGS) definitely poses a few question marks, to say the least; the results were shocking: after testing fish from 291 freshwater streams from the US, all the fish were contaminated with mercury. “This study shows just how widespread mercury pollution has become in our air, watersheds [...]

Amazingly long fish filmed

Mon, Feb 8, 2010

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Mark Benfield from Louisiana State University, Baton Rouge was undertaking a survey when he spotted this amazing oarfish at about 10 meters long. The fish is one of the longest in the world, and it’s general aspect resembles that of a serpent, so it’s possible it lies at the basis of some sea serpent myths. [...]

9 amazing displays of fossil art

Sat, Oct 25, 2008

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Art is a relative term, especially in these modern times. In its most accepted term, art is the deliberate process of arranging certain elements in such a way that appeals to the senses, trying to achieve beauty. But what these elements are and how they are arranged is up to the artist. So it shouldn’t [...]

Fish that communicate by getting red

Wed, Sep 24, 2008

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Most fish can’t even recognize the color red, the exception of them being some deep sea fish, yet Enneapterygius pusillus found a really interesting way of communicating. It literally glows in a deep red color, signaling different forms of intent. According to a study conducted in 2008 in September, at least 32 species of reef [...]

Robofish work together

Thu, Jun 12, 2008

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Kristi Morgansen, an aeronautics and astronautics engineer at the University of Washington presented the results of these amazing robofish. These new robots that feature tails and fins passed the test with flying colours.What makes it so amazing? Well, unlike most robots which receive instructions from a scientist or satellite, Robofish (as they are called) rely [...]

Crawling, not swimming fish discovered

Fri, Apr 4, 2008

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A University of Washington fish expert claims to have discovered a whole new species of fish, that would rather crawl into crevices than swim, and that may be able to see in the same way that humans do. Well this is certainly something unexpected, and there is no species that does the same kind of [...]

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