Fish

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Caranx (Fishbase)
Caranx (Wikipedia)

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General

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FishBase (R. Froese & D. Pauly)
Fish Portal (Wikipeda)

Dictionary

fish : any of numerous cold-blooded strictly aquatic craniate vertebrates that include the bony fishes and usually the cartilaginous and jawless fishes and that have typically an elongated somewhat spindle-shaped body terminating in a broad caudal (see caudal 2) fin, limbs in the form of fins when present at all, and a 2-chambered heart by which blood is sent through thoracic gills to be oxygenated — Webster

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Encyclopedia

Fish are the gill-bearing aquatic craniate animals that lack limbs with digits. They form a sister group to the tunicates, together forming the olfactores. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Tetrapods emerged within lobe-finned fishes, so cladistically they are fish as well. However, traditionally fish are rendered paraphyletic by excluding the tetrapods (i.e., the amphibians, reptiles, birds and mammals which all descended from within the same ancestry). Because in this manner the term “fish” is defined negatively as a paraphyletic group, it is not considered a formal taxonomic grouping in systematic biology. The traditional term pisces (also ichthyes) is considered a typological, but not a phylogenetic classification. — Wikipedia

Encyclopædia Britannica

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Fish FAQs (Northeast Fisheries Science Center, NOAA Fisheries)

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Science

Ichthyology, also known as fish science, is the branch of zoology devoted to the study of fish. This includes bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). While a large number of species have been discovered, approximately 250 new species are officially described by science each year. According to FishBase, 33,400 species of fish had been described by October 2016. — Wikipedia

Encyclopædia Britannica





Flathead catfish (Fishbase)
Flathead catfish (Wikipedia)



What This Walking Fish Can Teach Us About Evolution (National Geographic)

Preservation




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National Aquarium (Baltimore, MD)
National Aquarium (Baltimore)

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Seafood Watch (Monterey Bay Aquarium)


Will the ocean ever run out of fish? (Ayana Elizabeth Johnson and Jennifer Jacquet, TED-Ed)

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Fish News -- ScienceDaily All about fish. Current research in marine biology including fish habitats, aquaculture, speciation, deep sea fish and more.

  • Ancient feces reveal how 'marsh diet' left Bronze...
    on August 16, 2019 at 1:27 am

    'Coprolites' from the Must Farm archaeological excavation in East Anglia, UK, shows the prehistoric inhabitants were infected by parasitic worms that can be spread by eating raw fish, frogs and shellfish.

  • Enriched environment in aquaculture enhances the...
    on August 15, 2019 at 3:37 pm

    A new study has revealed that enriched rearing of juvenile fish significantly enhances the survival of fish from bacterial infection commonly seen in rearing conditions. That may also improve the post release survival of the fish after stocking into the wild.

  • Helping threatened coho salmon could generate...
    on August 14, 2019 at 6:45 pm

    A new study provides evidence that increasing the abundance of a threatened or endangered species can deliver large benefits to the citizens of the Pacific Northwest.

  • Rapid evolution: New findings on its molecular...
    on August 14, 2019 at 2:52 pm

    Evolutionary biologists have analyzed the role of microRNAs in the evolution of new species.

  • DNA tests of UK waters could help catch invasive...
    on August 13, 2019 at 2:23 pm

    Scientists have discovered several artificially introduced species in the coastal waters of southern England, using a technique that could help the early detection of non-native species if adopted more widely.


Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Arctic sea ice loaded with microplastics
    on August 16, 2019 at 1:57 pm

    At first glance, it looks like hard candy laced with flecks of fake fruit, or a third grader's art project confected from recycled debris.

  • Study describes the Trans-Saharan Seaway in Mali,...
    on August 16, 2019 at 1:24 pm

    Leif Tapanila, Idaho State University geosciences professor and director of the Idaho Museum of Natural History, is a co-author on a scientific paper published this summer in the Bulletin of the American Museum of Natural History that describes the Trans-Saharan Seaway in Mali, Africa, and the strange creatures that existed there 50 to 100 million years ago.

  • How plants can tell time even without a brain
    on August 16, 2019 at 11:40 am

    Anyone who has traveled across multiple time zones and suffered jet lag will understand just how powerful our biological clocks are. In fact, every cell in the human body has its own molecular clock, which is capable of generating a daily rise and fall in the number of many proteins the body produces over a 24-hour cycle. The brain contains a master clock that keeps the rest of the body in sync, using light signals from the eyes to keep in time with environment.

  • App allows citizen scientists to contribute to...
    on August 16, 2019 at 11:20 am

    When spotting a butterfly, a common reaction may be to whip out a phone and snap a photo. A team of University of Maine researchers is hoping another response could be to use the phone to log details about areas where butterflies are likely to be found.

  • Global meet to mull trade rules to protect...
    on August 16, 2019 at 6:50 am

    Specialists will meet in Geneva from Saturday to try to tighten rules on trade in elephant ivory, rhino horns and other endangered animal and plant species amid growing alarm over accelerating extinctions.