Fish

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Caranx (Fishbase)
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General

Portal

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

Jonathan Bird’s Blue World (Jonathan Bird Productions & Oceanic Research Group)
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)

Here Fishy Fishy (Biology4Kids)

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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.

  • Lodgers on manganese nodules: Sponges promote a...
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    on June 8, 2021 at 3:32 pm

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    on June 8, 2021 at 1:22 pm

    A new study shows that pharyngeal jaws enable at least one species of moray eel to feed on land.

  • Food scientists aim to make plant-based protein...
    on June 4, 2021 at 5:54 pm

    As meat-eating continues to increase around the world, food scientists are focusing on ways to create healthier, better-tasting and more sustainable plant-based protein products that mimic meat, fish, milk, cheese and eggs.


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.

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    on June 6, 2021 at 8:34 am

    A black box from a ship loaded with chemical and plastic that is sinking off Sri Lanka has been located, officials said Sunday, as investigators probe what caused the vessel to catch fire.

  • Biden administration will restore key...
    on June 5, 2021 at 9:09 am

    The administration of President Joe Biden on Friday announced it would restore protections under the Endangered Species Act, a law credited with saving iconic animals like the gray wolf and bald eagle, which were loosened by his predecessor Donald Trump.

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    on June 5, 2021 at 8:57 am

    After five years of sniffing out land mines and unexploded ordnance in Cambodia, Magawa is retiring.

  • Fungus creates a fast track for carbon
    on June 4, 2021 at 9:21 pm

    Tiny algae in Earth's oceans and lakes take in sunlight and carbon dioxide and turn them into sugars that sustain the rest of the aquatic food web, gobbling up about as much carbon as all the world's trees and plants combined.