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

Introduction

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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Participation

Education

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.

  • Warming seas might also look less colorful to...
    on April 22, 2021 at 12:01 am

    Climate change is driving some fish into cooler, deeper waters. Now they may be faced with another challenge: how to make sense of a world drained of color. Researchers report that even small increases in depth could make it harder for fish to discern the hues they use to find food, friends and family. They are trying to predict which species will be most impacted, and whether they'll be able to adapt.

  • New evidence shows important seabird nutrients...
    on April 21, 2021 at 4:46 pm

    Scientists have provided the first evidence to show that eradicating rats from tropical islands effects not just the biodiversity on the islands, but also the fragile coral seas that surround them.

  • Unexpected presence of great white sharks in Gulf...
    on April 21, 2021 at 4:45 pm

    A new study suggests the white shark population for the eastern north Pacific, especially those listed in the Gulf of California, might be underestimated. Researchers found that the mortality rates for these white sharks might be underestimated as well, as an illicit fishery for the species was uncovered in the Gulf of California, suggesting that fishers were killing many more white sharks than has been previously understood.

  • UK waters are home again to the bluefin tuna
    on April 19, 2021 at 3:00 pm

    Atlantic bluefin tuna have returned to UK waters and can once again be seen during the summer and autumn months.

  • Environmental protection could benefit from...
    on April 15, 2021 at 5:32 pm

    Scientists have conducted a study that highlights the importance of studying a full range of organisms when measuring the impact of environmental change - from tiny bacteria, to mighty whales.


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.

  • Once again, volcanic Caribbean island looks to...
    on April 17, 2021 at 9:48 am

    A group of nervous fish sellers got very close to La Soufrière, the volcano on the Caribbean island of St. Vincent, on the morning of May 7, 1902.

  • 'Godzilla' shark discovered in New Mexico gets...
    on April 16, 2021 at 9:09 pm

    The 300-million-year-old shark's teeth were the first sign that it might be a distinct species.

  • New analysis finds Spotted Owls harmed by...
    on April 16, 2021 at 8:52 pm

    Are forest fires a threat to the imperiled Spotted Owl? For years, different groups of scientists assumed so, but a new study turns this assumption on its head. Researchers from the John Muir Project, Pennsylvania State University, and Wild Nature Institute found that these previous studies consistently had a serious methodological flaw: they failed to take into account the impact of post-fire logging on Spotted Owls.

  • Bottom trawling harms the ocean—and the climate
    on April 16, 2021 at 5:10 pm

    The destructive effects of ocean-bottom trawling are easy enough to imagine from any basic description of the practice. Heavy nets 100 yards wide, equipped with weighted rollers and steel doors, are dragged across the seafloor to scoop up cod, halibut, flounder, rockfish, shrimp and other deep-dwelling prey.

  • How to save beaches and coastlines from climate...
    on April 16, 2021 at 5:00 pm

    The frequency of natural disasters has soared in recent decades. Total damage topped $210 billion worldwide in 2020. With climate change, the costs attributed to coastal storms will increase dramatically.