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Gobiesocidae. Clingfishes are fishes of the family Gobiesocidae, the only family in the order Gobiesociformes. These fairly small to very small fishes are widespread in tropical and temperate regions, mostly near the coast, but a few species live in deeper seas or fresh water. Most species shelter in shallow reefs or seagrass beds, clinging to ...
Piranha. A piranha or piraña (/ pɪˈrɑːnjəˌ - ræn /, or / pɪˈrɑːnə /; Portuguese: [piˈɾɐ̃ɲɐ], Spanish: [piˈɾaɲa]) is any of a number of freshwater fish species in the family Serrasalmidae, [1] or the subfamily Serrasalminae within the tetra family, Characidae [2] in order Characiformes. These fish inhabit South American ...
Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many ways, especially the difference in levels of osmolarity. To survive in fresh water, fish need a range of ...
Sarcopterygii (/ ˌ s ɑːr k ɒ p t ə ˈ r ɪ dʒ i. aɪ /; from Ancient Greek σάρξ (sárx) 'flesh' and πτέρυξ (ptérux) 'wing, fin') — sometimes considered synonymous with Crossopterygii (from Ancient Greek κροσσός (krossós) 'fringe') — is a clade (traditionally a class or subclass) of vertebrate animals which includes a group of bony fish commonly referred to as lobe ...
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The dams would have changed the flow of the rivers, eliminating the slow, shallow areas the fish need for spawning. Scientists worldwide became involved in saving the habitat for these lungfish, citing their evolutionary importance. [43] As of January 2022, the world's oldest living aquarium fish is a 90-year-old named Methuselah.
Salmon is a popular food fish. Classified as an oily fish, [108] salmon is considered to be healthy due to the fish's high protein, high omega-3 fatty acids, and high vitamin D [109] content. Salmon is also a source of cholesterol, with a range of 23–214 mg/100 g depending on the species. [110]
A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.Fish can be grouped into the more basal jawless fish and the more common jawed fish, the latter including all living cartilaginous and bony fish, as well as the extinct placoderms and acanthodians.