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Clingfishes are typically small fish, with most species less than 7 cm (2.8 in) in length, [28] and the smallest no more than 1.5 cm (0.6 in). [1] Only a few species can surpass 12 cm (4.7 in) in length and the largest, Chorisochismus dentex and Sicyases sanguineus , both reach up to 30 cm (12 in).
This fish is able to survive in oxbow lakes with dissolved oxygen as low as 0.5 ppm. In the wetlands of the Araguaia , one of the most important refuges for this species, it is the top predator in such lakes during the low-water season, when the lakes are isolated from the rivers and oxygen levels drop, rendering its prey lethargic and vulnerable.
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 ...
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 ...
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.
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A flower, also known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). Flowers consist of a combination of vegetative organs – sepals that enclose and protect the developing flower. These petals attract pollinators, and reproductive organs that produce gametophytes, which in ...
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.