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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 ...
Manatees (/ ˈ m æ n ə t iː z /, family Trichechidae, genus Trichechus) are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows.There are three accepted living species of Trichechidae, representing three of the four living species in the order Sirenia: the Amazonian manatee (Trichechus inunguis), the West Indian manatee (Trichechus manatus), and the West ...
Habitat Abyssobrotula galatheae: The world's deepest living fish, Abyssobrotula galatheae, a species of cusk eel, lives in the Puerto Rico Trench at a depth of 8,372 meters (27,467 ft). [23] [25] Due to the extreme pressure, this appears to be around the theoretical maximum depth possible for fish. [26] [27] Stone loach
Essential Fish Habitat (EFH) was defined by the U.S. Congress in the 1996 amendments to the Magnuson-Stevens Fishery Conservation and Management Act, or Magnuson-Stevens Act, as "those waters and substrate necessary to fish for spawning, breeding, feeding or growth to maturity." [1] Implementing regulations clarified that waters include all ...
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.
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 ...
The Engineering Design and Analysis Laboratory Habitat was a horizontal cylinder 2.6 m high, 3.3 m long and weighing 14 tonnes was built by students of the Engineering Design and Analysis Laboratory in the US at a cost of $20,000 [20] or $187,000 in today's currency. From 26 April 1968, four students spent 48 hours and 6 minutes in this habitat ...
The Irrawaddy dolphin's colour is grey to dark slate blue, paler underneath, without a distinctive pattern. The dorsal fin is small and rounded behind the middle of the back. The forehead is high and rounded; the beak is lacking. The front of its snout is blunt. The flippers are broad and rounded.