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Rank Animal Scientific name Maximum length () Image Habitat 1: Whale shark: Rhincodon typus: 12.65 [1]: 2: Basking shark: Cetorhinus maximus: 12.27 [2]: 3: Giant oarfish
This freshwater fish from the Congo River basin has the longest name of any extant fish. [92] Novosphingobium chloroacetimidivorans Chen et al. 2014 - family Sphingomonadaceae. A Gram-negative, chloroacetamide-degrading and non-spore-forming bacterium which was isolated from activated sludge from a wastewater treatment plant in Kunshan City ...
Other common names include Pacific oarfish, king of herrings, ribbonfish, and streamer fish. R. glesne is the world's longest ray-finned fish. Its shape is ribbon-like, narrow laterally, with a dorsal fin along its entire length, stubby pectoral fins, and long, oar-shaped pelvic fins, from which its common name is derived. [3]
One of these, the giant oarfish (Regalecus glesne), is the longest bony fish alive, growing up to about 8 m (26 ft) in length. [3] The common name oarfish is thought to allude either to their highly compressed and elongated bodies, or to the now discredited belief that the fish "row" themselves through the water with their pelvic fins. [4]
A large alligator gar, the largest freshwater fish in North America The largest of the gar, and the largest entirely freshwater fish in North America, is the alligator gar (Atractosteus spatula). The largest gar ever known, caught in Louisiana in 1925, was 3 m (9.8 ft) in length and weighed 137 kg (302 lb). [1] Anglerfish (Lophiiformes)
The long-time public perception of alligator gar as trash fish or a nuisance species has changed, with increasing national and international attention on the species as a sport fish, which some have attributed to features on popular television shows. Oklahoma, Texas, Arkansas, Mississippi, and Louisiana allow regulated sport fishing of ...
A 1000-kg, 4.17-m-long beluga fish from the Volga River (National Museum of Tatarstan, Kazan, Russia) Among all extant bony fishes, the beluga sturgeon rivals the ocean sunfish (Mola sp.) as the most massive fish and is the second-longest bony fish after the giant oarfish (Regalecus glesne). It is the largest freshwater fish in the world.
The diet of the arapaima consists of fish, crustaceans, fruits, seeds, insects, and small land animals that walk near the shore. [18] The fish is an air breather, using its labyrinth organ, which is rich in blood vessels and opens into the fish's mouth, [19] an advantage in oxygen-deprived water that is often found in the Amazon River.