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The Anguillidae are a family of ray-finned fish that contains the freshwater eels.Except from the genus Neoanguilla, with the only known species Neoanguilla nepalensis from Nepal, [5] all the extant species and six subspecies in this family are in the genus Anguilla, and are elongated fish of snake-like bodies, with long dorsal, caudal and anal fins forming a continuous fringe.
The American eel (Anguilla rostrata) is a facultative catadromous fish found on the eastern coast of North America. Freshwater eels are fish belonging to the elopomorph superorder, a group of phylogenetically ancient teleosts. [2] The American eel has a slender, supple, snake-like body that is covered with a mucus layer, which makes the eel ...
The European conger is the heaviest of all eels. Eels are elongated fish, ranging in length from 5 cm (2 in) in the one-jawed eel (Monognathus ahlstromi) to 4 m (13 ft) in the slender giant moray. [7] Adults range in weight from 30 g (1 oz) to well over 25 kg (55 lb). They possess no pelvic fins, and many species also lack pectoral fins.
The Asian swamp eel (Monopterus albus), also known as rice eel, ricefield eel, rice paddy eel[3] or white rice-field eel, [1] is a commercially important air-breathing species of fish in the family Synbranchidae. It occurs in East and Southeast Asia, where it is commonly sold and eaten throughout the region. It has been introduced to two areas ...
Zig-zag eel. The zig-zag eel (Mastacembelus armatus Scopoli, 1777[3]), also known as the Baim[4], tire-track, tire-track spiny- or marbled spiny eel, [2] is a species of freshwater ray-finned fish in the family Mastacembelidae. It is native to the riverine systems of the Indian Subcontinent (India, Bangladesh, Pakistan, Nepal), Sri Lanka ...
The moray eel can be found in both fresh and saltwater habitats. The vast majority of species are strictly marine, never entering freshwater. Of the few species known to live in freshwater, the most well-known is Gymnothorax polyuranodon. [24] [25] Echidna nebulosa occupying a live coral reef, located in Sabang, Philippines
Eel life history. Eels are any of several long, thin, bony fishes of the order Anguilliformes. They have a catadromous life cycle, that is: at different stages of development migrating between inland waterways and the deep ocean. Because fishermen never caught anything they recognized as young eels, the life cycle of the eel was long a mystery.
European eels are normally around 45–65 centimetres (18–26 in) and rarely reach more than 1.0 metre (3 ft 3 in), but can reach a length of up to 1.33 metres (4 ft 4 in) in exceptional cases. [8] In addition, they range from having 110 to 120 vertebrae. [9] While European eels tend to live approximately 15–20 years in the wild, some ...