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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.
Eels are nocturnal and most of their feeding therefore occurs at night. [28] Having a keen sense of smell, eels most likely depend on scent to find food. The American eel is a generalist species which colonizes a wide range of habitats. Their diet is therefore extremely diverse and includes most of the aquatic animals sharing the same environment.
The European eel is a critically endangered species. Since the 1970s, the numbers of eels reaching Europe is thought to have declined by around 90% (possibly even 98%). Contributing factors include overfishing , parasites such as Anguillicola crassus , barriers to migration such as hydroelectric dams, and natural changes in the North Atlantic ...
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.
Eels are evading becoming supper by slipping out of hungry predators. ... the Japanese eel is the only species of fish confirmed to be able to escape from the digestive tract of the predatory fish ...
Moray eel. Moray eels, or Muraenidae (/ ˈ m ɒr eɪ, m ə ˈ r eɪ /), are a family of eels whose members are found worldwide. There are approximately 200 species in 15 genera which are almost exclusively marine, but several species are regularly seen in brackish water, and a few are found in fresh water.
Another Atlantic eel species is known: the American eel, Anguilla rostrata. First it was believed European and American eels were the same species due to their similar appearance and behavior, but they differ in chromosome count and various molecular genetic markers, and in the number of vertebrae, A. anguilla counting 110 to 119 and A ...
Linnaeus, 1758. Species. See text. Conger (/ ˈkɒŋɡər / KONG-gər) is a genus of marine congrid eels. [2] It includes some of the largest types of eels, ranging up to 2 m (6 ft) or more in length, [3] in the case of the European conger. Large congers have often been observed by divers during the day in parts of the Mediterranean Sea, and ...