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Juvenile eels. American eels can grow to 1.22 m (4.0 ft) in length and to 7.5 kg (17 lb) in weight. Females are generally larger than males, lighter in color, with smaller eyes and higher fins. [7] The body is elongate and snake-like. Its dorsal and anal fins are confluent with the rudimentary caudal fin.
The European eel (Anguilla anguilla) is listed as Critically Endangered on the global IUCN Red List of Threatened Species. While the Japanese eel (Anguilla japonica) and American eel (Anguilla rostrata) are assessed as Endangered. [17] In 2010, Greenpeace International added the American eel, European eel, and Japanese eel to its seafood red ...
The discovery of the spawning area of the American and European eels in the Sargasso Sea is one of the more famous anecdotes in the history of ichthyology. The spawning areas of some other anguillid eels, such as the Japanese eel, and the giant mottled eel, were also discovered recently in the western North Pacific Ocean.
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The term "eel" is also used for some other eel-shaped fish, such as electric eels (genus Electrophorus), swamp eels (order Synbranchiformes), and deep-sea spiny eels (family Notacanthidae). However, these other clades , with the exception of deep-sea spiny eels, whose order Notacanthiformes is the sister clade to true eels, evolved their eel ...
Ilyophinae, the arrowtooth ells or mustard eels, is a subfamily of marine ray-finned fishes belongiing to the family Synaphobranchidae, the cutthroat eels. Within its family this subfamily shows greatest number of species and the greatest morphological diversity.
American eel (Anguilla rostrata) American gizzard shad (Dorosoma cepedianum) American paddlefish (Polyodon spathula) Arkansas darter (Etheostoma cragini) Arkansas River shiner (Notropis girardi) Banded darter (Etheostoma zonale) Banded pygmy sunfish (Elassoma zonatum) Banded sculpin (Cottus carolinae) Bantam sunfish (Lepomis symmetricus)
As the European eels become less available, worldwide interest in American eels has increased dramatically. New high-tech eel aquaculture plants are appearing in Asia, with possible effects on the native Japanese eel, A. japonica. Traditional eel aquaculture operations rely on wild-caught elvers, but experimental hormone treatments in Japan ...