Echidna catenata
Encyclopedia
Echidna catenata, or the chain moray, is a moray eel
Moray eel
Moray eels are cosmopolitan eels of the family Muraenidae. The approximately 200 species in 15 genera are almost exclusively marine, but several species are regularly seen in brackish water and a few, for example the freshwater moray can sometimes be found in freshwater...

 from the Western Atlantic. It occasionally makes its way into the aquarium trade. It grows to a size of 165 cm in length.
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