Anarchias supremus  Anarchias supremus is an eel in the family Muraenidae (moray eels). It was described by John E. McCosker and Andrew L. Stewart in 2006. It is a subtropical, marine eel which is known from Macauley Island on the Kermadec Ridge in the southwestern Pacific Ocean. Males are known to reach a maximum total length of 19.1 centimetres. The species epithet is derived from the Latin word for "supreme/uppermost", acknowledging "Anarchias supremus"'s possession of the most vertebrae of any known species in the genus.