- Source: Apterichtus anguiformis
Apterichtus anguiformis, the slender finless eel, is a species of snake eel (family Ophichthidae). It was described by Wilhelm Peters in 1877. It is a marine, subtropical eel which is known from the eastern Atlantic Ocean, including the western Mediterranean Sea, Morocco, and Cape Verde. It dwells at a depth range of 10 to 40 metres (33 to 131 ft) and inhabits burrows formed in sand and mud sediments on the continental shelf. Males can reach a maximum total length of 49.3 centimetres (19.4 in).