Marble-toothed snake-eel
The Marble-toothed snake-eel is an eel in the family Ophichthidae. It was described by Charles Henry Gilbert in 1898. It is a marine, tropical eel which is known from the eastern central and southeastern Pacific Ocean, including Costa Rica, Colombia, Panama and Ecuador. It dwells in shallow waters at a maximum depth of, and inhabits sand and mud sediments and mangroves. Males can reach a maximum total length of.
The IUCN redlist currently lists the Marble-toothed snake eel as Near Threatened, due to the decline in mangroves in its range of habitat. The population of the Marble-toothed snake eel is estimated to have declined by 25% over a course of 10–15 years.