Dark sleeper
(Odontobutis obscurus)

Image source: Jo's Animal Database

Classification

Species: Odontobutis obscurus

General data

Scientific names: Dark sleeper
Local names: Toadonn, Toadfish, Toadle
Habitat: Freshwater
Climate: Temperate
Native: Asia
Distribution:

The dark sleeper, Odontobutis obscura, is a species of freshwater sleeper native to Japan, and Korea (only Geoje Island).

This species can reach up to 25 cm (9.8 in) in length. It is a commercially important species.

This species is also variously called Toadonn, Toadfish, and Toadle.

The Dark sleeper diet mainly consists of zoobenthos: chironomids, small aquatic bugs and larvae, which are all found in the benthic zone of the water column.