Dark sleeper (Odontobutis obscurus)

Image source: Jo's Animal Database
General data
- Main name: Dark sleeper
- Local names: Toadonn, Toadfish, Toadle
- Climates: Temperate
- Habitat: Freshwater
- Native: Asia
Classification
- Genus: Odontobutis - Odontobutis
- Family: Odontobutidae - Freshwater sleepers
- Order: Gobiiformes - Gobies
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes
Description
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.