Inhabits brackish mangrove estuaries and lower reaches of freshwater streams, usually on mud bottoms . Usually found in lagoons and estuaries, particularly where there is vegetation . Occurs frequently in mangrove swamps . Occasionally ascends rivers . Feeds mainly on small fishes and crustaceans . Marketed fresh .
Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 8 - 9. Dark longitudinal lines on body; caudal fin black with light margin dorsally; pectoral base with 1-2 black spots .: elongated.
Behavioural data for Duckbill sleeper is currently being reviewed.
Diet information for Duckbill sleeper is currently being compiled.
Reproduction data for Duckbill sleeper is currently being compiled.
Marine; freshwater; brackish; demersal; pH range: 7.0 - 8.0; dH range: 9 - 19; amphidromous . Tropical; 22°C - 28°C
small fishes and crustaceans (Ref
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Cheilodipterus butis | Hamilton | 1822 | Synonym |
| Eleotris butis | Hamilton | 1822 | Synonym |
| Elestris butis | Hamilton | 1822 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 43 records indexed .
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