Facultative air-breathing in the genus ; Inhabits rivers, creeks and billabongs, usually in quiet o slowly flowing water among vegetation, around log debris or undercut banks. A nocturnal carnivore, feeds on fishes, crustaceans, and aquatic insects .
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8 - 9. Mid-lateral scales 62-65; horizontal scales rows 19-20; predorsal scales 40-48. Generally dark brown dorsally, lighter below with a series of close-set, narrow dark brown stripes on sides. Median and pelvic fins with small dark spots. Pectoral fins with rows of dark spots forming transverse bands. Juveniles often whitish grey dorsally with a narrow white stripe (or irregular white blotches) along mid-line. Similar to O. lineolata but has spotted anal, pelvic, and pectoral fins .: fusiform / normal; Cross section: circular.
Behavioural data for Giant gudgeon is currently being reviewed.
Diet information for Giant gudgeon is currently being compiled.
Reproduction data for Giant gudgeon is currently being compiled.
Freshwater; benthopelagic. Tropical
fishes, crustaceans, and aquatic insects (Ref
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Eleotris selheimi | Macleay | 1884 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 7 records indexed .
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