Other names: Eel-tailed catfish, Australian freshwater catfish, Freshwater catfish, Jewfish, Tandan
The dewfish, Tandanus tandanus, is a native species found in the inland waters of eastern Australia. Recognized by its large head and robust body, it thrives in slow-moving streams, lakes, and ponds. This species is sought after for both commercial fisheries and recreational angling due to its hardy nature and adaptability.
Other names
Eel-tailed catfish, Australian freshwater catfish, Freshwater catfish, Jewfish, Tandan
Length
~50" (max 90)
Weight
~2" (max 6)
Water
Fresh
Water Temp
10-27° F
Depth
1-60 ft
Crayfish
Insects
Mussels
Scrub worms
ShrimpAlways open
5
30 cm
Total length
Dewfish inhabit slow-moving rivers, lakes, and ponds with abundant vegetation
They prefer sandy or gravel bottoms and are often found close to the substrate
Their diet includes insect larvae, crustaceans, mollusks, and small fish, reflecting their bottom-feeding habits
Juveniles are typically found in shallow, vegetated waters for protection and feeding
Spawning occurs from spring to mid-summer when water temperatures rise
Males build nests and guard the eggs, which are laid in a central sandy depression
Eggs hatch in about a week, and the fry remain in shallow, protected areas before moving to deeper waters
Australian freshwater catfish show strong parental care, with males tending the eggs until they hatch
