Pseudaphritis urvillii
Congolli - Marinewise © 2023 MarineWise

Quick Facts

Scientific name Pseudaphritis urvillii
Other names Freshwater Flathead, Marble Fish, Marbled Flathead, Sand Trout, Sandy Whiting, Tupong
Size Up to 35 cm (13.7 in)
Weight Under 1 kg (2.2 lb)


Habitat & AU Distribution Fresh & brackish waters in rivers, streams & estuaries amongst wood debris & structure
Depth Range 0 - 5 m (16 ft)
Congolli Distribution

Interesting Info

  • Congolli (Pseudaphritis urvillii) is a freshwater fish species that is endemic to Australia. It is found in the eastern and southern parts of the country, including Tasmania.
  • The species is commonly known as congolli, although it is also referred to as mountain galaxias or Tasmanian mudfish.
  • They typically inhabit slow-moving streams, rivers, and ponds with vegetation cover and sandy or muddy bottoms.
  • Congolli have a distinctive pattern of dark bands on their sides and back, which can vary in intensity depending on the individual and the environment.
  • These fish are primarily active at night and feed on small invertebrates, such as worms, crustaceans, and insect larvae.
  • Congolli are known to be resilient to drought conditions and can survive in small, isolated water bodies for extended periods of time.
  • Estimates of lifespan are 2 to 3 years.
Species Interaction

Recreational Fishing

Pseudaphritis urvillii, or congolli, are popular among recreational anglers in their native range of Tasmania, Australia. They are considered a challenging and rewarding species to catch due to their small size, elusive behavior, and preference for slow-moving water with vegetation cover.

Scientific Classification

Kingdom: Animalia

Phylum: Chordata

Class: Actinopterygii

Order: Perciformes

Suborder: Notothenioidei

Family: Pseudaphritidae

Genus: Pseudaphritis

Species: Pseudaphritis urvillii

Conservation Status

Pseudaphritis urvillii, or congolli, is currently listed as “Least Concern” on the IUCN Red List of Threatened Species. The species has a wide distribution across eastern and southern Australia, including Tasmania, and is not currently facing any major threats on a global scale.

Fish Taste Quality

Congolli are not a commonly consumed fish species due to their small size, the amount of meat on a single fish is quite limited.

Taste Rating: no rating

How to catch

Catch Difficulty: Intermediate

Tackle: Running Sinker Rig, Artificial Rig

Bait: Bread, Lures, Insects, Flies

Technique: Keep bait on the bottom, Cast lures with a slow retrieve

Popularity: Popular

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