Atherinidae

fly-specked hardyhead

Craterocephalus stercusmuscarum

Shoaling in shallow streams

• Tropical
• Transcontinental
• Freshwater fish
• Oceania
• Small
• Tropical fish

The fly-specked hardyhead (Craterocephalus stercusmuscarum) is a species of fish in the family Atherinidae endemic and widespread in the freshwater streams of the Northern Territory down the east coast of Queensland into southern Queensland. It forms shoals in streams' shallows (both slow flowing and fast flowing). It grows up to 10 cm (usually 5–6 cm) in length.