Australian Mud Whelk

Batillaria australis
Australian Mud Whelk - Marinewise © 2026 MarineWise

Quick Facts

Scientific nameBatillaria australis
SizeUp to 4.9 cm (1.92 in)
WeightA few grams
FamilyMolluscs / Batillariidae

Distribution

Habitat & AU DistributionShallow coastal waters, estuaries, mangroves & river mouths amongst silty & muddy areas
Depth Range0 - 5 m (16 ft)
Australian Mud Whelk Distribution