This Painting depicts Ngangiy (Mud mussels) a type of shellfish; a mussel, a commonly gathered clam found in the mangrove mud and characteristically coated with coralline growth and stained partly black. Polymesoda coaxans (Corbiculidae). This plentiful shellfish is collected in the dried out floodplains, only a small sliver of the shell is exposed as it buries itself in mud, You need good eyes to find this delicious bush food.