1, different colors

The shell of Ampullaria canaliculata is yellow, the shell is almost disc-shaped, and there are 5-6 layers of snails. The body snail layer accounts for about 89% of the shell height, the spiral part is small, the umbilical foramen is large and deep, and there is no black frame, which lays eggs. Snail shell color is blue-brown, snail is yellow-brown.

2. The tail of spine is different.

The vertebral tail of Ampullaria canaliculata is flat and short, and the vertebral tail of Ampullaria canaliculata is long and sharp, with 6-7 spiral layers, and the body spiral layer accounts for about 68% of the shell height.

3. Look at the screw cover

The screw cap of Ampullaria canaliculata is flat, and the screw cap of Ampullaria canaliculata is round, with a large spiral part, a slit-shaped umbilical hole with a black border, and the eggs are viviparous.