Coronis spinosa Wood-Mason, 1875 Coronis tricarinata Claus, 1871 Squilla indefensa 1878 Heterosquilla tricarinata is a species of mantis shrimp in the family Tetrasquillidae.

[2] Heterosquilla tricarinata live in tidal mud flats creating extensive barrow systems.

[3] They can experience low environmental oxygen levels.

However, the shrimp is well adapted to the low oxygen levels in its habitat.

[4] The shrimp ranges from a light beige to greenish colour with the females often having a distinctive red stripe along the spine.