Tetraclita squamosa is a barnacle from the Tetraclitidae family. It is mostly green and black, with two pairs of white spots. Individuals are hermaphroditic, that is, possess both male and female reproductive organs.
 Chan, ‘Studies on Tetraclita Squamosa and Tetraclita Japonica (Cirripedia’.
This species is present across the Indo-Pacific region. Recorded depth range is between 0 to 3m. It is commonly found on exposed rocky shores. They are broadcast spawners and the eggs hatch and develop in various larval stages before metamorphosing into adults.
The conservation status of this species has not been evaluated yet.
 ‘Tetraclita Squamosa’.
This species is often confused with Tetraclita japonica, which is purplish grey and has no patterns.