[5] Additionally, T. micranthus has been observed eating larger planktonic prey, and even jellyfish, though this has not been confirmed as a regular part of its diet.

They are additionally notable for their relatively fast rate of growth of 4 cm per year, outpacing many azooxanthellate corals.

[2] While the reproductive abilities of T. micranthus have not been confirmed directly, they are assumed to reproduce both sexually and asexually, because they share many traits with other Tubastraea species (specifically T.

Additionally, T. micranthus found near the Philippines inhabited a greater range of depths (from 4–50m) than those from the Red sea (down to 12 meters).

In recent years Tubastraea micranthus has taken residency in the Gulf of Mexico, around the mouth of the Mississippi, where it has established itself as an invasive species.