The only place I can find that offers "
Linckia teres" currently has very few reviews that I can find, and all of them are terrible.
That said,
Linckia teres is not a valid taxonomic name, and the actual species in question is likely either
Linckia columbiae (also inaccurately known as
Tamaria stria) or
Echinaster luzonicus (the purple coloration isn't necessarily common for either species).
L. columbiae seems to be out of stock everywhere at the moment (it may be a seasonal thing, I'm not sure), but
E. luzonicus can be found from a number of different places, including a few that are reported to be more reputable:
This is for a single Neon Orange Luzon Starfish, Echinaster luzonicus-Very Nice and bright color. Size: ~2-3+ inches, size varies. These are colorful and beautiful. This is a less commonly available variety of starfish. They typically reside in the sandbed and on the rocks. In a 30 gallon...
seahorsesavvy.com
Echinaster luzonicusSize: Variable 2-3 Approx. Interesting Reef Critters to Add to Your Tank! Colors vary from dark maroon to red.
pacificeastaquaculture.com