Tethya actinia

{{Short description|Species of sponge}}

{{Speciesbox

| taxon = Tethya actinia

| authority = de Laubenfels, 1950

}}

Tethya actinia is a sea sponge belonging to the family Tethyidae.{{cite web |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=170932 |title=WoRMS - World Register of Marine Species - Tethya actinia de Laubenfels, 1950 |website=www.marinespecies.org |access-date=14 November 2010}}

While it is highly toxic to fish, it is known to be preyed upon by the hawksbill turtle, Eretmochelys imbricata.{{cite journal | last =Meylan | first =Anne | author-link =Anne Meylan | title =Spongivory in Hawksbill Turtles: A Diet of Glass | journal =Science | volume =239 | issue =4838| pages =393–395 | publisher =American Association for the Advancement of Science | date =1988-01-12 | doi = 10.1126/science.239.4838.393| pmid =17836872 | jstor=1700236| bibcode =1988Sci...239..393M | s2cid =22971831 }}