Ircinia bergquistia is a species of sea sponge in the family Irciniidae. It was first described in 2016 by Korean spongiologists, Chung-Ja Sim, Kyung Jin Lee and Kim, from a specimen collected at a depth of 20 m by a scuba dive. The species epithet honours New Zealand spongiologist, Patricia Bergquist.
It is a dark-grey, compressible, irregular, thick-walled sponge measuring 8 cm by 9 cm by 4 cm. It has been found off Seogwipo-si, Jeju-do, Korea. References