This Rostanga is rare in the Marshalls, so far known from only three small specimens found on Kwajalein Atoll lagoon pinnacles. Two were found under the same chunk of dead coral at a depth of about 10 meters on 23 June 1991. When found, one of the pair was in the process of depositing an egg mass. The third individual found in 2003 also had eggs. This may be Rostanga sp. 4 in Gosliner et al (2018).
Created 11 December 2006
Updated 25 December 2021