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CAS 21441 (1 specimen) Príncipe , mouth of a creek flowing into Praia Rei, Bahia das Agulhas. UFES 154 (4 specimens) Lagoa Azul. Afonso et al. (1999) used the synonym H. punctulatus ZBK Guichenot, 1853. A color photo of an animal from SãoTomé was printed in Debelius (1998) and in Kuiter (2000) under the synonym H . deanei ZBK Duméril , 1857. According to Lourie et al. (2004), the habitat is unknown. The NGS expedition found this to be a common species in shallow water (from 1 m depth down to at least 25 m depth), frequently clinging to large sponges.