A Pink Icon Reclaims Its Name Cyerce elegans (Bergh, 1870) is one of the most visually striking butterfly sea slugs at our macro dive sites in Romblon, Philippines. Its body and large leaf-like cerata are a bold, unmistakeable pink. Furthermore, it has a fascinating taxonomic story. For decades, the dive community called this pink species […]
A Newly Described Species Cyerce katiae (Moreno, Gosliner, Wilson, Krug & Valdés, 2025) is one of the rarest butterfly sea slugs at our macro dive sites in Romblon, Philippines. Divers previously called it Cyerce sp. 4 or Cyerce sp. 4 (NSSI2). Scientists formally described it in 2025 as part of a major revision of the
A Newly Described Butterfly Sea Slug Cyerce blackburnae (Moreno, Gosliner, Wilson, Krug & Valdés, 2025) is one of the rarest butterfly sea slugs at our macro dive sites in Romblon, Philippines. Scientists formally described this species in 2025. It was previously unknown to science. It belongs to the order Sacoglossa, family Caliphyllidae. Furthermore, it is
The Tiger Butterfly Sea Slug Cyerce nigra (Bergh, 1870) is one of the most striking sea slugs at our macro dive sites in Romblon, Philippines. Divers call it the Tiger Butterfly Sea Slug. Its bold black and white stripes on large leaf-like cerata make it easy to identify. It belongs to the order Sacoglossa, family
