Sacoproteus

Sacoproteus is a genus of sea slugs in the Limapontiidae family, described in 2018. It contains five species, of which four were newly described when the genus was erected, and one (Sacoproteus smaragdinus) was reassigned from its previous classification of Stiliger smaragdinus as the type species of the new genus. Most of the species are mimetic of toxic "sea-grape" algae in the genus Caulerpa.[1][2]

Sacoproteus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Family: Limapontiidae
Genus: Sacoproteus
Krug et al. 2018[1]
Species
  • Sacoproteus smaragdinus
  • Sacoproteus nishae
  • Sacoproteus yhiae
  • Sacoproteus browni
  • Sacoproteus thomasleei

Species

The species of the genus where found to closely mimic the appearance of different types of toxic algae that they feed on.[1]

  • Sacoproteus smaragdinus (previously classified as Stiliger smaragdinus): mimics Caulerpa racemosa and Caulerpa lentilifera
  • Sacoproteus nishae: mimics Caulerpa chemnitzia
  • Sacoproteus yhiae: mimics Caulerpa cactoides and Caulerpa gemminata
  • Sacoproteus browni: probably as S. yhiae
  • Sacoproteus thomasleei: not mimetic
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References
  1. Krug, P. J.; Wong, N. L. W.; Medina, M. R.; Gosliner, T. M.; Valdés, Á. A. (2018). "Cryptic speciation yields remarkable mimics: A new genus of sea slugs that masquerade as toxic algae (Caulerpa spp.)". Zoologica Scripta. 47 (6): 699–713. doi:10.1111/zsc.12310.
  2. "Stunning new sea slug species look just like seaweed". 2018-10-16. Retrieved 2018-12-04.
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