Sadton Marso 2020, gindeklara san IUCN Red List an ekstinksyon san Sympterichthys unipennis.[2][3]
Sadton 1996, An spotted handfish (Brachionichthys hirsutus) amo an una na marino na isda na nahitala na critically endangered san IUCN Red List.[4]
- ↑ 1.0 1.1 1.2 1.3 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ Last, P.R., Edgar, G. & Stuart-Smith, R. (2020). Sympterichthys unipennis. The IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2020-1.RLTS.T123423283A123424374.en>
- ↑ Shiffman, David (July 2020). "Smooth Handfish Extinction Marks a Sad Milestone". Scientific American. 323 (1): 14.
- ↑ Edgar, G., Stuart-Smith, R. & Last, P.R. (2020). Brachionichthys hirsutus. The IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2020-1.RLTS.T2958A121210485.en