The Species Black List
Helcogrammoides antarcticus
Antarctic triplefin blenny
The Antarctic triplefin blenny (Helcogrammoides antarcticus) is a subtidal species known only from a few specimens collected from Paradise Bay, on the Antarctic Peninsula.
Status Data Deficient on the IUCN Red List Restriction tier 2, restricted, extent unclear Class Actinopterygii Realm Oceanic Locality Paradise Bay As IUCN records it Helcogrammoides antarcticus (Tomo, 1982) This species is one of 3,062 in a list of vertebrates the IUCN Red List records as Data Deficient or has never assessed, ranked by how narrowly restricted the published record says they are. The sentence above is the evidence the tier was read from, quoted from Matthew Richardson, Threatened and Recently Extinct Vertebrates of the World (2023).
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Check this species elsewhere: IUCN Red List · GBIF