The Species Black List
Arcanumophis problematicus
San Juan false coral snake
The San Juan false coral snake (Arcanumophis problematicus) is known only from its original collection in the 1980s from southeastern Peru (Puno department).
Status Data Deficient on the IUCN Red List Restriction tier 5, type locality or a single collection Class Reptilia Realm Neotropical Locality not specified in the source As IUCN records it Arcanumophis problematicus (Myers, 1986) 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