Critically Endangered
Oncorhynchus formosanus
Oncorhynchus formosanus
Oncorhynchus formosanus is a salmonid in the family Salmonidae (order Salmoniformes), recorded as Critically Endangered and tied to Taiwan, Namibia, and China.
The salmonid
It was first described by Jordan ug Oshima in 1919.
Salmonids include salmon, trout, and whitefishes: cold-water fishes with an adipose fin and a strong tie to clean lakes or rivers.
Salmon, trout, and whitefishes of cold, well-oxygenated water.
Range and habitat
Oncorhynchus formosanus is recorded from Taiwan, Namibia, and China.
GBIF currently lists 101 occurrence points. Those points follow where people logged the taxon — museum drawers and surveys included — not a closed range boundary.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Diet
Salmonids need cold, oxygenated water and a clean gravel or open-lake feeding ground. Endemic whitefishes collapse when the lake is eutrophied or fished out.
In crisis
Oncorhynchus formosanus is Critically Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the Cebuano Wikipedia article on Oncorhynchus formosanus, translated and retold in English, plus Wikidata item Q46350507 and GBIF occurrence geography. Family and order context is original field-guide writing about the group. Wikipedia text is CC BY-SA. Not an IUCN assessment. Confirm status and range on iucnredlist.org.
