Endangered
Hyphessobrycon nicolasi
Hyphessobrycon nicolasi
Hyphessobrycon nicolasi is a characin in the family Characidae (order Characiformes), recorded as Endangered and tied to Argentina.
The characin
Characins are Neotropical freshwater fishes — tetras and their kin — usually schooling in rivers and flooded forest.
Characiform fishes are Neotropical and African freshwater lineages: tetras, hatchetfishes, and their relatives.
Range and habitat
It is endemic to streams in the Uruguay River basin in the province of Entre Ríos, in northeastern Argentina. The type locality is: Argentina, province of Entre Ríos, El Pelado stream, tributary of the Uruguay River, on the outskirts of the city of Colón (32°19′ S - 58°14′ W);.
GBIF currently lists 7 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.
Habits
Characiforms school or hold small territories in Neotropical rivers. Many named tetras are known from one drainage that can be silted or dammed.
In crisis
Hyphessobrycon nicolasi is 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 Spanish Wikipedia article on Hyphessobrycon nicolasi, translated and retold in English, plus Wikidata item Q5538079 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.
