1969 — Blackfin Cisco Extinction, Extinct animals, Fish

Blackfin Cisco, Animal Database

Blackfin cisco (Coregonus nigripinnis)

Freshwater fish in N. America in peril, study says

Blackfin Cisco, Animal Database

Blackfin Cisco - Coregonus nigripinnis - Extinction photography project

Fishes-student's project of Sto. Tomas College-Danao

Fishes-student's project of Sto. Tomas College-Danao

Racing extension of fishes

Blackfin Cisco - Coregonus nigripinnis - Extinction photography project

Deepwater Cisco - Extinction

Meet The Lazarus Creatures – Six Species We Thought Were Extinct, But Aren't

Racing extension of fishes

10 Fish That Have Recently Become Extinct

Longjaw cisco - Encyclopedia of Life

Whitefishes (Genus Coregonus) · iNaturalist United Kingdom

Taxonomy Salmonidae (Salmonids)

Cisco diversity in a historical drainage of glacial Lake Algonquin

A taxonomic revision of ten whitefish species from the lakes