Recently Extinct Fish: Blackfin Cisco The Great Lakes once teamed with this salmon-type fish but no more. While it’s true that nature can be unbelievably powerful, it can also be incredibly fragile. Most of those deaths happened during mass extinctions that were caused by natural, cataclysmic events, but in ... Read more Species That Have Gone Extinct … The Tecopa Pupfish 9. The Gravenche 5. However, between overfishing and introduced fish species, they were not able to survive and are now believed to be extinct. It was a silver fish with black fins and a black stripe on its spine. The Silver Trout 8. Each of the Great Lakes and Lake Nipigon before settlement supported a complex of cisco forms that varied among lakes and that were extremely vulnerable to … The Blue Walleye also went extinct. Other Great Lakes species that have been lost are the deepwater cisco in the 1950's, the blackfin cisco in the 1960s, and the longjaw cisco in the 1970's.Only a handful of endangered species, such as the Tecopa pupfish, the longjaw cisco, and the dusky seaside sparrow, have ever been taken off the list because they went extinct. Since the dawn of time, it’s estimated that a staggering 99.9 percent of all species that have lived on Earth have gone extinct. Extinct Fish 1.The Blackfin Cisco 2. The Thicktail Chub 10. Blackfin cisco (Coregonus nigripinnis) Formerly found in: Lakes Huron, Michigan, Ontario, and Superior Extinct in 1960s Blue pike (Stizostedion vitreum glacum) Formerly found in: Lakes Erie and Ontario Fish Blackfin cisco Coregonus nigripinnis The blackfin cisco, also known as the jumbo herring, was once found in lakes Huron, Michigan, Ontario, and Superior. The Harelip Sucker 6. Like the Blackfin Cisco, it was common in the Lakes, but overfishing No sightings of the blackfin The Lake Titicaca Orestias 7. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. Blackfin cisco Upload your photos and videos Pictures | Google image Coregonus nigripinnis Picture by Lyons, J. The Galapagos Damsel 4. The Blue Walleye 3. In addition, Longjaw Cisco (C. alpenae), had been synonymized with the shortjaw cisco, and although extinct, was recognized as valid, making now a total of eight major forms. Until the 1900s the blackfin cisco was so common it was commercially viable to catch it.