| Last Seen | Genus | Species | Hint | % Correct |
|---|---|---|---|---|
| 1928 | Cottus | Utah Lake Sculpin | Utah | 100%
|
| 1987 | Gambusia | Amistad Gambusia | Texas | 50%
|
| 2006 | Coregonus | Blackfin Cisco | Michigan | 50%
|
| 1952 | Coregonus | Deepwater Cisco | Michigan | 50%
|
| 1893 | Moxostoma | Harelip Sucker | Tennessee | 50%
|
| 1986 | Rhinichthys | Las Vegas Dace | Nevada | 50%
|
| 1975 | Coregonus | Longjaw Cisco | Michigan | 50%
|
| 1988 | Etheostoma | Maryland Darter | Maryland | 50%
|
| 1959 | Lepidomeda | Pahranagat Spinedace | Nevada | 50%
|
| 1949 | Notropis | Phantom Shiner | New Mexico | 50%
|
| 1983 | Gambusia | San Marcos Gambusia | Texas | 50%
|
| 1957 | Noturus | Scioto Madtom | Ohio | 50%
|
| 1985 | Coregonus | Shortnose Cisco | Michigan | 50%
|
| 1939 | Salvelinus | Silver Trout | New Hampshire | 50%
|
| Unknown | Chasmistes | Snake River Sucker | Wyoming | 50%
|
| 1957 | Gila | Thicktail Chub | California | 50%
|
| 1891 | Fundulus | Whiteline Topminnow | Alabama | 50%
|
| 1948 | Empetrichthys | Ash Meadows Killifish | Nevada | 0%
|
| 1970s | Pogonichthys | Clear Lake Splittail | California | 0%
|
| 2002 | Cyprinodon | Santa Cruz Pupfish | Arizona | 0%
|