Species of Greatest Conservation Need
1124 species
| Scientifc Name | Common Name | Taxonomic Group | Federal Status | State Status | Global Rank | State Rank | Endemic |
|---|---|---|---|---|---|---|---|
| Microphis brachyurus | opossum pipefish | Fish - Bays and Estuaries | Not Listed | Not Listed | G4G5 | S3 | No |
| Paralichthys lethostigma | southern flounder | Fish - Bays and Estuaries | Not Listed | Not Listed | G5 | S2S3 | No |
| Agonostomus monticola | mountain mullet | Fish - Freshwater | Not Listed | Not Listed | G5 | S2 | No |
| Ammocrypta clara | western sand darter | Fish - Freshwater | Not Listed | Not Listed | G3 | S3 | No |
| Anguilla rostrata | american eel | Fish - Freshwater | Not Listed | Not Listed | G4 | S4 | No |
| Atractosteus spatula | alligator gar | Fish - Freshwater | Not Listed | Not Listed | G3G4 | S4 | No |
| Campostoma ornatum | Mexican stoneroller | Fish - Freshwater | Not Listed | T 07/18/1977 |
G3G4 | S1 | No |
| Campostoma spadiceum | highland stoneroller | Fish - Freshwater | Not Listed | Not Listed | G4G5 | SNR | No |
| Cycleptus elongatus | blue sucker | Fish - Freshwater | Not Listed | T 07/18/1977 |
G3G4 | S3 | No |
| Cyprinella lepida | plateau shiner | Fish - Freshwater | Not Listed | T 03/30/2020 |
G1G2 | S2? | Yes |
| Cyprinella proserpina | proserpine shiner | Fish - Freshwater | Not Listed | T 07/18/1977 |
G3 | S2 | No |
| Cyprinodon bovinus | Leon Springs pupfish | Fish - Freshwater | E 09/15/1980 |
E 05/15/1975 |
G1 | S1 | Yes |
| Cyprinodon elegans | Comanche Springs pupfish | Fish - Freshwater | E 03/11/1967 |
E 05/19/1974 |
G1 | S1 | Yes |
| Cyprinodon eximius | Conchos pupfish | Fish - Freshwater | Not Listed | T 07/18/1977 |
G3G4 | S1 | No |
| Cyprinodon pecosensis | Pecos pupfish | Fish - Freshwater | PT 11/22/2024 |
T 03/01/1987 |
G2 | S1 | No |
| Cyprinodon rubrofluviatilis | Red River pupfish | Fish - Freshwater | Not Listed | T 03/30/2020 |
G5 | S2 | No |
| Dionda argentosa | manantial roundnose minnow | Fish - Freshwater | Not Listed | Not Listed | G3 | S2 | Yes |
| Dionda diaboli | Devils River minnow | Fish - Freshwater | T 11/19/1999 |
T 07/18/1977 |
G1 | S1 | No |
| Dionda episcopa | roundnose minnow | Fish - Freshwater | Not Listed | T 03/30/2020 |
G4 | S1 | No |
| Dionda flavipinnis | Guadalupe roundnose minnow | Fish - Freshwater | Not Listed | Not Listed | GNR | SNR | Yes |
| Dionda nigrotaeniata | Medina roundnose minnow | Fish - Freshwater | Not Listed | T 03/30/2020 |
GNR | S1 | Yes |
| Dionda serena | Frio roundnose minnow | Fish - Freshwater | Not Listed | T 03/30/2020 |
GNR | S2 | Yes |
| Dionda texensis | Nueces roundnose minnow | Fish - Freshwater | Not Listed | Not Listed | GNR | SNR | Yes |
| Erimyzon claviformis | western creek chubsucker | Fish - Freshwater | Not Listed | T 03/01/1987 |
G5 | S2S3 | No |
| Etheostoma fonticola | fountain darter | Fish - Freshwater | E 10/13/1970 |
E 05/19/1974 |
G1 | S1 | Yes |