Appendix C. Terminal node predictions of the decision trees for species' rarity from Fig. 1, frequency of local extirpation from Fig. 2, and perceived level/source of extinction risk from Fig. 3.
Species |
Range |
Frequency of local extirpation |
Level and source of extinction |
| Catostomidae | |||
| Catostomus clarkii, desert sucker† | A |
C |
E |
Catostomus discobolus, bluehead sucker |
A |
F |
E |
Catostomus insignis, Sonora sucker† |
A |
E |
E |
Catostomus latipinnis, flannelmouth sucker |
A |
A |
E |
Xyrauchen texanus, razorback sucker |
B |
A |
D |
| Cyprinidae | |||
| Gila cypha, humpback chub | B |
F |
C |
Gila elegans, bonytail |
B |
A |
C |
Gila intermedia, Gila chub† |
B |
C |
C |
Gila nigra, headwater chub† |
B |
E |
C |
Gila robusta, roundtail chub |
B |
F |
C |
Lepidomeda mollispinis, Virgin R. spinedace† |
B |
C |
D |
Lepidomeda vittata, Little CO. R. spinedace† |
B |
C |
D |
Meda fulgida, spikedace† |
B |
E |
B |
Plagopterus argentissimus, woundfin† |
B |
C |
D |
Ptychocheilus lucius, Colorado pikeminnow |
B |
A |
A |
Agosia chrysogaster, longfin dace |
D |
E |
F |
Rhinichthys osculus, speckled dace |
D |
E |
F |
Rhinichthys cobitis, loach minnow† |
C |
D |
B |
| Cyprinodontidae | |||
Cyprinodon macularius, desert pupfish† |
B |
B |
B |
| Poeciliidae | |||
| Poeciliopsis occidentalis, Gila topminnow | D |
B |
B |
Salmonidae |
|||
Oncorhynchus gilae apache, Apache trout† |
C |
D |
G |
Oncorhynchus gilae gilae, Gila trout† |
C |
B |
G |
† Species endemic to the Lower Colorado River Basin.