Marsh & Associates (M&A) with assistance from Bureau of Land Management (BLM) visited lower Bonita Creek, Graham Co., Arizona to sample fishes November 4, 2015 to November 6, 2015. This monitoring is part of a long-term program initiated by BLM to evaluate relationships between populations of native and non-native fishes.
Total effort was 247, 247, and 23 overnight sets for Gee, Promar, and hoop nets, respectively. Total catch (all netting methods combined) was 444 green sunfish, 260 fathead minnow, 206 western mosquitofish, 116 yellow bullhead, 43 Gila chub, 21 Sonora sucker, 1 Sonora mud turtle, and 1 Northern crayfish. Total catch per unit effort (CPUE) was 2.11 fish per net set. Catch per unit effort for combined native fish species (Sonora sucker and Gila chub) was 0.12 per net set and CPUE for targeted non-native fish species (yellow bullhead and green sunfish) was 1.08 fish per net set.