Table 1.
Catch data for fishes caught in the CO2 deterrent-integrated trap at the Royal Botanical Gardens fishway, 23 May to 8 July 2019
| Species scientific name | Common name | Ambient catch rate (fish/hour) | Deterrent catch rate (fish/hour) | Total abundance | Percent change |
|---|---|---|---|---|---|
| C. carpio | common carp | 2.565 | 0.267 | 1662 | −90% |
| A. nebulosus | brown bullhead | 0.308 | 1.009 | 294 | 228% |
| C. auratus | goldfish | 0.288 | 0.110 | 105 | −62% |
| C. carpio x C. auratus | common carp x goldfish hybrid | 0.289 | 0.184 | 133 | −36% |
| Ictalurus punctatus | channel catfish | 0.144 | 0.000 | 87 | −100% |
| Dorosoma cepedianum | gizzard shad | 0.017 | 0.000 | 7 | −100% |
| Aplodinotus grunniens | freshwater drum | 0.011 | 0.000 | 4 | −100% |
| Micropterus salmoides | largemouth bass | 0.006 | 0.000 | 2 | NA |
| Amia calva | bowfin | 0.005 | 0.000 | 2 | NA |
| Lepomis gibbosus | pumpkinseed | 0.000 | 0.022 | 1 | NA |
| Oncorhyncus mykiss | rainbow trout | 0.003 | 0.000 | 1 | NA |
| Catostomus commersonii | white sucker | 0.003 | 0.000 | 1 | NA |