Catfish
Catfish is a 11/5-repeating no-twos-or-threes rank-2 temperament which tempers out the commas 2093663/2088025 and 54925/54043 in the 5.11.13.17 subgroup. This implies a generator approximating 17/11 or its inverse 121/85. It can be viewed as the no-twos-or-threes analog to meantone with 11:13:17 being the substitute for 4:5:6. It possesses MOS scales of the families 2L 3s<11/5>, 2L 5s<11/5>, 2L 7s<11/5>, and 9L 2s<11/5>.
20ed11/5 is one of the best tunings for this temperament, although it does noticeably flatten the 13/11 in the 11:13:17 chord.
Interval chain (CTE tuning)
| Generators up | Cents |
|---|---|
| 0 | 0.0 |
| 1 | 613.3 |
| 2 | 1226.6 |
| 3 | 474.9 |
| 4 | 1088.2 |
| 5 | 336.5 |
| 6 | 949.8 |
| 7 | 198.1 |