[ n = 4 ]
Gill area vs body weight graph (loading may take 2-3 min.)
| Body weight | Gill area | Gill area / weight | Ref. | Blood/water distance | Ref. |
| (g) | (cm2) | (cm2/g) | (μm) | ||
| 6.96000 | 9.25000 | 1.33 | 2331 | ||
| 39.20000 | 131.00000 | 3.34 | 2330 | ||
| 42.35000 | 28.95000 | 0.68 | 2331 | ||
| 107.50000 | 64.73000 | 0.60 | 2331 | 3.60000 | 2331 |