[ 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) | ||
| 4.00000 | 4.00000 | 1.00 | 4820 | ||
| 12.30000 | 28.47000 | 2.31 | 2336 | ||
| 20.00000 | 21.00000 | 1.05 | 4820 | ||
| 35.00000 | 39.00000 | 1.11 | 4820 |