Locomotor energetics reported for females of three species of tarantula at similar temperatures (23-25°C)
| Species . | Mean mass (g) . | V̇CO2max (μl CO2 h-1) . | Cmin (μl CO2 m-1) . |
|---|---|---|---|
| Aphonopelma anax (present study) | 15.72 | 2301 | 32.32 |
| Unknown (Herreid, 1981) | 12.7 | 2220 | 5.02 |
| Brachypelma smithi (Anderson and Prestwich, 1985) | 26.92 | 4210 | — |
| Species . | Mean mass (g) . | V̇CO2max (μl CO2 h-1) . | Cmin (μl CO2 m-1) . |
|---|---|---|---|
| Aphonopelma anax (present study) | 15.72 | 2301 | 32.32 |
| Unknown (Herreid, 1981) | 12.7 | 2220 | 5.02 |
| Brachypelma smithi (Anderson and Prestwich, 1985) | 26.92 | 4210 | — |
Cmin, minimum cost of transport.
For comparison, data were converted to units of whole-animal V̇CO2 using a respiratory quotient of 0.92.