Table 2.

Potential metabolic energy yield estimated from the measured in situ physical and chemical data and the bimodal mixing model between each of the endmember hydrothermal fluids and ambient seawater.

	Calculated temperature range (°C)	H2-trophy colony water (J/kg)	H2S-trophy colony water (J/kg)
Kairei field
A. marisindica (kAlv) colony
Using the measured in situ data	11.9–60.0	4.4–9.4	39.2–65.0
Using the bimodal mixing model	12–60	24.1–41.1	31.8–37.9
C. squamiferum colony
Using the measured in situ data	8.4–13.5	1.8–2.0	18.2–23.1
Using the bimodal mixing model	8–13	14.3–26.4	37.7–38.4
Edmond field
A. marisindica (eAlv) colony
Using the measured in situ data	6.5–38.1	0.08–0.1	56.1–79.5
Using the bimodal mixing model	6–40	0.3–2.5	33.7–36.2