Evaluation of Larval Sea Lamprey Petromyzon marinus Growth in the Laboratory: Influence of Temperature and Diet

Table 1

Summary of experimental design for both Experiments 1 and 2.

Collection locality	Experiment 1
	Baldwin river
	Days 0–90	Days 90–270
Density (abundance, individuals m^−2)	17.1	40
Density (biomass, g m^−2)	32.3	165.4
Sediment depth (cm)	25	2–4
Water depth (cm)	15.2	33
Water temperature (°C)	3.3–14.6	0–4.2
Flow rate (L min^−1)	1.8	4
Water turnover rate (min)	90	39
Feed source	Yeast, yeast + brown rice flour (2 : 1 ratio), yeast + whole wheat flour (2 : 1 ratio)	Yeast, yeast + brown rice flour (2 : 1 ratio), yeast + whole wheat flour (2 : 1 ratio)
Weekly feed amount (g)	Yeast (150 g), yeast (150 g) + brown rice flour (75 g), yeast (150 g) + whole wheat flour (75 g)	Yeast (25 g), yeast (25 g) + brown rice flour (12.5 g), yeast (25) + whole wheat flour (12.5 g)
Weekly feed ration (g L^−1)	0.21, 0.32, 0.32	0.17, 0.25, 0.25
Feed frequency	3× weekly	1–2× weekly
Biofilm disturbance	Every 14 days	None
Collection locality	Experiment 2
	Pigeon river
Density (abundance, individuals m^−2)	25
Density (biomass, g m^−2)	31.2
Sediment depth (cm)	7
Water depth (cm)	10.2
Water temperature (°C)	8, 15, 22
Flow rate (L min^−1)	0.25
Water turnover rate	56
Feed source	Yeast, yeast + fish meal (1 : 1 ratio)
Weekly feed amount (g)	Yeast (2 g), yeast (1 g) + fish meal (1 g)
Weekly feed ration (g L^−1)	0.19
Feed frequency	3× weekly
Biofilm disturbance	None