Trial A

Placed in 15˚C

Migrated to 27˚C

Total number

Copepodite iii-v

12

88

1426

Adult female

30

70

1674

Adult male

8

92

372

Diaphanosoma and bosmina

17

83

650

Trial B

Migrated to 15˚C

Placed in 27˚C

Total number

Small nauplius

15

85

5958

Large nauplius

6

94

2800

Copepodite i-iii

11

89

140

Keratella

17

83

485

Bosmina neonates

0

100

217