Table 2 Number of individuals of G. sibiricus on mismatched backgrounds, all of which did not switch colour morph during development

Round 1

Morph & Background

High

Low

Sum

  Green on Brown

n = 3

n = 0

n = 3

c ≤ 0.63

NA

c ≤ 0.63

  Brown on Green

n = 9

n = 9

n = 18

c ≤ 0.28

c ≤ 0.28

c ≤ 0.15

  Sum

n = 12

n = 9

n = 21

c ≤ 0.22

c ≤ 0.28

c ≤ 0.13

Round 2

Morph & Background

High

Low

Sum

  Green on Brown

n = 4

n = 4

n = 8

c ≤ 0.53

c ≤ 0.53

c ≤ 0.31

  Brown on Green

n = 7

n = 8

n = 15

c ≤ 0.35

c ≤ 0.31

c ≤ 0.18

  Sum

n = 11

n = 12

n = 23

c ≤ 0.24

c ≤ 0.22

c ≤ 0.12

Round 1 + 2

Morph & Background

High

Low

Sum

  Green on Brown

n = 7

n = 4

n = 11

c ≤ 0.35

c ≤ 0.53

c ≤ 0.24

  Brown on Green

n = 16

n = 17

n = 33

c ≤ 0.17

c ≤ 0.16

c ≤ 0.09

  Sum

n = 23

n = 21

n = 44

c ≤ 0.012

c ≤ 0.13

c ≤ 0.07