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Table 3 Average proportion of times (P i) a male interfered with the male of the other morph while this was having an encounter with the female (SD: standard deviation)

From: Absence of a prezygotic behavioural barrier to gene flow between the two sympatric morphs of the squat lobster Munida gregaria (Fabricius, 1793) (Decapoda: Anomura: Galatheidae)

 

♀ reproductive condition

Trio

Number of trios with interference

Number of trios without interference

P i

SD

Treatment 1 (CL ♂ ≈ ♀)

Ovigerous

MMFG

  

0.08

0.09

MMFS

  

0.08

0.17

Non-ovigerous

MMFG

2 (1)

12

0.01

0.04

MMFS

5 (2)

9

0.04

0.09

Treatment 2 (CL ♂ > ♀)

Non-ovigerous

MMFG

4 (2)

7

0.22

0.40

MMFS

3 (2)

8

0.20

0.36

Overall

  

14 (7)

36

0.10

0.23

  1. Treatment 1: males and females of similar sizes. Treatment 2: males on average 30% carapace length (CL) larger than females. MMFG: trio formed by two males -one of each morph- and a gregaria female, MMFS: trio formed by two males -one of each morph- and a subrugosa female. The number of homotypic interferences is indicated in parenthesis