Table 1.

The maximum number of fast muscle fibres (FNmax) in Arctic charr morphs from Thingvallavatn

MorphNumber of fishFNmax
Dwarf benthic (DB)86.97×104±4.22×103
Large benthic (LB)81.14×105±3.10×103
Planktivorous (PL)29.15×104
Piscivorous (PI)121.30×105±4.96×103
LB and PI combined201.23×105±3.63×103***
  • Values represent means ± s.e.m.

  • *** Significant difference from the DB morph at the P<0.001 level (one-way ANOVA)