Statistical summary of microspectrophotometric results obtained from all study species
Species
.
Number of individual crabs sampled
.
Number of rhabdoms sampled
.
λmax (nm)
.
λmax of fit to average curve
.
Uca pugnax
3
11
513.1±2.8
521
Uca pugilator
3
7
520.3±2.1
525
Uca vomeris
1
8
502.2±4.3
508
Uca tangeri
4
13
528.0±4.8
530
Species
.
Number of individual crabs sampled
.
Number of rhabdoms sampled
.
λmax (nm)
.
λmax of fit to average curve
.
Uca pugnax
3
11
513.1±2.8
521
Uca pugilator
3
7
520.3±2.1
525
Uca vomeris
1
8
502.2±4.3
508
Uca tangeri
4
13
528.0±4.8
530
Data are taken from difference spectra for photobleaching of individual photoreceptors, fitted to templates(Stavenga et al., 1993) as described in the text. λmax is given as the mean ±s.e.m.