Table 1.
Summary comparison of cone complement of rodent retinas; shaded entries are nocturnal, all others are diurnal (listed in order of increasing approximate cone proportions).
| Common Name | Scientific Name | % Cones | % L/Ma Cones | % Sb Cones | References |
|---|---|---|---|---|---|
| Rat | Rattus norvegicus | 1% | 90% | 10% | Szél and Röhlich 1992 |
| Mouse | Mus musculus | 3% | * | * | Carter-Dawson and LaVail 1979 |
| Agouti | Dasyprocta aguti (also D. leporina) | 8% | 90% | 10% | Rocha et al, 2009 |
| Degu | Octodon degus | 33% | 93% | 7% | Jacobs et al. 2003 |
| Nile grass rat | Arvicanthis ansorgei | 33% | 93% | 7% | Bobu et al. 2006 |
| African grass rat | Arvicanthis niloticus | Gaillard et al. 2008 | |||
| Gray squirrel | Sciurus carolinensis | 60% |
West and Dowling 1975 Blakeslee et al. 1988 |
||
| California ground squirrel | Spermophilus beecheyi | 85% | 93% | 7% |
Long and Fisher 1983 Kryger et al. 1998 |
a
L/M cones: long (red) or middle (green) wavelength cones.
b
S cones: short (blue) wavelength cones.
*
Categorization of adult mouse cones is complicated by opsin coexpression (reviewed in Lukáts et al. 2005).