How other see
9 other have at least one vision value measured in the species itself. The ranges below use measured values only.
- Colour receptor classes, measured in 4 species: 1 to 4.
- Acuity, measured in 1 species: 0.23 to 0.23 cycles per degree.
- Flicker fusion, measured in 6 species: 0.7 to 32.5 Hz.
Measured values by dial
| Dial | Species with a measured value |
|---|---|
| Colour | 4 |
| Sharpness | 1 |
| Field of view | 0 |
| Sharp zones (foveas) | 0 |
| Night vision | 0 |
| Motion (flicker fusion) | 6 |
Vision types in this group
- : 8 species
- Primitive and mirror eyes: 1 species
All other with pages
| Species | Measured dials | Vision type |
|---|---|---|
| Box jellyfish Tripedalia cystophora | colour, motion (flicker fusion) | Primitive and mirror eyes |
| Horseshoe crab Limulus polyphemus | colour, sharpness | |
| Australian lungfish Neoceratodus forsteri | colour | |
| Coelacanth Latimeria chalumnae | colour | |
| Crown-of-thorns starfish Acanthaster planci | motion (flicker fusion) | |
| Fan_worm Acromegalomma vesiculosum | motion (flicker fusion) | |
| Scale worm (Harmothoe imbricata) Harmothoe imbricata | motion (flicker fusion) | |
| Scale worm (Lepidonotus squamatus) Lepidonotus squamatus | motion (flicker fusion) | |
| Sea worm Torrea candida | motion (flicker fusion) |