How does the bay scallop see?
The bay scallop (Argopecten irradians) is a mollusc in the order Pectinida. Its eyes belong to the vision type Primitive and mirror eyes.
Measured in this species: colour. Measured colour or sharpness: a measured receptor set or acuity in this species; other dials come from relatives or group defaults. Every value below carries its evidence level and sources; nothing is typed by hand.
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What stands out
- It has one receptor class for colour, so it sees brightness but no hue.
The six dials
Evidence levels: how the tiers work. "Measured" means a value measured in this species; "Estimated" values come from a close relative or an eye-size formula.
| Dial | Value | Evidence | Sources |
|---|---|---|---|
| Colour | Colour receptors 1 receptor class: 500 nm (MWS (green)) measured in this species | Measured (not re-verified) | [1] |
| Sharpness | No value in the catalogue. | ||
| Field of view | No value in the catalogue. | ||
| Sharp zones (foveas) | No value in the catalogue. | ||
| Night vision | Rods vs cones no rods (invertebrate photoreceptors) | Group default | |
| Motion (flicker fusion) | No value in the catalogue. | ||
Related animals
- Great Atlantic scallop same vision type
- Box jellyfish same vision type
More molluscs: all molluscs with measured vision data.
Sources
- Values stated in abstracts of PMC OA papers: 10.1085/jgp.54.5.636; 10.1007/s00114-021-01774-6; 10.1085/jgp.56.3.392; 10.1085/jgp.66.2.193; 10.1085/jgp.37.6.825; 10.1085/jgp.51.2.125. doi.org/10.1085/jgp.54.5.636
Every value cites its sources (all sources). Data: catalogue-v1, built 2026-09-29. Accuracy notes: how accurate is this?