Molluscs › Scallops
Giant Rock Scallop
Crassadoma gigantea
28 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Spiny ScallopChlamys hastata
Kelp ScallopLeptopecten latiauratus
Green FalsejinglePododesmus macrochisma
European Flat OysterOstrea edulis
Pacific Calico ScallopArgopecten ventricosus
Red AbaloneHaliotis rufescens
Olympia OysterOstrea lurida
Reversed ChamaPseudochama exogyra
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 98,814 |
|---|---|
| California | 97,880 |
| British Columbia | 1,335 |
| Canada | 1,195 |
| Washington | 448 |
| Alaska | 170 |
| Oregon | 134 |
| Nevada | 12 |
| Mexico | 3 |
| Baja California | 3 |
Counts show where people looked, not only where it lives.
Traits
Physical
- Shell-bearingProtected by a hard shellFrom its classification
Group and habits
- Filter feederFeeds by filtering suspended food particles from water.From its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Molluscs · Mollusca |
| Class | Bivalves · Bivalvia |
| Order | Scallops and Allies · Pectinida |
| Family | Scallops · Pectinidae |
| Genus | Crassadoma |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Giant Rock Scallop with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.