genus
Tridacna
Tridacna is a genus in the family Cardiidae. This database currently files 10 species under it, 1 of them threatened.
- Species filed
- 10
- Threatened
- 1
- Countries recorded
- 0
- With a free photo
- 10%
- Weight range
- Not recorded
Best-known members of Tridacna
Ranked by popularity score.

Giant clam
Tridacna gigas
Maxima clam
Tridacna maxima
Giant clam
Tridacna squamosa
Derasa clam
Tridacna derasa
Boring clam
Tridacna crocea
Rosewater's giant clam
Tridacna rosewateri
Devil clam
Tridacna mbalavuana
Noah's giant clam
Tridacna noae
How threatened is Tridacna?
1 of 10 species filed here have an IUCN category on record.
| IUCN category | Species | Share of assessed |
|---|---|---|
| CRCritically Endangered | 1 | 100% |
All species in Tridacna
| Common name | Scientific name | Family | Status | Weight | Countries |
|---|---|---|---|---|---|
| Giant clam | Tridacna gigas | Cardiidae | Critically Endangered | Not recorded | Not recorded |
| Maxima clam | Tridacna maxima | Cardiidae | Not recorded | Not recorded | Not recorded |
| Giant clam | Tridacna squamosa | Cardiidae | Not recorded | Not recorded | Not recorded |
| Derasa clam | Tridacna derasa | Cardiidae | Not recorded | Not recorded | Not recorded |
| Boring clam | Tridacna crocea | Cardiidae | Not recorded | Not recorded | Not recorded |
| Rosewater's giant clam | Tridacna rosewateri | Cardiidae | Not recorded | Not recorded | Not recorded |
| Devil clam | Tridacna mbalavuana | Cardiidae | Not recorded | Not recorded | Not recorded |
| Noah's giant clam | Tridacna noae | Cardiidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Tridacna elongatissima | Cardiidae | Not recorded | Not recorded | Not recorded |
| Not recorded | Tridacna squamosina | Cardiidae | Not recorded | Not recorded | Not recorded |