No photo available
Heavy bonnet snail
Casmaria ponderosa
Valid name (WoRMS, AphiaID 211108, checked 2026-10-31).
- English
- Heavy bonnet snail
- Scientific
- Casmaria ponderosa
- Dhivehi
- No recorded Dhivehi name
- Group
- Sea snails
- Family
- Cassidae (helmet shells)
- Depth and habitat
- Sea floor (benthic), recorded from 1 to 500 m
- IUCN status
- NE · Not EvaluatedNot Evaluated (NE)
Description
The heavy bonnet snail is a smooth, oval shell, cream to pale brown with faint bands, and a thick, toothed outer lip. It lives on sand in shallow water and hunts sea urchins.
In the Maldives
Recorded from the Maldives: museum specimens (n=2); iNaturalist research-grade observations in the Maldives (n=10, 5 observers).
Sources
- sealifebase.se /summary/Casmaria-ponderosa.html
- marinespecies.org /aphia.php?p=taxdetails&id=211108
- inaturalist.org /taxa/292191
- commons.wikimedia.org /wiki/File:Casmaria_ponderosa_ponderosa.jpg
Dhivehi name source: No species-level Dhivehi name found in Dhivehi Wikipedia, SeaLifeBase (country: Maldives) or MRS/MMRI invertebrate publications.