Crassa Elongated Shell
Saccella crassa
- Usual depth0–7 m
- Water temperature14–24 °C
- Best monthsMarch, August, and October
- How commonRare
Photo credit: (c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 10 records
- February: 21 records
- March: 30 records
- April: 7 records
- May: 4 records
- June: 11 records
- July: 6 records
- August: 39 records
- September: 7 records
- October: 46 records
- November: 4 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 0–7 m · Deepest record: 36.6 m
Water temperature
Recorded in surface water of 14–24 °C
Photos
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Crassa Elongated Shell, Heavy Nut Shell, Illepeda Elongate Nut Shell
Other scientific names: Leda chuva, Leda hanleyi, Nucula crassa, Nuculana (Saccella) crassa, Nuculana crassa, Scaeoleda crassa
Similar species
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Conservation status as published by GBIF (IUCN Red List).
- 435 open-data records from 1928 to 2017.
- Species data updated November 6, 2026.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.