Gafrarium tumidum

Molluscs
IUCN: Not evaluated

Usual depth1–4 m
Water temperature16–30 °C
Best monthsJune, July, and August
How commonRare

All species

Photo credit: (c) Marie HENNION, 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: 18 records
February: 22 records
March: 12 records
April: 21 records
May: 20 records
June: 33 records
July: 24 records
August: 32 records
September: 23 records
October: 21 records
November: 21 records
December: 24 records

Depth and water temperature

Depth

Mostly recorded at 1–4 m · Deepest record: 4 m

0–10 m: 8 records

Water temperature

Recorded in surface water of 16–30 °C

14–16 °C: 1 records
16–18 °C: 0 records
18–20 °C: 0 records
20–22 °C: 0 records
22–24 °C: 0 records
24–26 °C: 15 records
26–28 °C: 5 records
28–30 °C: 51 records

Photos

(c) Andrey Butko , some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Lozouet Pierre, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Lozouet Pierre, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Kristof Zyskowski, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Doreen, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Boson, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Names in 1 more languages

Japanese: アラスジケマンガイ

Other scientific names: Cytherea gibbia, Cytherea menkei, Cytherea ranella, Gafrarium (Gafrarium) tumidum, Gafrarium angulatum

Similar species

Comb Circe
Gafrarium pectinatum
Discrepant Venus
Gafrarium dispar
Forked venus
Gafrarium divaricatum
Camp pitar-venus
Lioconcha castrensis
Lioconcha ornata
Reticulated venus
Periglypta reticulata

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).
202 open-data records from 1798 to 2012.
Species data updated October 30, 2026.

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