Cycloscala hyalina

Molluscs
IUCN: Not evaluated

Usual depth8–495 m
Water temperature17–29 °C
Best monthsAugust and September
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 1 records
February: 1 records
March: 7 records
April: 2 records
May: 5 records
June: 4 records
July: 1 records
August: 16 records
September: 10 records
October: 6 records
November: 9 records
December: 1 records

Depth and water temperature

Depth

Mostly recorded at 8–495 m · Deepest record: 1,200 m

0–10 m: 6 records
10–20 m: 4 records
20–30 m: 1 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 1 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 3 records
100–110 m: 1 records
110+ m: 26 records

Water temperature

Recorded in surface water of 17–29 °C

16–18 °C: 2 records
18–20 °C: 1 records
20–22 °C: 16 records
22–24 °C: 8 records
24–26 °C: 24 records
26–28 °C: 24 records
28–30 °C: 5 records

Names and classification

Names in 2 more languages

Japanese: クルイイトカケ
Korean: 벌레실꾸리고둥

Other scientific names: Epitonium hyalinum, Epitonium jacobiscala, Scalaria hyalina, Scalaria paucilobata, Solvaclathrus jacobiscala

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).
83 open-data records from 1904 to 2011.
Species data updated November 1, 2026.

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