Pallas' Wentletrap

Epitonium pallasi

Molluscs
IUCN: Not evaluated

Usual depth185–699 m
Water temperature21–29 °C
Best monthsSeptember and November
How commonRare

All species

Photo credit: (c) H. Zell, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 2 records
February: 2 records
March: 1 records
April: 4 records
May: 3 records
June: 3 records
July: 3 records
August: 4 records
September: 8 records
October: 4 records
November: 9 records
December: 3 records

Depth and water temperature

Depth

Mostly recorded at 185–699 m · Deepest record: 818 m

140–150 m: 1 records
150–160 m: 0 records
160–170 m: 0 records
170–180 m: 0 records
180–190 m: 1 records
190–200 m: 1 records
200–210 m: 0 records
210–220 m: 0 records
220–230 m: 0 records
230–240 m: 0 records
240–250 m: 0 records
250+ m: 10 records

Water temperature

Recorded in surface water of 21–29 °C

20–22 °C: 2 records
22–24 °C: 32 records
24–26 °C: 4 records
26–28 °C: 5 records
28–30 °C: 22 records

Names and classification

English: Pallas' Wentletrap

Names in 2 more languages

Korean: 굵은실꾸리고둥
Simplified Chinese: 鍬形海螄螺

Other scientific names: Epitonium notha, Epitonium subpretiosum, Scalaria ferruginea, Scalaria nicobarica, Scalaria notha, Scalaria pallasi, Scalaria subpretiosa, Viciniscala pallasi, Viciniscala subpretiosa

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).
116 open-data records from 1959 to 2012.
Species data updated October 30, 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.

Join the waitlist