Nassarius dorsatus

About this species

Nassarius dorsatus, common name the channeled nassa, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.

Text from the Wikipedia article “Nassarius dorsatus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 13 records
February: 15 records
March: 28 records
April: 22 records
May: 30 records
June: 75 records
July: 53 records
August: 55 records
September: 55 records
October: 62 records
November: 25 records
December: 33 records

Depth and water temperature

Depth

Mostly recorded at 1–31 m · Deepest record: 31 m

0–10 m: 2 records
10–20 m: 0 records
20–30 m: 3 records
30–40 m: 2 records

Water temperature

Recorded in surface water of 15–30 °C

14–16 °C: 1 records
16–18 °C: 0 records
18–20 °C: 0 records
20–22 °C: 0 records
22–24 °C: 46 records
24–26 °C: 45 records
26–28 °C: 107 records
28–30 °C: 121 records

Photos

(c) Oliver S., some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tony Eales, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Matt B, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Matt B, some rights reserved (CC BY) · CC BY · iNaturalist
(c) David Thompson, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Other scientific names: Arcularia dorsata, Buccinum dorsatum, Buccinum trifasciatum, Buccinum unicolorum, Bullia cinerea, Nassa (Alectrion) pallidula, Nassa (Alectrion) rutilans, Nassa (Alectrion) unicolor, Nassa (Zeuxis) pallidula, Nassa (Zeuxis) unicolor, Nassa dorsata, Nassa laevis, Nassa livida, Nassa nitidula, Nassa pallidula, Nassa rutilans, Nassa trifasciata, Nassa unicolor, Nassa unicolorata, Nassarius (Zeuxis) dorsatus, Nassarius (Zeuxis) unicolor, Nassarius unicolor, Tarazeuxis unicolorus, Zeuxis dorsatus

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.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
513 open-data records from 1798 to 2015.
Species data updated November 4, 2026.