Austral scallop

About this species

Mimachlamys asperrima, common name the austral scallop, doughboy, doughboy scallop, fan shell, or prickly scallop, is a species of scallop, a marine bivalve mollusc in the family Pectinidae, the scallops.

Text from the Wikipedia article “Mimachlamys asperrima”, 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: 260 records
February: 186 records
March: 196 records
April: 132 records
May: 142 records
June: 99 records
July: 93 records
August: 128 records
September: 165 records
October: 156 records
November: 169 records
December: 170 records

Depth and water temperature

Depth

Mostly recorded at 0–10 m · Deepest record: 213.2 m

0–10 m: 212 records
10–20 m: 9 records
20–30 m: 4 records
30–40 m: 5 records
40–50 m: 2 records
50–60 m: 1 records
60–70 m: 1 records
70–80 m: 1 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 2 records

Water temperature

Recorded in surface water of 14–26 °C

12–14 °C: 54 records
14–16 °C: 187 records
16–18 °C: 47 records
18–20 °C: 41 records
20–22 °C: 26 records
22–24 °C: 9 records
24–26 °C: 1 records

Photos

(c) Annika Lindqvist, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Eldon E Ball, some rights reserved (CC BY) · CC BY · iNaturalist
(c) pimelea, some rights reserved (CC BY) · CC BY · iNaturalist
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Christopher Mark, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Bryce Watts-Parker, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Austral scallop, Doughboy scallop, Prickly scallop, austral scallop, doughboy scallop, prickly scallop

Names in 2 more languages

German: Stachlige Kammuschel, Südliche Kammmuschel
Japanese: ミナミノニシキ

Other scientific names: Chlamys asperrimus, Mimachlamys australis, Ostrea matonii, Pecten antiaustralis, Pecten asperrimus, Pecten australis

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).
1,467 open-data records from 1866 to 2025.
Species data updated November 4, 2026.