Mathilda decorata

Molluscs
IUCN: Not evaluated

Usual depth300–593 m
Water temperature16–26 °C
Best monthsMarch, October, and December
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 0 records
February: 1 records
March: 3 records
April: 0 records
May: 0 records
June: 2 records
July: 2 records
August: 2 records
September: 1 records
October: 3 records
November: 1 records
December: 3 records

Depth and water temperature

Depth

Mostly recorded at 300–593 m · Deepest record: 592.5 m

300–310 m: 1 records
310–320 m: 1 records
320–330 m: 0 records
330–340 m: 0 records
340–350 m: 0 records
350–360 m: 0 records
360–370 m: 0 records
370–380 m: 1 records
380–390 m: 0 records
390–400 m: 0 records
400–410 m: 0 records
410+ m: 6 records

Water temperature

Recorded in surface water of 16–26 °C

16–18 °C: 7 records
18–20 °C: 11 records
20–22 °C: 18 records
22–24 °C: 6 records
24–26 °C: 8 records
26–28 °C: 1 records

Names and classification

Other scientific names: Mathildona euglypta, Opimilda decorata

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).
57 open-data records from 1898 to 1986.
Species data updated November 4, 2026.

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