Latticed Keyhole Limpet

About this species

Diodora lineata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.

Text from the Wikipedia article “Diodora lineata”, 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: 40 records
February: 50 records
March: 44 records
April: 50 records
May: 72 records
June: 45 records
July: 40 records
August: 49 records
September: 48 records
October: 53 records
November: 34 records
December: 28 records

Depth and water temperature

Depth

Mostly recorded at 24–27 m · Deepest record: 26.5 m

20–30 m: 2 records

Water temperature

Recorded in surface water of 16–28 °C

14–16 °C: 23 records
16–18 °C: 9 records
18–20 °C: 23 records
20–22 °C: 74 records
22–24 °C: 44 records
24–26 °C: 0 records
26–28 °C: 2 records

Photos

(c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Alesha Teitzel, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Thomas Mesaglio, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tim, some rights reserved (CC BY) · CC BY · iNaturalist
(c) James K. Douch, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

Names and classification

English: Latticed Keyhole Limpet

Other scientific names: Diodora audax, Elegidion audax, Fissurella incii, Fissurella lineata

Similar species

Diodora granifera
Cross Keynote Limpet
Diodora quadriradiata
Diodora ticaonica
Diodora crucifera
Diodora elizabethae
Diodora galeata

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).
277 open-data records from 1893 to 2013.
Species data updated November 2, 2026.