Elysia timida

About this species

Elysia timida is a species of sacoglossan sea slug, a marine opisthobranch gastropod mollusk. Found in the Mediterranean and nearby parts of the Atlantic, it is herbivorous, feeding on various algae in shallow water.

Text from the Wikipedia article “Elysia timida”, 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: 62 records
February: 116 records
March: 79 records
April: 150 records
May: 226 records
June: 377 records
July: 378 records
August: 202 records
September: 201 records
October: 82 records
November: 76 records
December: 48 records

Depth and water temperature

Depth

Mostly recorded at 2–16 m · Deepest record: 15.5 m

0–10 m: 3 records
10–20 m: 5 records

Water temperature

Recorded in surface water of 17–29 °C

16–18 °C: 8 records
18–20 °C: 29 records
20–22 °C: 67 records
22–24 °C: 0 records
24–26 °C: 15 records
26–28 °C: 4 records
28–30 °C: 1 records

Photos

(c) Fish and Dive, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Fish and Dive, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Lasse R, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Chris Taklis, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Jessica, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Chris Taklis, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Lukas Zangl, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Names in 1 more languages

French: Elysie timide

Other scientific names: Acteon elegans, Elysia fusca, Notarchus timidus

Similar species

Tri-banded Taco Slug
Elysia marginata
Lettuce slug
Elysia ornata
Halimeda Taco Slug
Elysia pusilla
Elysia asbecki
Elysia degeneri
Yellow elysia
Elysia flava

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).
311 open-data records from 1984 to 2023.
Species data updated November 2, 2026.