Yellow elysia

Elysia flava

Molluscs
IUCN: Not evaluated

Usual depth4–18 m
Water temperature19–29 °C
Best monthsAugust
How commonRare

All species

Photo credit: (c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 10 records
February: 7 records
March: 4 records
April: 6 records
May: 7 records
June: 6 records
July: 8 records
August: 19 records
September: 5 records
October: 2 records
November: 7 records
December: 4 records

Depth and water temperature

Depth

Mostly recorded at 4–18 m · Deepest record: 27.4 m

0–10 m: 5 records
10–20 m: 9 records
20–30 m: 1 records

Water temperature

Recorded in surface water of 19–29 °C

18–20 °C: 1 records
20–22 °C: 0 records
22–24 °C: 0 records
24–26 °C: 1 records
26–28 °C: 2 records
28–30 °C: 22 records

Photos

Names and classification

English: Yellow elysia, yellow elysia

Names in 1 more languages

French: Elysie jaune

Similar species

Tri-banded Taco Slug
Elysia marginata
Lettuce slug
Elysia ornata
Halimeda Taco Slug
Elysia pusilla
Elysia nigropunctata
Furry Taco Slug
Elysia tomentosa
Elysia mercieri

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).
43 open-data records from 1986 to 2012.
Species data updated October 26, 2026.

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