Halimeda Taco Slug
Elysia pusilla
- Usual depth3–17 m
- Water temperature20–30 °C
- Best monthsMarch, July, and September
- How commonOccasional
Photo credit: (c) Dan Schofield, some rights reserved (CC BY), uploaded by Dan Schofield · CC BY · iNaturalist
About this species
Elysia pusilla is a species of small sea slug, a marine gastropod mollusk in the family Plakobranchidae. It is a sacoglossan.
Text from the Wikipedia article “Elysia pusilla”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 41 records
- February: 35 records
- March: 76 records
- April: 62 records
- May: 57 records
- June: 57 records
- July: 82 records
- August: 60 records
- September: 88 records
- October: 63 records
- November: 53 records
- December: 47 records
Depth and water temperature
Depth
Mostly recorded at 3–17 m · Deepest record: 45.7 m
Water temperature
Recorded in surface water of 20–30 °C
Photos
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Lisa Biasillo, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Lisa Biasillo, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Thomas Irvine, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Thomas Irvine, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
- English
- Halimeda Taco Slug
Names in 4 more languages
- Spanish
- Elysia plana
- French
- Elysie naine
- Japanese
- ウチワミドリガイ
- Simplified Chinese
- 微小平鰓海天牛
Other scientific names: Elysia halimedae, Elysiella pusilla
Similar species
Tri-banded Taco SlugElysia marginata
Lettuce slugElysia ornata
Yellow elysiaElysia flava
Furry Taco SlugElysia tomentosa
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).
- 243 open-data records from 1972 to 2026.
- Species data updated October 26, 2026.
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