Midnight Taco Slug

Thuridilla hoffae

Molluscs
IUCN: Not evaluated

Usual depth5–23 m
Water temperature25–29 °C
Best monthsJanuary, February, and September
How commonRare

All species

Photo credit: (c) Debra Baker, 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: 6 records
February: 9 records
March: 4 records
April: 5 records
May: 2 records
June: 4 records
July: 5 records
August: 2 records
September: 8 records
October: 6 records
November: 1 records
December: 1 records

Depth and water temperature

Depth

Mostly recorded at 5–23 m · Deepest record: 114 m

0–10 m: 10 records
10–20 m: 12 records
20–30 m: 2 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110–120 m: 1 records

Water temperature

Recorded in surface water of 25–29 °C

24–26 °C: 5 records
26–28 °C: 1 records
28–30 °C: 26 records

Names and classification

English: Midnight Taco Slug

Names in 2 more languages

French: Thuridille de Hoff
Japanese: アカフチミドリガイ

Similar species

Slender Sap Sucking Slug
Thuridilla gracilis
White-marked Taco Slug
Thuridilla albopustulosa
Tri-banded Taco Slug
Elysia marginata
Lettuce slug
Elysia ornata
Halimeda Taco Slug
Elysia pusilla
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.
Conservation status as published by GBIF (IUCN Red List).
46 open-data records from 1986 to 2020.
Species data updated October 26, 2026.

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