Hallaxa michaeli

Nudibranchs
IUCN: Not evaluated

Usual depth1–5 m
Water temperature14–21 °C
Best monthsSeptember, October, and December
How commonRare

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

About this species

Hallaxa michaeli is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Actinocyclidae. It is found on the southern coast of Australia.

Text from the Wikipedia article “Hallaxa michaeli”, 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: 12 records
February: 9 records
March: 11 records
April: 9 records
May: 4 records
June: 1 records
July: 3 records
August: 0 records
September: 13 records
October: 18 records
November: 9 records
December: 15 records

Depth and water temperature

Depth

Mostly recorded at 1–5 m · Deepest record: 5 m

0–10 m: 2 records

Water temperature

Recorded in surface water of 14–21 °C

12–14 °C: 1 records
14–16 °C: 13 records
16–18 °C: 0 records
18–20 °C: 2 records
20–22 °C: 1 records

Names and classification

Similar species

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).
25 open-data records from 1958 to 2017.
Species data updated November 3, 2026.

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