Iophon minor

Other invertebrates
IUCN: Not evaluated

Usual depth14–102 m
Water temperature9–18 °C
Best monthsJanuary
How commonRare

All species

Photo credit: (c) Shaun Lee, 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: 41 records
February: 17 records
March: 21 records
April: 20 records
May: 21 records
June: 4 records
July: 18 records
August: 2 records
September: 5 records
October: 7 records
November: 5 records
December: 4 records

Depth and water temperature

Depth

Mostly recorded at 14–102 m · Deepest record: 173 m

0–10 m: 1 records
10–20 m: 16 records
20–30 m: 6 records
30–40 m: 2 records
40–50 m: 0 records
50–60 m: 15 records
60–70 m: 30 records
70–80 m: 1 records
80–90 m: 6 records
90–100 m: 3 records
100–110 m: 2 records
110+ m: 9 records

Water temperature

Recorded in surface water of 9–18 °C

8–10 °C: 4 records
10–12 °C: 4 records
12–14 °C: 6 records
14–16 °C: 12 records
16–18 °C: 72 records
18–20 °C: 3 records

Photos

Names and classification

Other scientific names: Iophonopsis minor

Similar species

Yellow-fingered horny sponge
Iophon nigricans
Iophon laevistylus
Iophon omnivorus
Iophon proximum
Acarnus bergquistae
Acarnus caledoniensis

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).
115 open-data records from 1914 to 2025.
Species data updated November 3, 2026.

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