Iophon laevistylus

Other invertebrates
IUCN: Not evaluated

Usual depth40–114 m
Water temperature-2–18 °C
Best monthsJanuary
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 44 records
February: 9 records
March: 2 records
April: 2 records
May: 0 records
June: 8 records
July: 20 records
August: 1 records
September: 1 records
October: 2 records
November: 2 records
December: 2 records

Depth and water temperature

Depth

Mostly recorded at 40–114 m · Deepest record: 1,051 m

0–10 m: 2 records
10–20 m: 0 records
20–30 m: 2 records
30–40 m: 0 records
40–50 m: 21 records
50–60 m: 13 records
60–70 m: 29 records
70–80 m: 7 records
80–90 m: 5 records
90–100 m: 0 records
100–110 m: 5 records
110+ m: 11 records

Water temperature

Recorded in surface water of -2–18 °C

-2–0 °C: 2 records
0–2 °C: 0 records
2–4 °C: 0 records
4–6 °C: 3 records
6–8 °C: 0 records
8–10 °C: 0 records
10–12 °C: 1 records
12–14 °C: 12 records
14–16 °C: 3 records
16–18 °C: 72 records
18–20 °C: 11 records

Names and classification

Other scientific names: Iophon major, Iophonopsis major

Similar species

Yellow-fingered horny sponge
Iophon nigricans
Iophon minor
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).
114 open-data records from 1910 to 2020.
Species data updated November 3, 2026.

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