Brittle horny sponge

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 276 records
February: 58 records
March: 123 records
April: 777 records
May: 1,098 records
June: 1,210 records
July: 1,657 records
August: 1,920 records
September: 1,326 records
October: 548 records
November: 144 records
December: 85 records

Depth and water temperature

Depth

Mostly recorded at 6–34 m · Deepest record: 389.9 m

0–10 m: 1,729 records
10–20 m: 2,713 records
20–30 m: 1,362 records
30–40 m: 275 records
40–50 m: 249 records
50–60 m: 215 records
60–70 m: 20 records
70–80 m: 16 records
80–90 m: 11 records
90–100 m: 13 records
100–110 m: 6 records
110+ m: 7 records

Water temperature

Recorded in surface water of 4–27 °C

2–4 °C: 1 records
4–6 °C: 0 records
6–8 °C: 0 records
8–10 °C: 2 records
10–12 °C: 339 records
12–14 °C: 551 records
14–16 °C: 6 records
16–18 °C: 0 records
18–20 °C: 2 records
20–22 °C: 8 records
22–24 °C: 0 records
24–26 °C: 0 records
26–28 °C: 1 records

Photos

(c) Harrison J Elkins, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Bernard Picton, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Bernard Picton, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Steven Farquhar, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Rebekah Bajkó, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Ian Creasey, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Brittle horny sponge, Goose bump sponge, Goosebump sponge, brittle horny sponge, goose bump sponge, goosebump sponge

Names in 3 more languages

German: Feiner Stachelschwamm
French: éponge friable, éponge mie de pain mouillée, Eponge mie de pan mouillée, éponge mie de pan mouillée
Japanese: ツチイロカイメン

Other scientific names: Duseideia fragilis, Dysidea coriacea, Spongelia fistularis, Spongelia fragilis, Spongia fragilis

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.
Conservation status as published by GBIF (IUCN Red List).
11,573 open-data records from 1814 to 2024.
Species data updated November 2, 2026.