Crumb-of-bread sponge

About this species

The crumb-of-bread sponge is a species of sea sponge in the class Demospongiae.

Text from the Wikipedia article “Crumb-of-bread sponge”, 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: 270 records
February: 243 records
March: 347 records
April: 577 records
May: 721 records
June: 940 records
July: 1,009 records
August: 1,006 records
September: 868 records
October: 299 records
November: 137 records
December: 96 records

Depth and water temperature

Depth

Mostly recorded at 1–21 m · Deepest record: 177 m

0–10 m: 572 records
10–20 m: 315 records
20–30 m: 102 records
30–40 m: 11 records
40–50 m: 1 records
50–60 m: 2 records
60–70 m: 0 records
70–80 m: 1 records
80–90 m: 4 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 10–27 °C

8–10 °C: 2 records
10–12 °C: 214 records
12–14 °C: 420 records
14–16 °C: 2 records
16–18 °C: 13 records
18–20 °C: 22 records
20–22 °C: 2 records
22–24 °C: 0 records
24–26 °C: 2 records
26–28 °C: 24 records

Photos

(c) Adele SL, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Nick Butcher, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tony Rebelo, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Nicola van Berkel, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Maeve Hall, some rights reserved (CC BY) · CC BY · iNaturalist
(c) John Hepburn, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Clément Maouche, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Crumb-of-bread sponge, crumb-of-bread sponge

Names in 2 more languages

German: Blutschwamm, Hornkieselschwamm
Japanese: ダイダイイソカイメン, チョウウスカワカイメン

Other scientific names: Amorphina fallax, Axinella cristagalli, Halichondria caruncula, Halichondria macularis, Halichondria sanguinea, Hymeniacidon aldousii, Hymeniacidon aurea, Hymeniacidon caruncula, Hymeniacidon consimilis, Hymeniacidon hillieri, Hymeniacidon mammeata, Hymeniacidon medius, Hymeniacidon perleve, Hymeniacidon radiosa, Hymeniacidon sanguinea, Hymeniacidon sinapium, Hymeniacidon virgulatus, Hymeniacidon viridans, Isodictya uniformis, Polymastia mammeata, Raphiodesma simplissima, Reniera uniformis, Spongia aurea, Spongia perlevis, Spongia sanguinea, Stylinos uniformis, Stylotella simplissima, Stylotella uniformis, Suberites paludum

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).
6,569 open-data records from 1915 to 2024.
Species data updated November 3, 2026.