Haplosyllis spongicola

Other invertebrates
IUCN: Not evaluated

Usual depth2–340 m
Water temperature9–30 °C
Best monthsJune and August
How commonOccasional

About this species

Haplosyllis spongicola, the sponge worm, is a species of polychaete worm in the family Syllidae. It was previously classified as Syllis spongicola and is part of a species complex of closely related species that are difficult to distinguish morphologically and where the demarcation between them is unclear. It is found in shallow temperate, subtropical and tropical seas worldwide, wherever its host sponges are found.

Text from the Wikipedia article “Haplosyllis spongicola”, 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: 89 records
February: 56 records
March: 26 records
April: 61 records
May: 67 records
June: 165 records
July: 133 records
August: 242 records
September: 138 records
October: 57 records
November: 39 records
December: 28 records

Depth and water temperature

Depth

Mostly recorded at 2–340 m · Deepest record: 1,175 m

0–10 m: 240 records
10–20 m: 92 records
20–30 m: 70 records
30–40 m: 108 records
40–50 m: 48 records
50–60 m: 113 records
60–70 m: 52 records
70–80 m: 16 records
80–90 m: 16 records
90–100 m: 8 records
100–110 m: 3 records
110+ m: 252 records

Water temperature

Recorded in surface water of 9–30 °C

8–10 °C: 113 records
10–12 °C: 21 records
12–14 °C: 235 records
14–16 °C: 13 records
16–18 °C: 7 records
18–20 °C: 111 records
20–22 °C: 23 records
22–24 °C: 37 records
24–26 °C: 144 records
26–28 °C: 137 records
28–30 °C: 45 records

Names and classification

Names in 1 more languages

Japanese: カイメンシリス

Other scientific names: Eusyllis setubalensis, Haplosyllis (Syllis) hamata, Haplosyllis hamata, Haplosyllis maderensis, Haplosyllis oligochaeta, Haplosyllis palpata, Hemisyllis dispar, Nereis teticola, Syllis (Haplosyllis) hamata, Syllis (Haplosyllis) spongicola, Syllis hamata, Syllis oligochaeta, Syllis setubalensis, Syllis spongicola

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).
1,485 open-data records from 1855 to 2023.

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