Boccardia acus

About this species

Boccardia acus is a species of annelid worm from the family Spionidae.

Text from the Wikipedia article “Boccardia acus”, 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: 1 records
February: 6 records
March: 1 records
April: 2 records
May: 2 records
June: 2 records
July: 2 records
August: 9 records
September: 15 records
October: 9 records
November: 3 records
December: 4 records

Depth and water temperature

Depth

Mostly recorded at 0–1 m · Deepest record: 2 m

0–10 m: 11 records

Water temperature

Recorded in surface water of 9–18 °C

8–10 °C: 1 records
10–12 °C: 2 records
12–14 °C: 1 records
14–16 °C: 6 records
16–18 °C: 5 records

Photos

(c) Saryu Mae 前朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前朝琉 · CC BY · iNaturalist
(c) Stephen Thorpe, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Stephen Thorpe, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Other scientific names: Boccardia (Paraboccardia) acus, Paraboccardia acus

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).
27 open-data records from 1965 to 1992.
Species data updated October 31, 2026.