Hydroid Lomanotus

About this species

Lomanotus vermiformis is a species of sea slug, a marine gastropod mollusk in the family Lomanotidae.

Text from the Wikipedia article “Lomanotus vermiformis”, 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: 13 records
February: 11 records
March: 15 records
April: 11 records
May: 11 records
June: 20 records
July: 13 records
August: 19 records
September: 33 records
October: 23 records
November: 23 records
December: 21 records

Depth and water temperature

Depth

Mostly recorded at 1–12 m · Deepest record: 18 m

0–10 m: 15 records
10–20 m: 4 records

Water temperature

Recorded in surface water of 22–29 °C

20–22 °C: 1 records
22–24 °C: 1 records
24–26 °C: 16 records
26–28 °C: 3 records
28–30 °C: 13 records

Photos

(c) Jakkarin Burananit, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tine Kinn Kvamme, some rights reserved (CC BY) · CC BY · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Tine Kinn Kvamme, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Hydroid Lomanotus

Names in 2 more languages

French: Lomanotus vermiforme
Japanese: ゼンチュウウミウシ

Other scientific names: Lomanotus stauberi

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).
64 open-data records from 1975 to 2026.
Species data updated October 30, 2026.