Worm-like Sea Cucumber

Leptosynapta inhaerens

Other invertebrates
IUCN: Not evaluated

Usual depth11–125 m
Water temperature6–26 °C
Best monthsMay, August, and September
How commonCommon

All species

Photo credit: (c) Vsevolod Rudyi, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Leptosynapta inhaerens is a marine species of sea cucumber that lives buried in the sand on shores.

Text from the Wikipedia article “Leptosynapta inhaerens”, 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: 118 records
February: 199 records
March: 427 records
April: 296 records
May: 488 records
June: 380 records
July: 371 records
August: 738 records
September: 450 records
October: 149 records
November: 137 records
December: 62 records

Depth and water temperature

Depth

Mostly recorded at 11–125 m · Deepest record: 3,219 m

0–10 m: 357 records
10–20 m: 109 records
20–30 m: 229 records
30–40 m: 605 records
40–50 m: 546 records
50–60 m: 155 records
60–70 m: 123 records
70–80 m: 166 records
80–90 m: 90 records
90–100 m: 79 records
100–110 m: 247 records
110+ m: 1,017 records

Water temperature

Recorded in surface water of 6–26 °C

4–6 °C: 1 records
6–8 °C: 1 records
8–10 °C: 21 records
10–12 °C: 504 records
12–14 °C: 272 records
14–16 °C: 25 records
16–18 °C: 6 records
18–20 °C: 14 records
20–22 °C: 1 records
22–24 °C: 0 records
24–26 °C: 1 records

Photos

Names and classification

English: Worm-like Sea Cucumber

Names in 2 more languages

Japanese: ホソイカリナマコ
Korean: 아기닻해삼

Other scientific names: Chiridota pinnata, Holothuria (Minyas) flava, Holothuria inhaerens, Synapta bifaria, Synapta duvernaea, Synapta girardii, Synapta henslowana, Synapta pellucida

Similar species

Leptosynapta dolabrifera
Labidoplax adriatica
Oestergrenia digitata
Snake Sea Cucumber
Synapta maculata
Lion's Paw Sea Cucumber
Euapta godeffroyi
Opheodesoma grisea
Opheodesoma spectabilis

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).
7,539 open-data records from 1776 to 2024.
Species data updated November 4, 2026.

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