Brown Sandfish

Bohadschia marmorata

Other invertebrates
IUCN: Data deficient

Usual depth1–35 m
Water temperature21–29 °C
Best monthsMarch, April, and May
How commonOccasional

Photo credit: (c) François Michonneau, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Bohadschia marmorata, commonly known as the brown sandfish or chalky cucumber, is a species of sea cucumber in the family Holothuriidae. It lives on the seabed in shallow waters in the Indo-Pacific region.

Text from the Wikipedia article “Bohadschia marmorata”, 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: 11 records
February: 12 records
March: 21 records
April: 20 records
May: 17 records
June: 17 records
July: 10 records
August: 7 records
September: 15 records
October: 11 records
November: 13 records
December: 5 records

Depth and water temperature

Depth

Mostly recorded at 1–35 m · Deepest record: 208 m

0–10 m: 9 records
10–20 m: 4 records
20–30 m: 0 records
30–40 m: 3 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 1 records

Water temperature

Recorded in surface water of 21–29 °C

20–22 °C: 1 records
22–24 °C: 0 records
24–26 °C: 3 records
26–28 °C: 15 records
28–30 °C: 42 records

Photos

Names and classification

English: Brown Sandfish, Chalky Cucumber

Names in 2 more languages

Thai: ปลิงเทา
Simplified Chinese: 褐斑白尼參

Other scientific names: Holothuria (Holothuria) marmorata, Sporadipus (Colpochirota) ualanensis

Similar species

Holothurie léopard
Bohadschia argus
Brown Sandfish
Bohadschia vitiensis
Black beauty
Holothuria atra
Brown Beauty
Actinopyga echinites
Surf Redfish
Actinopyga mauritiana
Plump Sea Cucumber
Actinopyga obesa

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).
142 open-data records from 1833 to 2022.
Species data updated October 26, 2026.

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