Jacksonaster depressum

Other invertebrates
IUCN: Not evaluated

Usual depth2–125 m
Water temperature20–30 °C
Best monthsApril, June, and October
How commonOccasional

All species

Photo credit: (c) Chris Oldnall, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 21 records
February: 39 records
March: 44 records
April: 79 records
May: 37 records
June: 68 records
July: 48 records
August: 32 records
September: 37 records
October: 49 records
November: 36 records
December: 30 records

Depth and water temperature

Depth

Mostly recorded at 2–125 m · Deepest record: 2,021 m

0–10 m: 44 records
10–20 m: 26 records
20–30 m: 10 records
30–40 m: 6 records
40–50 m: 4 records
50–60 m: 3 records
60–70 m: 2 records
70–80 m: 0 records
80–90 m: 1 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 11 records

Water temperature

Recorded in surface water of 20–30 °C

20–22 °C: 5 records
22–24 °C: 2 records
24–26 °C: 68 records
26–28 °C: 45 records
28–30 °C: 132 records

Photos

(c) avocat, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Paulius Rupšas, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Suushathet, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) Angel Rose, some rights reserved (CC BY) · CC BY · iNaturalist
(c) River Ahlquist, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Other scientific names: Jacksonaster conchatus, Laganum attenuatum, Laganum conchatum, Laganum depressum, Laganum dyscritum, Laganum ellipticum, Laganum sinaiticum, Laganum tumidum

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.
Conservation status as published by GBIF (IUCN Red List).
269 open-data records from 1841 to 2018.
Species data updated October 26, 2026.

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