
Black Leatherjacket
Eubalichthys gunnii
- Usual depth5–33 m
- Water temperature14–23 °C
- Best monthsJanuary, March, and December
- How commonRare
Photo credit: (c) Christopher Mark, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 43 records
- February: 37 records
- March: 46 records
- April: 19 records
- May: 40 records
- June: 41 records
- July: 6 records
- August: 8 records
- September: 10 records
- October: 15 records
- November: 30 records
- December: 51 records
Depth and water temperature
Depth
Mostly recorded at 5–33 m · Deepest record: 62 m
Water temperature
Recorded in surface water of 14–23 °C
Photos

(c) Lawrence Hylton, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Christopher Mark, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Black Leatherjacket, Dark Brown Leatherjacket, Dark-Brown Leatherjacket, Gunn's Leatherjacket, Velvet Leatherjacket
Other scientific names: Monacanthus gunnii
Similar species
Black Reef LeatherjacketEubalichthys bucephalus
Deep-bodied LeatherjacketEubalichthys mosaicus
Blue-tailed LeatherjacketEubalichthys cyanoura
- Blue-finned Leatherjacket
Eubalichthys caeruleoguttatus
- Fourspine Leatherjacket
Eubalichthys quadrispinis
LeatherjacketAluterus monoceros
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).
- 280 open-data records from 1948 to 2009.
- Species data updated November 2, 2026.
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