
Black Reef Leatherjacket
Eubalichthys bucephalus
- Usual depth48–143 m
- Water temperature16–23 °C
- Best monthsJanuary, February, and April
- How commonOccasional
Photo credit: (c) Bryce Watts-Parker, 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: 75 records
- February: 68 records
- March: 58 records
- April: 82 records
- May: 50 records
- June: 60 records
- July: 50 records
- August: 54 records
- September: 50 records
- October: 30 records
- November: 57 records
- December: 67 records
Depth and water temperature
Depth
Mostly recorded at 48–143 m · Deepest record: 204 m
Water temperature
Recorded in surface water of 16–23 °C
Photos

(c) Kai Squires, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) neilfws, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Andrew Harvey, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Hugh Chan, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Valentin Moser, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Bryce Watts-Parker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Andrew Harvey, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Black Reef Leatherjacket, Black Reef-Leatherjacket, Whitley's Leatherjacket
Names in 1 more languages
- Simplified Chinese
- 黑头锯棘单棘鲀
Other scientific names: Blandowskius bucephalus
Similar species
Deep-bodied LeatherjacketEubalichthys mosaicus
Blue-tailed LeatherjacketEubalichthys cyanoura
Black LeatherjacketEubalichthys gunnii
- 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).
- 486 open-data records from 1970 to 2006.
- Species data updated November 2, 2026.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.