Blue-finned Leatherjacket

Eubalichthys caeruleoguttatus

Fish
IUCN: Data deficient

Usual depth28–87 m
Water temperature19–29 °C
Best monthsSeptember and October
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 14 records
February: 7 records
March: 9 records
April: 10 records
May: 12 records
June: 19 records
July: 7 records
August: 32 records
September: 74 records
October: 104 records
November: 26 records
December: 1 records

Depth and water temperature

Depth

Mostly recorded at 28–87 m · Deepest record: 205 m

0–10 m: 1 records
10–20 m: 0 records
20–30 m: 36 records
30–40 m: 63 records
40–50 m: 55 records
50–60 m: 36 records
60–70 m: 31 records
70–80 m: 24 records
80–90 m: 15 records
90–100 m: 4 records
100–110 m: 4 records
110+ m: 14 records

Water temperature

Recorded in surface water of 19–29 °C

18–20 °C: 3 records
20–22 °C: 5 records
22–24 °C: 30 records
24–26 °C: 17 records
26–28 °C: 268 records
28–30 °C: 3 records

Names and classification

English: Blue-finned Leatherjacket, Blue-spotted Leatherjacket, Bluespotted Leatherjacket

Other scientific names: Eubalichthys fuscosinus

Similar species

Black Reef Leatherjacket
Eubalichthys bucephalus
Deep-bodied Leatherjacket
Eubalichthys mosaicus
Blue-tailed Leatherjacket
Eubalichthys cyanoura
Black Leatherjacket
Eubalichthys gunnii
Fourspine Leatherjacket
Eubalichthys quadrispinis
Leatherjacket
Aluterus 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).
344 open-data records from 1958 to 2017.
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.

Join the waitlist