
Blue-lined Leatherjacket
Meuschenia galii
- Usual depth2–13 m
- Water temperature16–23 °C
- Best monthsJanuary, March, and December
- How commonOccasional
Photo credit: (c) leonie_rennie, 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: 80 records
- February: 52 records
- March: 84 records
- April: 49 records
- May: 59 records
- June: 17 records
- July: 28 records
- August: 51 records
- September: 47 records
- October: 26 records
- November: 34 records
- December: 72 records
Depth and water temperature
Depth
Mostly recorded at 2–13 m · Deepest record: 37 m
Water temperature
Recorded in surface water of 16–23 °C
Photos

(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Josh Nitschke, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Grady Duffy, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) ttsquid, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Grady Duffy, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Josh Nitschke, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Belinda Forbes, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Blue-lined Leatherjacket, Bluelined Leatherjacket, Gale's Leatherjacket, Gal's Leatherjacket
Other scientific names: Pseudomonacanthus galii
Similar species
Cosmopolitan LeatherjacketMeuschenia scabra
Brown-striped LeatherjacketMeuschenia australis
Orange-tailed LeatherjacketMeuschenia flavolineata
Xix-spined leatherjacketMeuschenia freycineti
Horse-shoe LeatherjacketMeuschenia hippocrepis
Yellowfin LeatherjacketMeuschenia trachylepis
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).
- 636 open-data records from 1921 to 2023.
- Species data updated November 4, 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.