Field notes
Encounter profile
Identified using .
Gymnothorax javanicus - Gymnothorax is a genus of fish in the family Muraenidae found in Atlantic, Indian, and Pacific Oceans. With more than 120 species, it the most speciose genus of moray eels.
Species profile
Giant Moray
Gymnothorax javanicus
Identified using .
8
Media items
Photos and videos
6
Dives
Distinct encounters
3
Locations
2 trips
Archive ecology
Conditions where we found it
SNAP observations, not the species’ full biological range.
- Depth evidence
- 5.2–18.7m
- Median 11.6m · n=7
- Water temperature
- 25.0–28.0°C
- Median 27.0°C · n=7
Depth basis: 0 recorded, 7 profile-estimated.
Recent encounters trend shallower
The recent-half median is 10.1m shallower than the earlier-half median. This is an archive pattern, not a population conclusion.
View distributions & comparisons▾
Repeatable archive pattern · 8 observations / 6 dives
Observed depth distributionmiddle 50%: 8.3–16.1m
Calendar-quarter observations
Apr–Jun1
Jul–Sep7
Camera-clock comparison
Morning · 6Night · 2
- • These distributions describe photographs in SNAP, not a species’ complete biological range.
- • Depth distributions use recorded or capture-time profile estimates; dive-average and maximum context is excluded.
- • Time-of-day groups use the camera clock and are not corrected for sunrise, sunset, or timezone.
Creature trail
A life through time and place
#6 · Sep 25, 2026
East Friwen Wall
Raja Ampat · Asia 2026
5.3m · Estimated at capture time28.0°C
#5 · Sep 24, 2026
Mambrayup
Raja Ampat · Asia 2026
16.8m · Estimated at capture time27.0°C
#4 · Sep 24, 2026
West Mansuar
Raja Ampat · Asia 2026
11.6m · Estimated at capture time27.0°C
#3 · Sep 21, 2026
Lalosi
Raja Ampat · Asia 2026
15.4m · Estimated at capture time27.0°C
Species field guide
Notes, taxonomy, identification & seasonality
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Species field guide
Notes, taxonomy, identification & seasonality
Archive
All media records
8 media items
Optional context
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Life found nearby
Species photographed on the same dives come first, followed by close taxonomic neighbours.
Broadclub Cuttlefish
Ascarosepion latimanus
Gili Islands, Indonesia
2 shared dives
Scissor-tailed Fusilier
Caesio caerulaurea
Raja Ampat
Anna's Chromodoris
Chromodoris annae
Raja Ampat
Batangas Halgerda
Halgerda batangas
Raja Ampat
Black-margined Nudibranch
Doriprismatica atromarginata
Gili Islands, Indonesia
Coi's Goniobranchus
Goniobranchus coi
Raja Ampat