Field notes
Encounter profile
Manually classified in SNAP.
Achaeus japonicus - Achaeus - A marine genus.
Species profile
Orangutan Crab
Achaeus japonicus
Manually classified in SNAP.
8
Media items
Photos and videos
5
Dives
Distinct encounters
4
Locations
1 trip
Archive ecology
Conditions where we found it
SNAP observations, not the species’ full biological range.
- Depth evidence
- 5.4–14.5m
- Median 14.2m · n=3
- Water temperature
- 23.0–28.0°C
- Median 27.0°C · n=7
Depth basis: 0 recorded, 3 profile-estimated, 4 contextual.
An early signal
7 environment-linked observations are available so far. More encounters will show whether a repeatable pattern emerges.
View distributions & comparisons▾
Repeatable archive pattern · 8 observations / 5 dives
Observed depth distributionmiddle 50%: 9.8–14.3m
Calendar-quarter observations
Apr–Jun1
Jul–Sep6
Oct–Dec1
- • 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
#5 · Oct 2, 2026
POS 2
Pemuteran · Asia 2026
#4 · Sep 15, 2026
Air Manis
Ambon · Asia 2026
5.4m · Estimated at capture time23.0°C
#3 · Sep 11, 2026
Batu Lubang
Ambon · Asia 2026
14.2m · Estimated at capture time25.0°C
#2 · Jul 2, 2026
Emerald Point
Amed, Bali · Asia 2026
11.8m · Dive-average context27.0°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
Curious beyond the photographs?
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Life found nearby
Species photographed on the same dives come first, followed by close taxonomic neighbours.
Soft Coral Spider Crab
Achaeus spinosus
Ambon
Zanzibar Whip Coral Shrimp
Dasycaris zanzibarica
Ambon
Babakina indopacifica
Dauin
Blackspotted Puffer
Arothron nigropunctatus
Amed, Bali
Blue Dragon
Pteraeolidia semperi
Ambon
Broadclub Cuttlefish
Ascarosepion latimanus
Dauin