Field notes
Encounter profile
Identified using iNaturalist, WoRMS.
Thecacera picta - Thecacera is a genus of sea slugs, specifically, shell-less marine gastropod mollusks in the family Polyceridae.
Species profile
Thecacera picta
Identified using iNaturalist, WoRMS.
15
Media items
Photos and videos
10
Dives
Distinct encounters
2
Locations
1 trip
Archive ecology
Conditions where we found it
SNAP observations, not the species’ full biological range.
- Depth evidence
- 1.3–18.1m
- Median 14.7m · n=9
- Water temperature
- 23.0–28.0°C
- Median 24.0°C · n=15
Depth basis: 1 recorded, 8 profile-estimated, 6 contextual.
Recent encounters trend deeper
The recent-half median is 6.1m deeper than the earlier-half median. This is an archive pattern, not a population conclusion.
View distributions & comparisons▾
Repeatable archive pattern · 15 observations / 10 dives
Observed depth distributionmiddle 50%: 13.4–15.0m
Calendar-quarter observations
Apr–Jun6
Jul–Sep9
Camera-clock comparison
Morning · 2Night · 12
- • 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
#10 · Sep 15, 2026
Air Manis
Ambon · Asia 2026
16.9m · Estimated at capture time23.0°C#9 · Sep 14, 2026
Rhino City
Ambon · Asia 2026
13.3m · Dive-average context24.0°C
#8 · Sep 13, 2026
Laha 1
Ambon · Asia 2026
9.7m · Dive-average context24.0°C
#7 · Sep 13, 2026
Kampung Baru 2
Ambon · Asia 2026
14.7m · Estimated at capture time24.0°C
Species field guide
Notes, taxonomy, identification & seasonality
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Species field guide
Notes, taxonomy, identification & seasonality
Archive selection
Representative encounters
A representative entry point into the archive before the full record below.
Archive
All media records
15 media items
Optional context
Curious beyond the photographs?
Continue exploring
Life found nearby
Species photographed on the same dives come first, followed by close taxonomic neighbours.
