Field notes
Encounter profile
Manually classified in SNAP.
Doriprismatica atromarginata - Doriprismatica is a genus of sea slugs, dorid, shell-less marine gastropod mollusks in the family Chromodorididae.
Species profile
Black-margined Nudibranch
Doriprismatica atromarginata
Manually classified in SNAP.
11
Media items
Photos and videos
9
Dives
Distinct encounters
6
Locations
3 trips
Archive ecology
Conditions where we found it
SNAP observations, not the species’ full biological range.
- Depth evidence
- 9.2–24.2m
- Median 16.7m · n=2
- Water temperature
- 24.0–28.0°C
- Median 27.0°C · n=8
Depth basis: 0 recorded, 2 profile-estimated, 6 contextual.
An early signal
8 environment-linked observations are available so far. More encounters will show whether a repeatable pattern emerges.
View distributions & comparisons▾
Repeatable archive pattern · 11 observations / 9 dives
Observed depth distributionmiddle 50%: 13.0–20.4m
Calendar-quarter observations
Apr–Jun6
Jul–Sep5
Camera-clock comparison
Morning · 1Night · 10
- • 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
#9 · Sep 14, 2026
Kampung Baru 3
Ambon · Asia 2026
24.2m · Estimated at capture time24.0°C
#8 · Jul 13, 2026
Cathy's Corner
Tawali, PNG · Asia 2026
9.2m · Estimated at capture time25.0°C
#7 · Jul 3, 2026
USAT Liberty Wreck
Amed, Bali · Asia 2026
12.8m · Dive-average context27.0°C
#6 · Jul 3, 2026
Coral Garden
Amed, Bali · Asia 2026
9.2m · Dive-average context27.0°C
Species field guide
Notes, taxonomy, identification & seasonality
Explore +Close −
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
11 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.
Anna's Chromodoris
Chromodoris annae
Puerto Galera
Dusky Nembrotha
Nembrotha kubaryana
Puerto Galera
Willan's Chromodoris
Chromodoris willani
Puerto Galera
Geometric Goniobranchus
Goniobranchus geometricus
Puerto Galera
Miller's Nembrotha
Nembrotha milleri
Puerto Galera
Mourning Dorid
Jorunna funebris
Amed, Bali