Field notes
Encounter profile
Identified using iNaturalist, WoRMS.
Nembrotha milleri - Nembrotha are often vividly colored with green, blue, black, or red. They have distinctive external gills on their backs.
Species profile
Miller's Nembrotha
Nembrotha milleri
Identified using iNaturalist, WoRMS.
13
Media items
Photos and videos
9
Dives
Distinct encounters
4
Locations
2 trips
Archive ecology
Conditions where we found it
SNAP observations, not the species’ full biological range.
- Depth evidence
- 10.2–25.3m
- Median 17.7m · n=2
- Water temperature
- 27.0–28.0°C
- Median 27.5°C · n=10
Depth basis: 0 recorded, 2 profile-estimated, 8 contextual.
Consistent water window
10 observations with dive temperature sit within 27.0–28.0°C.
View distributions & comparisons▾
Repeatable archive pattern · 12 observations / 9 dives
Observed depth distributionmiddle 50%: 13.9–21.5m
Calendar-quarter observations
Apr–Jun11
Jul–Sep1
- • 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 22, 2026
My Reef
Raja Ampat · Asia 2026
25.3m · Estimated at capture time27.0°C
#8 · Jun 6, 2026
El Dorado
Dauin · Asia 2026
11.4m · Dive-average context28.0°C
#7 · May 31, 2026
Malatapay
Dauin · Asia 2026
12.5m · Dive-average context28.0°C
#6 · May 20, 2026
Verde Island
Puerto Galera · Asia 2026
10.2m · Estimated at capture time28.0°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
13 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.
Crested Nembrotha
Nembrotha cristata
Raja Ampat
Dusky Nembrotha
Nembrotha kubaryana
Puerto Galera
Redtooth Triggerfish
Odonus niger
Puerto Galera
Anna's Chromodoris
Chromodoris annae
Puerto Galera
Smallscale Scorpionfish
Scorpaenopsis oxycephala
Puerto Galera
Black-margined Nudibranch
Doriprismatica atromarginata
Puerto Galera