Field notes
Encounter profile
Manually classified in SNAP.
Roboastra gracilis - Roboastra - A marine genus.
Species profile
Slender Roboastra
Roboastra gracilis
Manually classified in SNAP.
8
Media items
Photos and videos
5
Dives
Distinct encounters
3
Locations
1 trip
Archive ecology
Conditions where we found it
SNAP observations, not the species’ full biological range.
- Depth evidence
- 10.9–15.8m
- Median 12.9m · n=4
- Water temperature
- 27.0–28.0°C
- Median 28.0°C · n=8
Depth basis: 0 recorded, 4 profile-estimated, 4 contextual.
Tight observed depth band
All 4 depth-linked observations in SNAP fall between 10.9m and 15.8m.
Consistent water window
8 observations with dive temperature sit within 27.0–28.0°C.
View distributions & comparisons▾
Repeatable archive pattern · 8 observations / 5 dives
Observed depth distributionmiddle 50%: 12.3–13.8m
Calendar-quarter observations
Apr–Jun1
Jul–Sep7
Camera-clock comparison
Morning · 3Night · 5
- • 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 · Sep 26, 2026
Sardine Reef
Raja Ampat · Asia 2026
13.1m · Estimated at capture time28.0°C
#4 · Sep 26, 2026
Ransiwor
Raja Ampat · Asia 2026
15.8m · Estimated at capture time28.0°C
#3 · Sep 19, 2026
Mioskun Island
Raja Ampat · Asia 2026
10.9m · Estimated at capture time28.0°C
#2 · Aug 8, 2026
Pescador Island (Cathedral)
Moalboal, Philippines · Asia 2026
10.8m · Dive-average context28.0°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?
Continue exploring
Life found nearby
Species photographed on the same dives come first, followed by close taxonomic neighbours.
Bennett's Bushy Feather Star
Anneissia bennetti
Dauin
Blackspotted Puffer
Arothron nigropunctatus
Moalboal, Philippines
1 shared dive
Bluespotted Maskray
Neotrygon caeruleopunctata
Raja Ampat
Bubble Coral Shrimp
Palaemonella philippinensis
Raja Ampat
Coi's Goniobranchus
Goniobranchus coi
Raja Ampat
Dusky Nembrotha
Nembrotha kubaryana
Dauin