Nero Marks – Residency
4th sighting in Antarctic Peninsula
Nero Marks @34214
Jan 1 – 2, 2026 · Antarctic Peninsula
Antarctic Peninsula · Jan 2026
35 m
Deepest dive
1:46
Longest dive
7
Dives
- Sightings
- 2
- Days between first and last sighting
- Same day
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jan 1, 2026 | -63 m | — | — |
| Jan 2, 2026 | 126 m | — | 35 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
35 m
Deepest dive
1:46
Longest dive
7
Dives
14 m
Avg dive depth
2
Sightings
Same day
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (126 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 2, 2026
measured- Seafloor depth
- 126 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- -63 m – 126 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.