HW-MN1200559 – Residency
2nd sighting in Tonga
HW-MN1200559 @46316
Sep 12, 2025 · Tonga
Tonga · Sep 2025
64 m
Deepest dive
2:07
Longest dive
8
Dives
- Sightings
- 1
- 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) |
|---|---|---|---|
| Sep 12, 2025 | 209 m | — | 64 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
64 m
Deepest dive
2:07
Longest dive
8
Dives
29 m
Avg dive depth
1
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 (209 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 12, 2025
measured- Seafloor depth
- 209 m
- Sea-surface temperature
- —
- Distance from shore
- —
Sources: GEBCO seafloor grid
Source records
This activity is assembled from 1 catalogued encounter on Happywhale.