Dyad – Residency
16th sighting in Gulf of MaineDyad @22140
Sep 13 – 15, 2026 · Gulf of Maine
Full House at Sea
Three calves raised, this ledge still knows how to feed me well.
30 m
Deepest dive
1:21
Longest dive
11
Dives
- Sightings
- 2
- Days between first and last sighting
- 2
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 13, 2026 | 57 m | — | 30 m |
| Sep 15, 2026 | 46 m | — | 16 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
30 m
Deepest dive
1:21
Longest dive
11
Dives
14 m
Avg dive depth
2
Sightings
2
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 (57 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 13, 2026
measured- Seafloor depth
- 57 m
- Sea-surface temperature
- —
- Distance from shore
- 19.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 46 m – 57 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km – 19.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.