Ichthus – Residency
17th sighting in Chatham Strait
Ichthus @7599
May 20 – Sep 28, 2025 · Chatham Strait
Chatham Strait · May – Sep 2025
248 m
Deepest dive
7:08
Longest dive
51
Dives
- Sightings
- 3
- Days between first and last sighting
- 131
- Deepest dive on record
- 248 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 20, 2025 | 306 m | 7.7°C | 248 m |
| Jul 25, 2025 | 140 m | 12.9°C | 51 m |
| Sep 28, 2025 | 67 m | 12.2°C | 57 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
248 m
Deepest dive
7:08
Longest dive
51
Dives
30 m
Avg dive depth
3
Sightings
131
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 (306 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 20, 2025
measured- Seafloor depth
- 306 m
- Sea-surface temperature
- 7.7°C
- Distance from shore
- 10.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 67 m – 306 m
- Sea-surface temperature
- 7.7°C – 12.9°C
- Distance from shore
- 1.0 km – 10.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.