Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Denali-Dylan – Residency

6th sighting in Chatham Strait
Fluke of Denali-Dylan
Denali-Dylan Confirmed in the catalog @16862
Jun 7 – Aug 26, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

22 m
Deepest dive
1:05
Longest dive
9
Dives
Sightings
2
Days between first and last sighting
80

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 7, 2024263 m—22 m
Aug 26, 2024184 m—19 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jun 7, 2024 — seafloor 263 m (measured), deepest dive 22 m (modelled)Jun 7Aug 26, 2024 — seafloor 184 m (measured), deepest dive 19 m (modelled)Aug 26

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

22 m
Deepest dive
1:05
Longest dive
9
Dives
13 m
Avg dive depth
2
Sightings
80
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255022 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (263 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Jun 7, 2024

measured
Seafloor depth
263 m
Sea-surface temperature
—
Distance from shore
—

Across the residency · 2 sightings

measured
Seafloor depth
184 m – 263 m
Sea-surface temperature
—
Distance from shore
1.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 2 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.