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

JudasHole – Residency

10th sighting in Chatham Strait
Fluke of JudasHole
JudasHole Confirmed in the catalog @6309
Aug 4 – 16, 2024 · Chatham Strait

Chatham Strait · Aug 2024

96 m
Deepest dive
3:06
Longest dive
48
Dives
Sightings
3
Days between first and last sighting
12

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 4, 2024138 m—96 m
Aug 12, 202449 m—45 m
Aug 16, 202474 m—35 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
Aug 4, 2024 — seafloor 138 m (measured), deepest dive 96 m (modelled)Aug 4Aug 12, 2024 — seafloor 49 m (measured), deepest dive 45 m (modelled)Aug 12Aug 16, 2024 — seafloor 74 m (measured), deepest dive 35 m (modelled)Aug 16

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

Dives

96 m
Deepest dive
3:06
Longest dive
48
Dives
24 m
Avg dive depth
3
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010096 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (138 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.

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Place

Where this happened · Aug 4, 2024

measured
Seafloor depth
138 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
49 m – 138 m
Sea-surface temperature
—
Distance from shore
1.0 km – 5.0 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 3 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).

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