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

Pauhana – Residency

2nd sighting in Chatham Strait
Fluke of Pauhana
Pauhana Confirmed in the catalog @6482
May 21 – Jun 19, 2026 · Chatham Strait

Chatham Strait · May – Jun 2026

103 m
Deepest dive
3:27
Longest dive
15
Dives
Sightings
2
Days between first and last sighting
28
Deepest dive on record
103 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 21, 2026100 m8.3°C84 m
Jun 19, 2026378 m9.7°C103 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
May 21, 2026 — seafloor 100 m (measured), deepest dive 84 m (modelled)May 21Jun 19, 2026 — seafloor 378 m (measured), deepest dive 103 m (modelled)Jun 19

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

Dives

103 m
Deepest dive
3:27
Longest dive
15
Dives
29 m
Avg dive depth
2
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150103 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (378 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 · Jun 19, 2026

measured
Seafloor depth
378 m
Sea-surface temperature
9.7°C
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
100 m – 378 m
Sea-surface temperature
8.3°C – 9.7°C
Distance from shore
5.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · 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).

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