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

Clara – Residency

15th sighting in Chatham Strait
Fluke of Clara
Clara Confirmed in the catalog @11147
Jun 22 – Sep 6, 2026 · Chatham Strait

Chatham Strait, Herring Season

Deep green water, herring gathering, exactly where I want to be.

131 m
Deepest dive
5:39
Longest dive
38
Dives
Sightings
3
Days between first and last sighting
76

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 22, 2026330 m11.6°C131 m
Aug 24, 2026224 m14.3°C51 m
Sep 6, 202657 m12.9°C51 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 22, 2026 — seafloor 330 m (measured), deepest dive 131 m (modelled)Jun 22Aug 24, 2026 — seafloor 224 m (measured), deepest dive 51 m (modelled)Aug 24Sep 6, 2026 — seafloor 57 m (measured), deepest dive 51 m (modelled)Sep 6

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

Dives

131 m
Deepest dive
5:39
Longest dive
38
Dives
33 m
Avg dive depth
3
Sightings
76
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150131 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (330 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 22, 2026

measured
Seafloor depth
330 m
Sea-surface temperature
11.6°C
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
57 m – 330 m
Sea-surface temperature
11.6°C – 14.3°C
Distance from shore
1.0 km – 7.0 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 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.