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

Anan – Residency

23rd sighting in Clarence Strait
Fluke of Anan
Anan Confirmed in the catalog @37178
May 6 – Oct 28, 2025 · Clarence Strait

Clarence Strait · May – Oct 2025

79 m
Deepest dive
2:35
Longest dive
116
Dives
Sightings
8
Days between first and last sighting
176

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 6, 202567 m—59 m
Jul 13, 202548 m—42 m
Jul 14, 202521 m—13 m
Jul 17, 2025128 m—48 m
Aug 12, 2025104 m—79 m
Aug 15, 202595 m—28 m
Aug 18, 202522 m—20 m
Oct 28, 202583 m—27 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 6, 2025 — seafloor 67 m (measured), deepest dive 59 m (modelled)May 6Jul 13, 2025 — seafloor 48 m (measured), deepest dive 42 m (modelled)Jul 13Jul 14, 2025 — seafloor 21 m (measured), deepest dive 13 m (modelled)Jul 14Jul 17, 2025 — seafloor 128 m (measured), deepest dive 48 m (modelled)Jul 17Aug 12, 2025 — seafloor 104 m (measured), deepest dive 79 m (modelled)Aug 12Aug 15, 2025 — seafloor 95 m (measured), deepest dive 28 m (modelled)Aug 15Aug 18, 2025 — seafloor 22 m (measured), deepest dive 20 m (modelled)Aug 18Oct 28, 2025 — seafloor 83 m (measured), deepest dive 27 m (modelled)Oct 28

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

Dives

79 m
Deepest dive
2:35
Longest dive
116
Dives
17 m
Avg dive depth
8
Sightings
176
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010079 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (104 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 12, 2025

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

Across the residency · 8 sightings

measured
Seafloor depth
21 m – 128 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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 8 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.