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

Monarchy – Residency

14th sighting in Clarence Strait
Fluke of Monarchy
Monarchy Confirmed in the catalog @15171
Jul 26 – Sep 17, 2024 · Clarence Strait

Clarence Strait · Jul – Sep 2024

74 m
Deepest dive
2:40
Longest dive
52
Dives
Sightings
4
Days between first and last sighting
53

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 26, 202473 m14.8°C63 m
Aug 13, 2024149 m13.0°C60 m
Aug 18, 202484 m13.8°C74 m
Sep 17, 202418 m12.3°C17 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
Jul 26, 2024 — seafloor 73 m (measured), deepest dive 63 m (modelled)Jul 26Aug 13, 2024 — seafloor 149 m (measured), deepest dive 60 m (modelled)Aug 13Aug 18, 2024 — seafloor 84 m (measured), deepest dive 74 m (modelled)Aug 18Sep 17, 2024 — seafloor 18 m (measured), deepest dive 17 m (modelled)Sep 17

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

Dives

74 m
Deepest dive
2:40
Longest dive
52
Dives
25 m
Avg dive depth
4
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010074 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (84 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 18, 2024

measured
Seafloor depth
84 m
Sea-surface temperature
13.8°C
Distance from shore
—

Across the residency · 4 sightings

measured
Seafloor depth
18 m – 149 m
Sea-surface temperature
12.3°C – 14.8°C
Distance from shore
1.0 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 4 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.