Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
South Africa

HW-MN0804762 – Residency

4th sighting in South Africa
Fluke of HW-MN0804762
HW-MN0804762 Confirmed in the catalog @132964
Nov 5, 2024 – Feb 21, 2025 · South Africa

South Africa · Nov 2024 – Feb 2025

60 m
Deepest dive
2:48
Longest dive
52
Dives
Sightings
5
Days between first and last sighting
108
Deepest dive on record
60 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 5, 202482 m—60 m
Dec 28, 202456 m—39 m
Dec 31, 202477 m—43 m
Jan 14, 202566 m—49 m
Feb 21, 202567 m—41 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
Nov 5, 2024 — seafloor 82 m (measured), deepest dive 60 m (modelled)Nov 5Dec 28, 2024 — seafloor 56 m (measured), deepest dive 39 m (modelled)Dec 28Dec 31, 2024 — seafloor 77 m (measured), deepest dive 43 m (modelled)Dec 31Jan 14, 2025 — seafloor 66 m (measured), deepest dive 49 m (modelled)Jan 14Feb 21, 2025 — seafloor 67 m (measured), deepest dive 41 m (modelled)Feb 21

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

Dives

60 m
Deepest dive
2:48
Longest dive
52
Dives
22 m
Avg dive depth
5
Sightings
108
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010060 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (82 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 · Nov 5, 2024

measured
Seafloor depth
82 m
Sea-surface temperature
—
Distance from shore
25.0 km

Across the residency · 5 sightings

measured
Seafloor depth
56 m – 82 m
Sea-surface temperature
—
Distance from shore
3.0 km – 25.0 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 5 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.