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

HW-MN0804607 – Residency

8th sighting in South Africa
Fluke of HW-MN0804607
HW-MN0804607 Confirmed in the catalog @132693
Dec 17, 2024 – Feb 20, 2025 · South Africa

South Africa · Dec 2024 – Feb 2025

66 m
Deepest dive
2:51
Longest dive
106
Dives
Sightings
8
Days between first and last sighting
65

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 17, 202469 m—59 m
Dec 24, 202462 m—35 m
Dec 29, 202456 m—50 m
Jan 18, 202566 m—60 m
Jan 18, 202576 m—66 m
Jan 19, 202568 m—54 m
Jan 19, 202563 m—25 m
Feb 20, 202549 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
Dec 17, 2024 — seafloor 69 m (measured), deepest dive 59 m (modelled)Dec 17Dec 24, 2024 — seafloor 62 m (measured), deepest dive 35 m (modelled)Dec 24Dec 29, 2024 — seafloor 56 m (measured), deepest dive 50 m (modelled)Dec 29Jan 18, 2025 — seafloor 66 m (measured), deepest dive 60 m (modelled)Jan 18Jan 18, 2025 — seafloor 76 m (measured), deepest dive 66 m (modelled)Jan 18Jan 19, 2025 — seafloor 68 m (measured), deepest dive 54 m (modelled)Jan 19Jan 19, 2025 — seafloor 63 m (measured), deepest dive 25 m (modelled)Jan 19Feb 20, 2025 — seafloor 49 m (measured), deepest dive 41 m (modelled)Feb 20

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

Dives

66 m
Deepest dive
2:51
Longest dive
106
Dives
21 m
Avg dive depth
8
Sightings
65
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010066 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (76 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 · Jan 18, 2025

measured
Seafloor depth
76 m
Sea-surface temperature
—
Distance from shore
10.0 km

Across the residency · 8 sightings

measured
Seafloor depth
49 m – 76 m
Sea-surface temperature
—
Distance from shore
2.0 km – 10.0 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.