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

HW-MN0804564 – Residency

11th sighting in South Africa
Fluke of HW-MN0804564
HW-MN0804564 Confirmed in the catalog @132267
Nov 24, 2024 – Feb 19, 2025 · South Africa

South Africa · Nov 2024 – Feb 2025

58 m
Deepest dive
2:20
Longest dive
96
Dives
Sightings
11
Days between first and last sighting
87

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 24, 202455 m—29 m
Dec 12, 202441 m—35 m
Dec 14, 202478 m—56 m
Dec 17, 202469 m—33 m
Dec 19, 202459 m—46 m
Dec 27, 202434 m—23 m
Jan 5, 202584 m—49 m
Jan 19, 202572 m—58 m
Jan 19, 202568 m—31 m
Jan 25, 202569 m—38 m
Feb 19, 202544 m—32 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 24, 2024 — seafloor 55 m (measured), deepest dive 29 m (modelled)Nov 24Dec 12, 2024 — seafloor 41 m (measured), deepest dive 35 m (modelled)Dec 12Dec 14, 2024 — seafloor 78 m (measured), deepest dive 56 m (modelled)Dec 14Dec 17, 2024 — seafloor 69 m (measured), deepest dive 33 m (modelled)Dec 17Dec 19, 2024 — seafloor 59 m (measured), deepest dive 46 m (modelled)Dec 19Dec 27, 2024 — seafloor 34 m (measured), deepest dive 23 m (modelled)Dec 27Jan 5, 2025 — seafloor 84 m (measured), deepest dive 49 m (modelled)Jan 5Jan 19, 2025 — seafloor 72 m (measured), deepest dive 58 m (modelled)Jan 19Jan 19, 2025 — seafloor 68 m (measured), deepest dive 31 m (modelled)Jan 19Jan 25, 2025 — seafloor 69 m (measured), deepest dive 38 m (modelled)Jan 25Feb 19, 2025 — seafloor 44 m (measured), deepest dive 32 m (modelled)Feb 19

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

Dives

58 m
Deepest dive
2:20
Longest dive
96
Dives
19 m
Avg dive depth
11
Sightings
87
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (72 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 19, 2025

measured
Seafloor depth
72 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 11 sightings

measured
Seafloor depth
34 m – 84 m
Sea-surface temperature
—
Distance from shore
2.0 km – 8.0 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 11 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.