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South Africa

HW-MN0804177 – Residency

15th sighting in South Africa
Fluke of HW-MN0804177
HW-MN0804177 Confirmed in the catalog @127218
Oct 21, 2024 – Feb 20, 2025 · South Africa

South Africa · Oct 2024 – Feb 2025

66 m
Deepest dive
3:17
Longest dive
115
Dives
Sightings
15
Days between first and last sighting
122
Deepest dive on record
66 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 21, 20245 m—5 m
Dec 10, 202472 m—41 m
Dec 11, 202460 m—54 m
Dec 14, 202478 m—31 m
Dec 15, 202479 m—56 m
Dec 17, 202470 m—51 m
Jan 5, 202584 m—66 m
Jan 17, 2025-8 m——
Jan 18, 202566 m—56 m
Jan 18, 202560 m—38 m
Jan 19, 202568 m—32 m
Jan 24, 202586 m—42 m
Feb 7, 202544 m—26 m
Feb 19, 202544 m—38 m
Feb 20, 202549 m—39 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
Oct 21, 2024 — seafloor 5 m (measured), deepest dive 5 m (modelled)Oct 21Dec 10, 2024 — seafloor 72 m (measured), deepest dive 41 m (modelled)Dec 11, 2024 — seafloor 60 m (measured), deepest dive 54 m (modelled)Dec 14, 2024 — seafloor 78 m (measured), deepest dive 31 m (modelled)Dec 14Dec 15, 2024 — seafloor 79 m (measured), deepest dive 56 m (modelled)Dec 17, 2024 — seafloor 70 m (measured), deepest dive 51 m (modelled)Jan 5, 2025 — seafloor 84 m (measured), deepest dive 66 m (modelled)Jan 5Jan 17, 2025 — seafloor -8 m (measured), deepest dive — (modelled)Jan 18, 2025 — seafloor 66 m (measured), deepest dive 56 m (modelled)Jan 18, 2025 — seafloor 60 m (measured), deepest dive 38 m (modelled)Jan 18Jan 19, 2025 — seafloor 68 m (measured), deepest dive 32 m (modelled)Jan 24, 2025 — seafloor 86 m (measured), deepest dive 42 m (modelled)Feb 7, 2025 — seafloor 44 m (measured), deepest dive 26 m (modelled)Feb 7Feb 19, 2025 — seafloor 44 m (measured), deepest dive 38 m (modelled)Feb 20, 2025 — seafloor 49 m (measured), deepest dive 39 m (modelled)

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

Dives

66 m
Deepest dive
3:17
Longest dive
115
Dives
20 m
Avg dive depth
15
Sightings
122
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010066 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 · Jan 5, 2025

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

Across the residency · 15 sightings

measured
Seafloor depth
-8 m – 86 m
Sea-surface temperature
—
Distance from shore
1.0 km – 12.0 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 15 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.