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

HW-MN0804362 – Residency

10th sighting in South Africa
Fluke of HW-MN0804362
HW-MN0804362 Confirmed in the catalog @129051
Nov 23 – Dec 19, 2024 · South Africa

South Africa · Nov – Dec 2024

62 m
Deepest dive
2:13
Longest dive
91
Dives
Sightings
10
Days between first and last sighting
26

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 23, 202445 m—34 m
Nov 30, 202478 m—35 m
Dec 2, 202459 m—35 m
Dec 3, 202486 m—51 m
Dec 4, 202439 m—33 m
Dec 12, 202441 m—37 m
Dec 15, 202478 m—43 m
Dec 15, 202479 m—62 m
Dec 17, 202469 m—51 m
Dec 19, 202459 m—46 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 23, 2024 — seafloor 45 m (measured), deepest dive 34 m (modelled)Nov 23Nov 30, 2024 — seafloor 78 m (measured), deepest dive 35 m (modelled)Nov 30Dec 2, 2024 — seafloor 59 m (measured), deepest dive 35 m (modelled)Dec 2Dec 3, 2024 — seafloor 86 m (measured), deepest dive 51 m (modelled)Dec 3Dec 4, 2024 — seafloor 39 m (measured), deepest dive 33 m (modelled)Dec 4Dec 12, 2024 — seafloor 41 m (measured), deepest dive 37 m (modelled)Dec 12Dec 15, 2024 — seafloor 78 m (measured), deepest dive 43 m (modelled)Dec 15Dec 15, 2024 — seafloor 79 m (measured), deepest dive 62 m (modelled)Dec 15Dec 17, 2024 — seafloor 69 m (measured), deepest dive 51 m (modelled)Dec 17Dec 19, 2024 — seafloor 59 m (measured), deepest dive 46 m (modelled)Dec 19

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

Dives

62 m
Deepest dive
2:13
Longest dive
91
Dives
20 m
Avg dive depth
10
Sightings
26
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010062 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (79 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 · Dec 15, 2024

measured
Seafloor depth
79 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 10 sightings

measured
Seafloor depth
39 m – 86 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 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 10 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.