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

HW-MN0800653 – Residency

14th sighting in South Africa
Fluke of HW-MN0800653
HW-MN0800653 Confirmed in the catalog @76910
Nov 25 – Dec 14, 2024 · South Africa

South Africa · Nov – Dec 2024

63 m
Deepest dive
2:59
Longest dive
142
Dives
Sightings
8
Days between first and last sighting
19
Deepest dive on record
63 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 25, 202469 m—57 m
Nov 25, 202446 m—41 m
Nov 29, 202493 m—62 m
Dec 11, 202474 m—63 m
Dec 11, 202460 m—51 m
Dec 12, 202441 m—27 m
Dec 12, 202442 m—30 m
Dec 14, 202478 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 25, 2024 — seafloor 69 m (measured), deepest dive 57 m (modelled)Nov 25Nov 25, 2024 — seafloor 46 m (measured), deepest dive 41 m (modelled)Nov 25Nov 29, 2024 — seafloor 93 m (measured), deepest dive 62 m (modelled)Nov 29Dec 11, 2024 — seafloor 74 m (measured), deepest dive 63 m (modelled)Dec 11Dec 11, 2024 — seafloor 60 m (measured), deepest dive 51 m (modelled)Dec 11Dec 12, 2024 — seafloor 41 m (measured), deepest dive 27 m (modelled)Dec 12Dec 12, 2024 — seafloor 42 m (measured), deepest dive 30 m (modelled)Dec 12Dec 14, 2024 — seafloor 78 m (measured), deepest dive 46 m (modelled)Dec 14

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

Dives

63 m
Deepest dive
2:59
Longest dive
142
Dives
21 m
Avg dive depth
8
Sightings
19
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010063 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (74 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 11, 2024

measured
Seafloor depth
74 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 8 sightings

measured
Seafloor depth
41 m – 93 m
Sea-surface temperature
—
Distance from shore
2.0 km – 13.0 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.