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

HW-MN0804224 – Residency

8th sighting in South Africa
Fluke of HW-MN0804224
HW-MN0804224 Confirmed in the catalog @127661
Nov 5 – Dec 14, 2024 · South Africa

South Africa · Nov – Dec 2024

52 m
Deepest dive
2:25
Longest dive
97
Dives
Sightings
8
Days between first and last sighting
39
Deepest dive on record
52 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 5, 202461 m—52 m
Nov 7, 202455 m—44 m
Nov 29, 202493 m—49 m
Dec 3, 202464 m—49 m
Dec 7, 202459 m—44 m
Dec 12, 202455 m—36 m
Dec 12, 202445 m—37 m
Dec 14, 202456 m—48 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 5, 2024 — seafloor 61 m (measured), deepest dive 52 m (modelled)Nov 5Nov 7, 2024 — seafloor 55 m (measured), deepest dive 44 m (modelled)Nov 7Nov 29, 2024 — seafloor 93 m (measured), deepest dive 49 m (modelled)Nov 29Dec 3, 2024 — seafloor 64 m (measured), deepest dive 49 m (modelled)Dec 3Dec 7, 2024 — seafloor 59 m (measured), deepest dive 44 m (modelled)Dec 7Dec 12, 2024 — seafloor 55 m (measured), deepest dive 36 m (modelled)Dec 12Dec 12, 2024 — seafloor 45 m (measured), deepest dive 37 m (modelled)Dec 12Dec 14, 2024 — seafloor 56 m (measured), deepest dive 48 m (modelled)Dec 14

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

Dives

52 m
Deepest dive
2:25
Longest dive
97
Dives
21 m
Avg dive depth
8
Sightings
39
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010052 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (61 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 · Nov 5, 2024

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

Across the residency · 8 sightings

measured
Seafloor depth
45 m – 93 m
Sea-surface temperature
—
Distance from shore
3.0 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.