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

HW-MN0804322 – Residency

13th sighting in South Africa
Fluke of HW-MN0804322
HW-MN0804322 Confirmed in the catalog @127767
Nov 7, 2024 – Jan 9, 2025 · South Africa

South Africa · Nov 2024 – Jan 2025

85 m
Deepest dive
3:21
Longest dive
150
Dives
Sightings
13
Days between first and last sighting
63
Deepest dive on record
85 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 7, 202455 m—35 m
Nov 17, 202474 m—29 m
Nov 29, 202493 m—85 m
Dec 3, 202451 m—25 m
Dec 3, 202464 m—45 m
Dec 4, 202460 m—16 m
Dec 11, 202460 m—49 m
Dec 12, 202441 m—31 m
Dec 29, 202456 m—41 m
Dec 31, 202477 m—57 m
Jan 5, 202567 m—29 m
Jan 8, 202572 m—66 m
Jan 9, 202586 m—74 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 7, 2024 — seafloor 55 m (measured), deepest dive 35 m (modelled)Nov 7Nov 17, 2024 — seafloor 74 m (measured), deepest dive 29 m (modelled)Nov 29, 2024 — seafloor 93 m (measured), deepest dive 85 m (modelled)Dec 3, 2024 — seafloor 51 m (measured), deepest dive 25 m (modelled)Dec 3Dec 3, 2024 — seafloor 64 m (measured), deepest dive 45 m (modelled)Dec 4, 2024 — seafloor 60 m (measured), deepest dive 16 m (modelled)Dec 11, 2024 — seafloor 60 m (measured), deepest dive 49 m (modelled)Dec 11Dec 12, 2024 — seafloor 41 m (measured), deepest dive 31 m (modelled)Dec 29, 2024 — seafloor 56 m (measured), deepest dive 41 m (modelled)Dec 31, 2024 — seafloor 77 m (measured), deepest dive 57 m (modelled)Dec 31Jan 5, 2025 — seafloor 67 m (measured), deepest dive 29 m (modelled)Jan 8, 2025 — seafloor 72 m (measured), deepest dive 66 m (modelled)Jan 9, 2025 — seafloor 86 m (measured), deepest dive 74 m (modelled)Jan 9

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

Dives

85 m
Deepest dive
3:21
Longest dive
150
Dives
20 m
Avg dive depth
13
Sightings
63
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010085 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (93 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 29, 2024

measured
Seafloor depth
93 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 13 sightings

measured
Seafloor depth
41 m – 93 m
Sea-surface temperature
—
Distance from shore
2.0 km – 17.0 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 13 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.