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South Africa

HW-MN0804179 – Residency

8th sighting in South Africa
Fluke of HW-MN0804179
HW-MN0804179 Confirmed in the catalog @127537
Oct 30, 2024 – Feb 20, 2025 · South Africa

South Africa · Oct 2024 – Feb 2025

47 m
Deepest dive
2:23
Longest dive
102
Dives
Sightings
9
Days between first and last sighting
113

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 30, 202444 m—31 m
Nov 5, 202482 m—21 m
Nov 7, 202455 m—47 m
Dec 11, 202460 m—47 m
Dec 15, 202479 m—45 m
Dec 17, 202469 m—39 m
Feb 7, 202544 m—36 m
Feb 8, 202556 m—23 m
Feb 20, 202549 m—41 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 30, 2024 — seafloor 44 m (measured), deepest dive 31 m (modelled)Oct 30Nov 5, 2024 — seafloor 82 m (measured), deepest dive 21 m (modelled)Nov 5Nov 7, 2024 — seafloor 55 m (measured), deepest dive 47 m (modelled)Nov 7Dec 11, 2024 — seafloor 60 m (measured), deepest dive 47 m (modelled)Dec 11Dec 15, 2024 — seafloor 79 m (measured), deepest dive 45 m (modelled)Dec 15Dec 17, 2024 — seafloor 69 m (measured), deepest dive 39 m (modelled)Dec 17Feb 7, 2025 — seafloor 44 m (measured), deepest dive 36 m (modelled)Feb 7Feb 8, 2025 — seafloor 56 m (measured), deepest dive 23 m (modelled)Feb 8Feb 20, 2025 — seafloor 49 m (measured), deepest dive 41 m (modelled)Feb 20

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

Dives

47 m
Deepest dive
2:23
Longest dive
102
Dives
17 m
Avg dive depth
9
Sightings
113
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (55 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 7, 2024

measured
Seafloor depth
55 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 9 sightings

measured
Seafloor depth
44 m – 82 m
Sea-surface temperature
—
Distance from shore
2.0 km – 25.0 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 9 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.