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South Africa

HW-MN0805619 – Residency

9th sighting in South Africa
Fluke of HW-MN0805619
HW-MN0805619 Confirmed in the catalog @148965
Nov 29, 2025 – Feb 16, 2026 · South Africa

South Africa · Nov 2025 – Feb 2026

68 m
Deepest dive
2:55
Longest dive
92
Dives
Sightings
9
Days between first and last sighting
79
Deepest dive on record
68 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 29, 202513 m—11 m
Dec 27, 2025105 m—33 m
Dec 29, 202561 m—48 m
Dec 29, 202545 m—39 m
Dec 30, 202546 m—32 m
Jan 26, 202669 m14.3°C62 m
Jan 27, 202699 m16.4°C68 m
Jan 30, 202651 m14.6°C40 m
Feb 16, 202630 m13.5°C23 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 29, 2025 — seafloor 13 m (measured), deepest dive 11 m (modelled)Nov 29Dec 27, 2025 — seafloor 105 m (measured), deepest dive 33 m (modelled)Dec 27Dec 29, 2025 — seafloor 61 m (measured), deepest dive 48 m (modelled)Dec 29Dec 29, 2025 — seafloor 45 m (measured), deepest dive 39 m (modelled)Dec 29Dec 30, 2025 — seafloor 46 m (measured), deepest dive 32 m (modelled)Dec 30Jan 26, 2026 — seafloor 69 m (measured), deepest dive 62 m (modelled)Jan 26Jan 27, 2026 — seafloor 99 m (measured), deepest dive 68 m (modelled)Jan 27Jan 30, 2026 — seafloor 51 m (measured), deepest dive 40 m (modelled)Jan 30Feb 16, 2026 — seafloor 30 m (measured), deepest dive 23 m (modelled)Feb 16

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

Dives

68 m
Deepest dive
2:55
Longest dive
92
Dives
18 m
Avg dive depth
9
Sightings
79
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010068 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (99 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 · Jan 27, 2026

measured
Seafloor depth
99 m
Sea-surface temperature
16.4°C
Distance from shore
11.0 km

Across the residency · 9 sightings

measured
Seafloor depth
13 m – 105 m
Sea-surface temperature
13.5°C – 16.4°C
Distance from shore
1.0 km – 11.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · 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.