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

HW-MN0804660 – Residency

11th sighting in South Africa
Fluke of HW-MN0804660
HW-MN0804660 Confirmed in the catalog @132798
Nov 25, 2024 – Feb 20, 2025 · South Africa

South Africa · Nov 2024 – Feb 2025

61 m
Deepest dive
2:50
Longest dive
128
Dives
Sightings
11
Days between first and last sighting
87

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 25, 202446 m—37 m
Dec 17, 202469 m—55 m
Dec 31, 202477 m—29 m
Jan 5, 202536 m—33 m
Jan 17, 202553 m—35 m
Jan 18, 202566 m—56 m
Jan 18, 202574 m—49 m
Jan 19, 202568 m—61 m
Jan 25, 202569 m—45 m
Feb 8, 202556 m—35 m
Feb 20, 202549 m—37 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 46 m (measured), deepest dive 37 m (modelled)Nov 25Dec 17, 2024 — seafloor 69 m (measured), deepest dive 55 m (modelled)Dec 17Dec 31, 2024 — seafloor 77 m (measured), deepest dive 29 m (modelled)Dec 31Jan 5, 2025 — seafloor 36 m (measured), deepest dive 33 m (modelled)Jan 5Jan 17, 2025 — seafloor 53 m (measured), deepest dive 35 m (modelled)Jan 17Jan 18, 2025 — seafloor 66 m (measured), deepest dive 56 m (modelled)Jan 18Jan 18, 2025 — seafloor 74 m (measured), deepest dive 49 m (modelled)Jan 18Jan 19, 2025 — seafloor 68 m (measured), deepest dive 61 m (modelled)Jan 19Jan 25, 2025 — seafloor 69 m (measured), deepest dive 45 m (modelled)Jan 25Feb 8, 2025 — seafloor 56 m (measured), deepest dive 35 m (modelled)Feb 8Feb 20, 2025 — seafloor 49 m (measured), deepest dive 37 m (modelled)Feb 20

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

Dives

61 m
Deepest dive
2:50
Longest dive
128
Dives
20 m
Avg dive depth
11
Sightings
87
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010061 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (68 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 19, 2025

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

Across the residency · 11 sightings

measured
Seafloor depth
36 m – 77 m
Sea-surface temperature
—
Distance from shore
2.0 km – 16.0 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 11 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.