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

HW-MN0800730 – Residency

17th sighting in South Africa
Fluke of HW-MN0800730
HW-MN0800730 Confirmed in the catalog @77037
Nov 24, 2024 – Jan 19, 2025 · South Africa

South Africa · Nov 2024 – Jan 2025

84 m
Deepest dive
3:35
Longest dive
85
Dives
Sightings
9
Days between first and last sighting
56
Deepest dive on record
84 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 24, 202455 m—39 m
Nov 24, 202452 m—37 m
Nov 29, 202493 m—84 m
Dec 3, 202458 m—16 m
Dec 16, 202457 m—36 m
Dec 17, 202476 m—62 m
Dec 19, 202482 m—46 m
Dec 28, 202452 m—36 m
Jan 19, 202568 m—39 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 24, 2024 — seafloor 55 m (measured), deepest dive 39 m (modelled)Nov 24Nov 24, 2024 — seafloor 52 m (measured), deepest dive 37 m (modelled)Nov 24Nov 29, 2024 — seafloor 93 m (measured), deepest dive 84 m (modelled)Nov 29Dec 3, 2024 — seafloor 58 m (measured), deepest dive 16 m (modelled)Dec 3Dec 16, 2024 — seafloor 57 m (measured), deepest dive 36 m (modelled)Dec 16Dec 17, 2024 — seafloor 76 m (measured), deepest dive 62 m (modelled)Dec 17Dec 19, 2024 — seafloor 82 m (measured), deepest dive 46 m (modelled)Dec 19Dec 28, 2024 — seafloor 52 m (measured), deepest dive 36 m (modelled)Dec 28Jan 19, 2025 — seafloor 68 m (measured), deepest dive 39 m (modelled)Jan 19

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

Dives

84 m
Deepest dive
3:35
Longest dive
85
Dives
21 m
Avg dive depth
9
Sightings
56
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010084 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 · 9 sightings

measured
Seafloor depth
52 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 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.