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

HW-MN0801876 – Residency

15th sighting in South Africa
Fluke of HW-MN0801876
HW-MN0801876 Confirmed in the catalog @89356
Nov 26, 2023 – Feb 20, 2024 · South Africa

South Africa · Nov 2023 – Feb 2024

84 m
Deepest dive
3:30
Longest dive
138
Dives
Sightings
11
Days between first and last sighting
86
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 26, 202395 m—36 m
Nov 27, 202395 m—65 m
Nov 30, 2023101 m—84 m
Jan 9, 202471 m—52 m
Jan 11, 202494 m—42 m
Jan 11, 202496 m—62 m
Jan 15, 202467 m—58 m
Jan 20, 202490 m—45 m
Feb 4, 202490 m—25 m
Feb 18, 202480 m—70 m
Feb 20, 202483 m—76 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 26, 2023 — seafloor 95 m (measured), deepest dive 36 m (modelled)Nov 26Nov 27, 2023 — seafloor 95 m (measured), deepest dive 65 m (modelled)Nov 27Nov 30, 2023 — seafloor 101 m (measured), deepest dive 84 m (modelled)Nov 30Jan 9, 2024 — seafloor 71 m (measured), deepest dive 52 m (modelled)Jan 9Jan 11, 2024 — seafloor 94 m (measured), deepest dive 42 m (modelled)Jan 11Jan 11, 2024 — seafloor 96 m (measured), deepest dive 62 m (modelled)Jan 11Jan 15, 2024 — seafloor 67 m (measured), deepest dive 58 m (modelled)Jan 15Jan 20, 2024 — seafloor 90 m (measured), deepest dive 45 m (modelled)Jan 20Feb 4, 2024 — seafloor 90 m (measured), deepest dive 25 m (modelled)Feb 4Feb 18, 2024 — seafloor 80 m (measured), deepest dive 70 m (modelled)Feb 18Feb 20, 2024 — seafloor 83 m (measured), deepest dive 76 m (modelled)Feb 20

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

Dives

84 m
Deepest dive
3:30
Longest dive
138
Dives
25 m
Avg dive depth
11
Sightings
86
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 (101 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 30, 2023

measured
Seafloor depth
101 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 11 sightings

measured
Seafloor depth
67 m – 101 m
Sea-surface temperature
—
Distance from shore
3.0 km – 15.0 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.