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

MRIWU-00131 – Residency

11th sighting in South Africa
Fluke of MRIWU-00131
MRIWU-00131 Confirmed in the catalog @108635
Nov 19, 2023 – Jan 25, 2024 · South Africa

South Africa · Nov 2023 – Jan 2024

72 m
Deepest dive
3:29
Longest dive
106
Dives
Sightings
11
Days between first and last sighting
67

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 19, 202326 m—16 m
Jan 4, 202466 m—31 m
Jan 6, 202461 m—34 m
Jan 9, 202471 m—38 m
Jan 11, 202494 m—72 m
Jan 11, 202497 m—46 m
Jan 15, 202472 m—17 m
Jan 21, 202454 m—44 m
Jan 24, 202463 m—48 m
Jan 24, 202462 m—54 m
Jan 25, 202484 m—69 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 19, 2023 — seafloor 26 m (measured), deepest dive 16 m (modelled)Nov 19Jan 4, 2024 — seafloor 66 m (measured), deepest dive 31 m (modelled)Jan 4Jan 6, 2024 — seafloor 61 m (measured), deepest dive 34 m (modelled)Jan 6Jan 9, 2024 — seafloor 71 m (measured), deepest dive 38 m (modelled)Jan 9Jan 11, 2024 — seafloor 94 m (measured), deepest dive 72 m (modelled)Jan 11Jan 11, 2024 — seafloor 97 m (measured), deepest dive 46 m (modelled)Jan 11Jan 15, 2024 — seafloor 72 m (measured), deepest dive 17 m (modelled)Jan 15Jan 21, 2024 — seafloor 54 m (measured), deepest dive 44 m (modelled)Jan 21Jan 24, 2024 — seafloor 63 m (measured), deepest dive 48 m (modelled)Jan 24Jan 24, 2024 — seafloor 62 m (measured), deepest dive 54 m (modelled)Jan 24Jan 25, 2024 — seafloor 84 m (measured), deepest dive 69 m (modelled)Jan 25

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

Dives

72 m
Deepest dive
3:29
Longest dive
106
Dives
18 m
Avg dive depth
11
Sightings
67
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (94 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 11, 2024

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

Across the residency · 11 sightings

measured
Seafloor depth
26 m – 97 m
Sea-surface temperature
—
Distance from shore
2.0 km – 10.0 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.