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

MRIWU-00119 – Residency

7th sighting in South Africa
Fluke of MRIWU-00119
MRIWU-00119 Confirmed in the catalog @108583
Dec 2 – 15, 2024 · South Africa

South Africa · Dec 2024

63 m
Deepest dive
3:01
Longest dive
38
Dives
Sightings
6
Days between first and last sighting
13

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 2, 202459 m—33 m
Dec 4, 202474 m—59 m
Dec 11, 202474 m—22 m
Dec 11, 202460 m—35 m
Dec 12, 202442 m—31 m
Dec 15, 202479 m—63 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
Dec 2, 2024 — seafloor 59 m (measured), deepest dive 33 m (modelled)Dec 2Dec 4, 2024 — seafloor 74 m (measured), deepest dive 59 m (modelled)Dec 4Dec 11, 2024 — seafloor 74 m (measured), deepest dive 22 m (modelled)Dec 11Dec 11, 2024 — seafloor 60 m (measured), deepest dive 35 m (modelled)Dec 11Dec 12, 2024 — seafloor 42 m (measured), deepest dive 31 m (modelled)Dec 12Dec 15, 2024 — seafloor 79 m (measured), deepest dive 63 m (modelled)Dec 15

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

Dives

63 m
Deepest dive
3:01
Longest dive
38
Dives
20 m
Avg dive depth
6
Sightings
13
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010063 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (79 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 · Dec 15, 2024

measured
Seafloor depth
79 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 6 sightings

measured
Seafloor depth
42 m – 79 m
Sea-surface temperature
—
Distance from shore
2.0 km – 6.0 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 6 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.