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

MRIWU-00007 – Residency

4th sighting in South Africa
Fluke of MRIWU-00007
MRIWU-00007 Confirmed in the catalog @84968
Dec 30, 2023 – Jan 13, 2024 · South Africa

South Africa · Dec 2023 – Jan 2024

66 m
Deepest dive
2:09
Longest dive
41
Dives
Sightings
3
Days between first and last sighting
14
Deepest dive on record
66 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 30, 202359 m—32 m
Jan 7, 202480 m—66 m
Jan 13, 202436 m—31 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 30, 2023 — seafloor 59 m (measured), deepest dive 32 m (modelled)Dec 30Jan 7, 2024 — seafloor 80 m (measured), deepest dive 66 m (modelled)Jan 7Jan 13, 2024 — seafloor 36 m (measured), deepest dive 31 m (modelled)Jan 13

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

Dives

66 m
Deepest dive
2:09
Longest dive
41
Dives
21 m
Avg dive depth
3
Sightings
14
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010066 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (80 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 7, 2024

measured
Seafloor depth
80 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 3 sightings

measured
Seafloor depth
36 m – 80 m
Sea-surface temperature
—
Distance from shore
3.0 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 3 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.