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

MRIWU-00127 – Residency

5th sighting in South Africa
Fluke of MRIWU-00127
MRIWU-00127 Confirmed in the catalog @108592
Nov 18, 2023 – Jan 16, 2024 · South Africa

South Africa · Nov 2023 – Jan 2024

70 m
Deepest dive
3:22
Longest dive
112
Dives
Sightings
5
Days between first and last sighting
59
Deepest dive on record
70 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Nov 18, 202343 m—35 m
Jan 7, 202491 m—43 m
Jan 9, 202473 m—61 m
Jan 11, 202494 m—70 m
Jan 16, 202425 m—20 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 18, 2023 — seafloor 43 m (measured), deepest dive 35 m (modelled)Nov 18Jan 7, 2024 — seafloor 91 m (measured), deepest dive 43 m (modelled)Jan 7Jan 9, 2024 — seafloor 73 m (measured), deepest dive 61 m (modelled)Jan 9Jan 11, 2024 — seafloor 94 m (measured), deepest dive 70 m (modelled)Jan 11Jan 16, 2024 — seafloor 25 m (measured), deepest dive 20 m (modelled)Jan 16

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

Dives

70 m
Deepest dive
3:22
Longest dive
112
Dives
19 m
Avg dive depth
5
Sightings
59
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010070 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.

Unlock with Risa Deep

Place

Where this happened · Jan 11, 2024

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

Across the residency · 5 sightings

measured
Seafloor depth
25 m – 94 m
Sea-surface temperature
—
Distance from shore
2.0 km – 7.0 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 5 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.