Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Makamakaula – Residency

6th sighting in Chatham Strait
Fluke of Makamakaula
Makamakaula Confirmed in the catalog @6346
Aug 5 – 6, 2024 · Chatham Strait

Chatham Strait · Aug 2024

124 m
Deepest dive
4:21
Longest dive
37
Dives
Sightings
2
Days between first and last sighting
1
Deepest dive on record
124 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 5, 2024223 m13.1°C124 m
Aug 6, 2024500 m14.5°C119 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
Aug 5, 2024 — seafloor 223 m (measured), deepest dive 124 m (modelled)Aug 5Aug 6, 2024 — seafloor 500 m (measured), deepest dive 119 m (modelled)Aug 6

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

Dives

124 m
Deepest dive
4:21
Longest dive
37
Dives
46 m
Avg dive depth
2
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150124 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (223 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 · Aug 5, 2024

measured
Seafloor depth
223 m
Sea-surface temperature
13.1°C
Distance from shore
4.0 km

Across the residency · 2 sightings

measured
Seafloor depth
223 m – 500 m
Sea-surface temperature
13.1°C – 14.5°C
Distance from shore
4.0 km – 6.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 2 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.