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Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Au'au Channel

T. Rex – Residency

27th sighting in Au'au Channel
Fluke of T. Rex
T. Rex Confirmed in the catalog @41484
Feb 11 – Mar 5, 2026 · Au'au Channel

Au'au Channel · Feb – Mar 2026

160 m
Deepest dive
5:06
Longest dive
112
Dives
Sightings
10
Days between first and last sighting
22
Deepest dive on record
160 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 11, 202616 m24.9°C12 m
Feb 13, 202642 m25.1°C35 m
Feb 13, 202668 m25.1°C47 m
Feb 19, 2026199 m24.8°C160 m
Feb 27, 2026185 m24.6°C68 m
Mar 1, 2026199 m24.7°C129 m
Mar 2, 202686 m24.6°C38 m
Mar 2, 2026199 m24.8°C59 m
Mar 5, 202688 m24.9°C59 m
Mar 5, 202672 m24.7°C60 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
Feb 11, 2026 — seafloor 16 m (measured), deepest dive 12 m (modelled)Feb 11Feb 13, 2026 — seafloor 42 m (measured), deepest dive 35 m (modelled)Feb 13Feb 13, 2026 — seafloor 68 m (measured), deepest dive 47 m (modelled)Feb 13Feb 19, 2026 — seafloor 199 m (measured), deepest dive 160 m (modelled)Feb 19Feb 27, 2026 — seafloor 185 m (measured), deepest dive 68 m (modelled)Feb 27Mar 1, 2026 — seafloor 199 m (measured), deepest dive 129 m (modelled)Mar 1Mar 2, 2026 — seafloor 86 m (measured), deepest dive 38 m (modelled)Mar 2Mar 2, 2026 — seafloor 199 m (measured), deepest dive 59 m (modelled)Mar 2Mar 5, 2026 — seafloor 88 m (measured), deepest dive 59 m (modelled)Mar 5Mar 5, 2026 — seafloor 72 m (measured), deepest dive 60 m (modelled)Mar 5

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

Dives

160 m
Deepest dive
5:06
Longest dive
112
Dives
24 m
Avg dive depth
10
Sightings
22
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200160 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (199 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 · Feb 19, 2026

measured
Seafloor depth
199 m
Sea-surface temperature
24.8°C
Distance from shore
11.0 km

Across the residency · 10 sightings

measured
Seafloor depth
16 m – 199 m
Sea-surface temperature
24.6°C – 25.1°C
Distance from shore
2.0 km – 11.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 10 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.