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Au'au Channel

Mana – Residency

33rd sighting in Au'au Channel
Fluke of Mana
Mana Confirmed in the catalog @14473
Dec 30, 2025 – Feb 26, 2026 · Au'au Channel

Au'au Channel · Dec 2025 – Feb 2026

104 m
Deepest dive
3:36
Longest dive
118
Dives
Sightings
11
Days between first and last sighting
59

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 30, 20251,580 m25.3°C104 m
Dec 30, 202596 m25.3°C85 m
Jan 25, 202625 m25.4°C16 m
Jan 26, 202622 m25.4°C17 m
Feb 10, 202666 m25.0°C60 m
Feb 10, 202622 m24.9°C20 m
Feb 10, 202622 m24.9°C14 m
Feb 11, 202666 m25.0°C57 m
Feb 25, 202655 m24.4°C42 m
Feb 25, 202642 m24.4°C18 m
Feb 26, 202616 m24.3°C13 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, 2025 — seafloor 1,580 m (measured), deepest dive 104 m (modelled)Dec 30Dec 30, 2025 — seafloor 96 m (measured), deepest dive 85 m (modelled)Dec 30Jan 25, 2026 — seafloor 25 m (measured), deepest dive 16 m (modelled)Jan 25Jan 26, 2026 — seafloor 22 m (measured), deepest dive 17 m (modelled)Jan 26Feb 10, 2026 — seafloor 66 m (measured), deepest dive 60 m (modelled)Feb 10Feb 10, 2026 — seafloor 22 m (measured), deepest dive 20 m (modelled)Feb 10Feb 10, 2026 — seafloor 22 m (measured), deepest dive 14 m (modelled)Feb 10Feb 11, 2026 — seafloor 66 m (measured), deepest dive 57 m (modelled)Feb 11Feb 25, 2026 — seafloor 55 m (measured), deepest dive 42 m (modelled)Feb 25Feb 25, 2026 — seafloor 42 m (measured), deepest dive 18 m (modelled)Feb 25Feb 26, 2026 — seafloor 16 m (measured), deepest dive 13 m (modelled)Feb 26

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

Dives

104 m
Deepest dive
3:36
Longest dive
118
Dives
19 m
Avg dive depth
11
Sightings
59
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,580 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 30, 2025

measured
Seafloor depth
1,580 m
Sea-surface temperature
25.3°C
Distance from shore
5.0 km

Across the residency · 11 sightings

measured
Seafloor depth
16 m – 1,580 m
Sea-surface temperature
24.3°C – 25.4°C
Distance from shore
2.0 km – 5.0 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 11 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.