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

Eocene – Residency

4th sighting in Au'au Channel
Fluke of Eocene
Eocene Confirmed in the catalog @5308
Jan 31 – Feb 8, 2021 · Au'au Channel

Au'au Channel · Jan – Feb 2021

17 m
Deepest dive
1:04
Longest dive
12
Dives
Sightings
2
Days between first and last sighting
8

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 31, 202116 m24.8°C9 m
Feb 8, 202121 m24.9°C17 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
Jan 31, 2021 — seafloor 16 m (measured), deepest dive 9 m (modelled)Jan 31Feb 8, 2021 — seafloor 21 m (measured), deepest dive 17 m (modelled)Feb 8

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

Dives

17 m
Deepest dive
1:04
Longest dive
12
Dives
8 m
Avg dive depth
2
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255017 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (21 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 8, 2021

measured
Seafloor depth
21 m
Sea-surface temperature
24.9°C
Distance from shore
2.0 km

Across the residency · 2 sightings

measured
Seafloor depth
16 m – 21 m
Sea-surface temperature
24.8°C – 24.9°C
Distance from shore
2.0 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.