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

Ika – Residency

2nd sighting in Au'au Channel
Fluke of Ika
Ika Confirmed in the catalog @5518
Jan 3 – 20, 2023 · Au'au Channel

Au'au Channel · Jan 2023

99 m
Deepest dive
3:39
Longest dive
27
Dives
Sightings
3
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 3, 202317 m24.5°C15 m
Jan 9, 202368 m25.5°C31 m
Jan 20, 2023221 m25.4°C99 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 3, 2023 — seafloor 17 m (measured), deepest dive 15 m (modelled)Jan 3Jan 9, 2023 — seafloor 68 m (measured), deepest dive 31 m (modelled)Jan 9Jan 20, 2023 — seafloor 221 m (measured), deepest dive 99 m (modelled)Jan 20

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

Dives

99 m
Deepest dive
3:39
Longest dive
27
Dives
22 m
Avg dive depth
3
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010099 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (221 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 · Jan 20, 2023

measured
Seafloor depth
221 m
Sea-surface temperature
25.4°C
Distance from shore
9.0 km

Across the residency · 3 sightings

measured
Seafloor depth
17 m – 221 m
Sea-surface temperature
24.5°C – 25.5°C
Distance from shore
2.0 km – 9.0 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 3 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.