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

Ikabaud – Residency

37th sighting in Chatham Strait
Fluke of Ikabaud
Ikabaud Confirmed in the catalog @6296
Jun 30 – Aug 10, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

50 m
Deepest dive
1:49
Longest dive
41
Dives
Sightings
4
Days between first and last sighting
41

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 30, 202494 m11.3°C31 m
Jul 3, 202457 m10.3°C40 m
Jul 29, 202455 m9.8°C50 m
Aug 10, 202443 m12.8°C35 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
Jun 30, 2024 — seafloor 94 m (measured), deepest dive 31 m (modelled)Jun 30Jul 3, 2024 — seafloor 57 m (measured), deepest dive 40 m (modelled)Jul 3Jul 29, 2024 — seafloor 55 m (measured), deepest dive 50 m (modelled)Jul 29Aug 10, 2024 — seafloor 43 m (measured), deepest dive 35 m (modelled)Aug 10

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

Dives

50 m
Deepest dive
1:49
Longest dive
41
Dives
18 m
Avg dive depth
4
Sightings
41
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255050 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (55 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 · Jul 29, 2024

measured
Seafloor depth
55 m
Sea-surface temperature
9.8°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
43 m – 94 m
Sea-surface temperature
9.8°C – 12.8°C
Distance from shore
1.0 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 4 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.