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

Crazytail – Residency

9th sighting in Chatham Strait
Fluke of Crazytail
Crazytail Confirmed in the catalog @13731
Jul 29 – Aug 30, 2021 · Chatham Strait

Chatham Strait · Jul – Aug 2021

154 m
Deepest dive
4:24
Longest dive
82
Dives
Sightings
7
Days between first and last sighting
33

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 29, 202196 m12.8°C45 m
Aug 14, 2021204 m10.1°C154 m
Aug 14, 2021204 m10.1°C104 m
Aug 14, 202164 m10.0°C31 m
Aug 16, 202132 m11.0°C29 m
Aug 20, 2021111 m13.8°C52 m
Aug 30, 202155 m10.8°C47 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
Jul 29, 2021 — seafloor 96 m (measured), deepest dive 45 m (modelled)Jul 29Aug 14, 2021 — seafloor 204 m (measured), deepest dive 154 m (modelled)Aug 14Aug 14, 2021 — seafloor 204 m (measured), deepest dive 104 m (modelled)Aug 14Aug 14, 2021 — seafloor 64 m (measured), deepest dive 31 m (modelled)Aug 14Aug 16, 2021 — seafloor 32 m (measured), deepest dive 29 m (modelled)Aug 16Aug 20, 2021 — seafloor 111 m (measured), deepest dive 52 m (modelled)Aug 20Aug 30, 2021 — seafloor 55 m (measured), deepest dive 47 m (modelled)Aug 30

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

Dives

154 m
Deepest dive
4:24
Longest dive
82
Dives
22 m
Avg dive depth
7
Sightings
33
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200154 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (204 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 · Aug 14, 2021

measured
Seafloor depth
204 m
Sea-surface temperature
10.1°C
Distance from shore
8.0 km

Across the residency · 7 sightings

measured
Seafloor depth
32 m – 204 m
Sea-surface temperature
10.0°C – 13.8°C
Distance from shore
1.0 km – 8.0 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 7 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.