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

Hobo – Residency

13th sighting in Clarence Strait
Fluke of Hobo
Hobo Confirmed in the catalog @6329
Jun 25 – Aug 29, 2025 · Clarence Strait

Clarence Strait · Jun – Aug 2025

37 m
Deepest dive
1:45
Longest dive
68
Dives
Sightings
4
Days between first and last sighting
65

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 25, 202544 m11.0°C37 m
Aug 17, 202545 m14.6°C35 m
Aug 25, 202516 m14.8°C13 m
Aug 29, 202529 m15.0°C26 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 25, 2025 — seafloor 44 m (measured), deepest dive 37 m (modelled)Jun 25Aug 17, 2025 — seafloor 45 m (measured), deepest dive 35 m (modelled)Aug 17Aug 25, 2025 — seafloor 16 m (measured), deepest dive 13 m (modelled)Aug 25Aug 29, 2025 — seafloor 29 m (measured), deepest dive 26 m (modelled)Aug 29

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

Dives

37 m
Deepest dive
1:45
Longest dive
68
Dives
12 m
Avg dive depth
4
Sightings
65
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255037 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (44 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 · Jun 25, 2025

measured
Seafloor depth
44 m
Sea-surface temperature
11.0°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
16 m – 45 m
Sea-surface temperature
11.0°C – 15.0°C
Distance from shore
1.0 km – 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 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.