Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Sitka Sound & Outer Baranof

Fangs – Residency

36th sighting in Sitka Sound & Outer Baranof
Fluke of Fangs
Fangs Confirmed in the catalog @26838
Mar 27 – 29, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Mar 2025

41 m
Deepest dive
1:59
Longest dive
34
Dives
Sightings
3
Days between first and last sighting
2

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 27, 202542 m5.4°C21 m
Mar 28, 2025116 m5.6°C41 m
Mar 29, 202542 m5.7°C37 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
Mar 27, 2025 — seafloor 42 m (measured), deepest dive 21 m (modelled)Mar 27Mar 28, 2025 — seafloor 116 m (measured), deepest dive 41 m (modelled)Mar 28Mar 29, 2025 — seafloor 42 m (measured), deepest dive 37 m (modelled)Mar 29

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

Dives

41 m
Deepest dive
1:59
Longest dive
34
Dives
16 m
Avg dive depth
3
Sightings
2
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255041 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (116 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 · Mar 28, 2025

measured
Seafloor depth
116 m
Sea-surface temperature
5.6°C
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
42 m – 116 m
Sea-surface temperature
5.4°C – 5.7°C
Distance from shore
1.0 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.