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

Travis – Residency

4th sighting in Chatham Strait
Fluke of Travis
Travis Confirmed in the catalog @5502
Jun 12 – Sep 19, 2019 · Chatham Strait

Chatham Strait · Jun – Sep 2019

80 m
Deepest dive
3:26
Longest dive
35
Dives
Sightings
4
Days between first and last sighting
99

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 12, 201954 m—26 m
Jul 31, 201988 m—80 m
Aug 26, 2019-7 m——
Sep 19, 201944 m—37 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 12, 2019 — seafloor 54 m (measured), deepest dive 26 m (modelled)Jun 12Jul 31, 2019 — seafloor 88 m (measured), deepest dive 80 m (modelled)Jul 31Aug 26, 2019 — seafloor -7 m (measured), deepest dive — (modelled)Aug 26Sep 19, 2019 — seafloor 44 m (measured), deepest dive 37 m (modelled)Sep 19

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

Dives

80 m
Deepest dive
3:26
Longest dive
35
Dives
18 m
Avg dive depth
4
Sightings
99
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010080 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (88 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 31, 2019

measured
Seafloor depth
88 m
Sea-surface temperature
—
Distance from shore
—

Across the residency · 4 sightings

measured
Seafloor depth
-7 m – 88 m
Sea-surface temperature
—
Distance from shore
1.0 km – 4.0 km

Sources: GEBCO seafloor grid · 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.