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

Streetlamp – Residency

30th sighting in Chatham Strait
Fluke of Streetlamp
Streetlamp Confirmed in the catalog @5662
Jun 21 – Aug 9, 2023 · Chatham Strait

Chatham Strait · Jun – Aug 2023

72 m
Deepest dive
2:35
Longest dive
156
Dives
Sightings
14
Days between first and last sighting
49

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 21, 2023128 m9.8°C63 m
Jun 28, 202339 m10.5°C20 m
Jul 8, 2023111 m11.9°C72 m
Jul 11, 202357 m12.0°C46 m
Jul 14, 202364 m13.1°C55 m
Jul 14, 202342 m13.0°C37 m
Jul 15, 202365 m13.0°C60 m
Jul 15, 2023362 m13.3°C30 m
Jul 17, 202391 m12.0°C65 m
Jul 20, 202348 m11.7°C23 m
Jul 24, 202360 m12.2°C42 m
Jul 28, 202392 m12.9°C53 m
Jul 29, 202351 m13.9°C41 m
Aug 9, 202390 m12.7°C50 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 21, 2023 — seafloor 128 m (measured), deepest dive 63 m (modelled)Jun 21Jun 28, 2023 — seafloor 39 m (measured), deepest dive 20 m (modelled)Jul 8, 2023 — seafloor 111 m (measured), deepest dive 72 m (modelled)Jul 11, 2023 — seafloor 57 m (measured), deepest dive 46 m (modelled)Jul 11Jul 14, 2023 — seafloor 64 m (measured), deepest dive 55 m (modelled)Jul 14, 2023 — seafloor 42 m (measured), deepest dive 37 m (modelled)Jul 15, 2023 — seafloor 65 m (measured), deepest dive 60 m (modelled)Jul 15Jul 15, 2023 — seafloor 362 m (measured), deepest dive 30 m (modelled)Jul 17, 2023 — seafloor 91 m (measured), deepest dive 65 m (modelled)Jul 20, 2023 — seafloor 48 m (measured), deepest dive 23 m (modelled)Jul 20Jul 24, 2023 — seafloor 60 m (measured), deepest dive 42 m (modelled)Jul 28, 2023 — seafloor 92 m (measured), deepest dive 53 m (modelled)Jul 29, 2023 — seafloor 51 m (measured), deepest dive 41 m (modelled)Jul 29Aug 9, 2023 — seafloor 90 m (measured), deepest dive 50 m (modelled)

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

Dives

72 m
Deepest dive
2:35
Longest dive
156
Dives
21 m
Avg dive depth
14
Sightings
49
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (111 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 8, 2023

measured
Seafloor depth
111 m
Sea-surface temperature
11.9°C
Distance from shore
3.0 km

Across the residency · 14 sightings

measured
Seafloor depth
39 m – 362 m
Sea-surface temperature
9.8°C – 13.9°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 14 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.