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Lynn Canal & Stephens Passage

Chromosome – Residency

28th sighting in Lynn Canal & Stephens Passage
Fluke of Chromosome
Chromosome Confirmed in the catalog @15642
Jun 12 – Aug 22, 2026 · Lynn Canal & Stephens Passage

Bubble Net Season, In Full Swing

Cold water, my crew, and a net full of fish. Perfect summer.

168 m
Deepest dive
6:56
Longest dive
296
Dives
Sightings
26
Days between first and last sighting
71

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 12, 2026457 m9.9°C168 m
Jun 24, 2026262 m11.5°C69 m
Jul 3, 202672 m11.3°C54 m
Jul 31, 202674 m13.0°C44 m
Aug 1, 202678 m13.3°C48 m
Aug 2, 202693 m13.7°C44 m
Aug 3, 202664 m13.7°C35 m
Aug 4, 202664 m13.8°C43 m
Aug 5, 202661 m14.0°C40 m
Aug 6, 202698 m14.0°C72 m
Aug 7, 2026124 m13.8°C72 m
Aug 8, 202680 m13.6°C40 m
Aug 9, 202687 m14.4°C76 m
Aug 10, 2026101 m14.8°C41 m
Aug 11, 202674 m15.2°C12 m
Aug 12, 202669 m15.2°C62 m
Aug 13, 202683 m15.1°C60 m
Aug 14, 2026110 m14.9°C86 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, 2026 — seafloor 457 m (measured), deepest dive 168 m (modelled)Jun 12Jun 24, 2026 — seafloor 262 m (measured), deepest dive 69 m (modelled)Jul 3, 2026 — seafloor 72 m (measured), deepest dive 54 m (modelled)Jul 31, 2026 — seafloor 74 m (measured), deepest dive 44 m (modelled)Aug 1, 2026 — seafloor 78 m (measured), deepest dive 48 m (modelled)Aug 2, 2026 — seafloor 93 m (measured), deepest dive 44 m (modelled)Aug 2Aug 3, 2026 — seafloor 64 m (measured), deepest dive 35 m (modelled)Aug 4, 2026 — seafloor 64 m (measured), deepest dive 43 m (modelled)Aug 5, 2026 — seafloor 61 m (measured), deepest dive 40 m (modelled)Aug 6, 2026 — seafloor 98 m (measured), deepest dive 72 m (modelled)Aug 7, 2026 — seafloor 124 m (measured), deepest dive 72 m (modelled)Aug 7Aug 8, 2026 — seafloor 80 m (measured), deepest dive 40 m (modelled)Aug 9, 2026 — seafloor 87 m (measured), deepest dive 76 m (modelled)Aug 10, 2026 — seafloor 101 m (measured), deepest dive 41 m (modelled)Aug 11, 2026 — seafloor 74 m (measured), deepest dive 12 m (modelled)Aug 12, 2026 — seafloor 69 m (measured), deepest dive 62 m (modelled)Aug 12Aug 13, 2026 — seafloor 83 m (measured), deepest dive 60 m (modelled)Aug 14, 2026 — seafloor 110 m (measured), deepest dive 86 m (modelled)Aug 15, 2026 — seafloor 86 m (measured), deepest dive 62 m (modelled)Aug 16, 2026 — seafloor 84 m (measured), deepest dive 34 m (modelled)Aug 17, 2026 — seafloor 61 m (measured), deepest dive 43 m (modelled)Aug 17Aug 18, 2026 — seafloor 81 m (measured), deepest dive 61 m (modelled)Aug 19, 2026 — seafloor 150 m (measured), deepest dive 52 m (modelled)Aug 20, 2026 — seafloor 179 m (measured), deepest dive 25 m (modelled)Aug 21, 2026 — seafloor 72 m (measured), deepest dive 60 m (modelled)Aug 22, 2026 — seafloor 114 m (measured), deepest dive 69 m (modelled)Aug 22

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

Dives

168 m
Deepest dive
6:56
Longest dive
296
Dives
22 m
Avg dive depth
26
Sightings
71
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200168 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (457 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 12, 2026

measured
Seafloor depth
457 m
Sea-surface temperature
9.9°C
Distance from shore
3.0 km

Across the residency · 26 sightings

measured
Seafloor depth
61 m – 457 m
Sea-surface temperature
9.9°C – 15.7°C
Distance from shore
1.0 km – 3.0 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 26 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.