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Kenai Fjords & Resurrection Bay

Grasshopper – Residency

37th sighting in Kenai Fjords & Resurrection Bay
Fluke of Grasshopper
Grasshopper Confirmed in the catalog @13739
Jun 14 – Aug 4, 2025 · Kenai Fjords & Resurrection Bay

Kenai Fjords & Resurrection Bay · Jun – Aug 2025

73 m
Deepest dive
4:12
Longest dive
244
Dives
Sightings
19
Days between first and last sighting
51

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 14, 2025293 m10.1°C41 m
Jul 4, 202580 m11.9°C28 m
Jul 7, 202561 m12.3°C45 m
Jul 8, 202592 m12.1°C73 m
Jul 9, 202579 m12.2°C36 m
Jul 11, 202543 m12.3°C28 m
Jul 13, 202553 m12.4°C37 m
Jul 14, 202562 m12.5°C34 m
Jul 15, 202552 m12.6°C44 m
Jul 19, 2025145 m12.9°C68 m
Jul 20, 202571 m13.9°C58 m
Jul 21, 202565 m14.2°C60 m
Jul 22, 202554 m14.4°C46 m
Jul 27, 202562 m13.5°C41 m
Jul 28, 202597 m13.7°C58 m
Jul 29, 202589 m14.0°C45 m
Aug 2, 2025111 m14.1°C53 m
Aug 3, 2025119 m14.3°C18 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 14, 2025 — seafloor 293 m (measured), deepest dive 41 m (modelled)Jun 14Jul 4, 2025 — seafloor 80 m (measured), deepest dive 28 m (modelled)Jul 7, 2025 — seafloor 61 m (measured), deepest dive 45 m (modelled)Jul 8, 2025 — seafloor 92 m (measured), deepest dive 73 m (modelled)Jul 9, 2025 — seafloor 79 m (measured), deepest dive 36 m (modelled)Jul 9Jul 11, 2025 — seafloor 43 m (measured), deepest dive 28 m (modelled)Jul 13, 2025 — seafloor 53 m (measured), deepest dive 37 m (modelled)Jul 14, 2025 — seafloor 62 m (measured), deepest dive 34 m (modelled)Jul 15, 2025 — seafloor 52 m (measured), deepest dive 44 m (modelled)Jul 15Jul 19, 2025 — seafloor 145 m (measured), deepest dive 68 m (modelled)Jul 20, 2025 — seafloor 71 m (measured), deepest dive 58 m (modelled)Jul 21, 2025 — seafloor 65 m (measured), deepest dive 60 m (modelled)Jul 22, 2025 — seafloor 54 m (measured), deepest dive 46 m (modelled)Jul 22Jul 27, 2025 — seafloor 62 m (measured), deepest dive 41 m (modelled)Jul 28, 2025 — seafloor 97 m (measured), deepest dive 58 m (modelled)Jul 29, 2025 — seafloor 89 m (measured), deepest dive 45 m (modelled)Aug 2, 2025 — seafloor 111 m (measured), deepest dive 53 m (modelled)Aug 2Aug 3, 2025 — seafloor 119 m (measured), deepest dive 18 m (modelled)Aug 4, 2025 — seafloor 110 m (measured), deepest dive 51 m (modelled)

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

Dives

73 m
Deepest dive
4:12
Longest dive
244
Dives
19 m
Avg dive depth
19
Sightings
51
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010073 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (92 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, 2025

measured
Seafloor depth
92 m
Sea-surface temperature
12.1°C
Distance from shore
3.0 km

Across the residency · 19 sightings

measured
Seafloor depth
43 m – 293 m
Sea-surface temperature
10.1°C – 14.4°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 19 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.