Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Marcell – Residency

4th sighting in Monterey Bay
Fluke of Marcell
Marcell Confirmed in the catalog @158
Jun 24 – 25, 2026 · Monterey Bay

Green Water, Good Company

Krill's thick, faces I know, this shelf never disappoints.

79 m
Deepest dive
3:15
Longest dive
14
Dives
Sightings
2
Days between first and last sighting
1

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 24, 202684 m16.5°C34 m
Jun 25, 202688 m16.3°C79 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 24, 2026 — seafloor 84 m (measured), deepest dive 34 m (modelled)Jun 24Jun 25, 2026 — seafloor 88 m (measured), deepest dive 79 m (modelled)Jun 25

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

Dives

79 m
Deepest dive
3:15
Longest dive
14
Dives
22 m
Avg dive depth
2
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010079 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 · Jun 25, 2026

measured
Seafloor depth
88 m
Sea-surface temperature
16.3°C
Distance from shore
11.0 km

Across the residency · 2 sightings

measured
Seafloor depth
84 m – 88 m
Sea-surface temperature
16.3°C – 16.5°C
Distance from shore
11.0 km – 13.0 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 2 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.