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

Hopkin's Rose – Residency

53rd sighting in Monterey Bay
Fluke of Hopkin's Rose
Hopkin's Rose Confirmed in the catalog @252
Oct 22 – Nov 10, 2023 · Monterey Bay

October anchors me

The bay holds me close, same waters calling me back again.

120 m
Deepest dive
3:54
Longest dive
50
Dives
Sightings
4
Days between first and last sighting
19

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 22, 2023103 m16.7°C62 m
Oct 25, 2023130 m15.6°C105 m
Oct 31, 2023291 m14.4°C120 m
Nov 10, 2023438 m14.1°C14 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
Oct 22, 2023 — seafloor 103 m (measured), deepest dive 62 m (modelled)Oct 22Oct 25, 2023 — seafloor 130 m (measured), deepest dive 105 m (modelled)Oct 25Oct 31, 2023 — seafloor 291 m (measured), deepest dive 120 m (modelled)Oct 31Nov 10, 2023 — seafloor 438 m (measured), deepest dive 14 m (modelled)Nov 10

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

Dives

120 m
Deepest dive
3:54
Longest dive
50
Dives
25 m
Avg dive depth
4
Sightings
19
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150120 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (291 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 · Oct 31, 2023

measured
Seafloor depth
291 m
Sea-surface temperature
14.4°C
Distance from shore
13.0 km

Across the residency · 4 sightings

measured
Seafloor depth
103 m – 438 m
Sea-surface temperature
14.1°C – 16.7°C
Distance from shore
4.0 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 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.