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

Cantus – Residency

45th sighting in Monterey Bay
Fluke of Cantus
Cantus Confirmed in the catalog @14931
Apr 14 – Nov 3, 2020 · Monterey Bay

Monterey Bay · Apr – Nov 2020

225 m
Deepest dive
6:58
Longest dive
143
Dives
Sightings
13
Days between first and last sighting
203

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Apr 14, 2020410 m13.6°C211 m
Apr 27, 202078 m14.3°C34 m
May 13, 2020144 m14.1°C126 m
Jun 13, 2020270 m12.9°C30 m
Sep 7, 202085 m17.4°C76 m
Oct 23, 202071 m15.4°C58 m
Oct 24, 2020686 m15.3°C96 m
Oct 25, 2020510 m15.0°C87 m
Oct 26, 2020451 m15.1°C95 m
Oct 27, 2020446 m15.1°C225 m
Oct 29, 2020555 m15.4°C122 m
Oct 30, 2020359 m15.5°C225 m
Nov 3, 202098 m15.0°C33 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
Apr 14, 2020 — seafloor 410 m (measured), deepest dive 211 m (modelled)Apr 14Apr 27, 2020 — seafloor 78 m (measured), deepest dive 34 m (modelled)May 13, 2020 — seafloor 144 m (measured), deepest dive 126 m (modelled)Jun 13, 2020 — seafloor 270 m (measured), deepest dive 30 m (modelled)Jun 13Sep 7, 2020 — seafloor 85 m (measured), deepest dive 76 m (modelled)Oct 23, 2020 — seafloor 71 m (measured), deepest dive 58 m (modelled)Oct 24, 2020 — seafloor 686 m (measured), deepest dive 96 m (modelled)Oct 24Oct 25, 2020 — seafloor 510 m (measured), deepest dive 87 m (modelled)Oct 26, 2020 — seafloor 451 m (measured), deepest dive 95 m (modelled)Oct 27, 2020 — seafloor 446 m (measured), deepest dive 225 m (modelled)Oct 27Oct 29, 2020 — seafloor 555 m (measured), deepest dive 122 m (modelled)Oct 30, 2020 — seafloor 359 m (measured), deepest dive 225 m (modelled)Nov 3, 2020 — seafloor 98 m (measured), deepest dive 33 m (modelled)Nov 3

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

Dives

225 m
Deepest dive
6:58
Longest dive
143
Dives
31 m
Avg dive depth
13
Sightings
203
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250225 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (446 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.

Unlock with Risa Deep

Place

Where this happened · Oct 27, 2020

measured
Seafloor depth
446 m
Sea-surface temperature
15.1°C
Distance from shore
10.0 km

Across the residency · 13 sightings

measured
Seafloor depth
71 m – 686 m
Sea-surface temperature
12.9°C – 17.4°C
Distance from shore
4.0 km – 15.0 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 13 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.