Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Gulf of California

Lemni – Residency

11th sighting in Gulf of California
Fluke of Lemni
Lemni Confirmed in the catalog @12760
Mar 19 – 26, 2026 · Gulf of California

Green Water, March Company

Warm shallows, new faces every surface — this stretch never got old.

90 m
Deepest dive
3:08
Longest dive
26
Dives
Sightings
4
Days between first and last sighting
7

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 19, 2026327 m22.6°C52 m
Mar 19, 202618 m22.6°C15 m
Mar 20, 2026327 m22.7°C26 m
Mar 26, 2026327 m22.5°C90 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
Mar 19, 2026 — seafloor 327 m (measured), deepest dive 52 m (modelled)Mar 19Mar 19, 2026 — seafloor 18 m (measured), deepest dive 15 m (modelled)Mar 19Mar 20, 2026 — seafloor 327 m (measured), deepest dive 26 m (modelled)Mar 20Mar 26, 2026 — seafloor 327 m (measured), deepest dive 90 m (modelled)Mar 26

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

Dives

90 m
Deepest dive
3:08
Longest dive
26
Dives
30 m
Avg dive depth
4
Sightings
7
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010090 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (327 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 · Mar 26, 2026

measured
Seafloor depth
327 m
Sea-surface temperature
22.5°C
Distance from shore
4.0 km

Across the residency · 4 sightings

measured
Seafloor depth
18 m – 327 m
Sea-surface temperature
22.5°C – 22.7°C
Distance from shore
3.0 km – 4.0 km

Sources: GEBCO seafloor grid · NOAA OISST 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.