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Cetaceans
Mysticetes
Odontocetes
The difference between whale, sperm whale and dolphin
Cetacean evolution
Cetacean records
How to identify a cetacean?
Size comparator
Interactive phylogeny
Interactive anatomy
Famous cetaceans
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🧭 50+ databases
Freshwater cetaceans
Epibionts & symbioses
Sleep in cetaceans
Etymology of the names
Diets
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Aquatic behaviours
Swimming performance
Diving physiology
Senses: hearing & vision
Energy & metabolism
Hydrodynamics (Strouhal)
Lactation
Social cohesion
Mating & reproduction
Anatomical counts
Comparative morphometrics
Tools & techniques
Cognitive tests
Sequenced genomes
Hybridisations
Pigmentation variants
Diving records
Thermal preferences
Watching
When to watch cetaceans
Watching calendar
How should you prepare for your whale watching trip?
Whale watching certification labels
HQWW directory and associations
Where to watch whales and dolphins
Watching in the Mediterranean
Map of cetaceans in France
Marine mammals of France
Most recorded cetaceans (GBIF)
Annual migrations
Identify my cetacean
Identifying by the blow
Ocean currents
Sea level (satellite)
Bay of Biscay: plankton & temperature
Seabed types (Bay of Biscay)
GBIF records (Bay of Biscay)
Fishing & ship strikes (Bay of Biscay)
Ships by satellite (VesselFinder)
Offshore wind and cetaceans (France)
Cetacean distribution (DCSMM)
Crozet & Kerguelen
Marine sanctuaries worldwide
MPAs worldwide
Strandings
What should you do if you find a stranded cetacean?
The RNE (Réseau National Echouage) in France
Why study strandings?
What causes strandings?
Stranding map
Chemical pollution
Bycatch
International legal framework
Blue carbon
Climate change
Diseases
Ocean noise
Current demographics
Captivity & sanctuaries
Rescues
Media
Research & discoveries
Cetaceans and human culture
A history of whaling
Cetacean sound library
Video library
Encyclopaedia of cetacean researchers: who studies cetaceans
Research organisations (worldwide)
Audio quiz: recognise the cetacean
Whaling 1900-2025
Cetacean documentaries
Call library
🧭 Explore all the data
Live hydrophones
Whale products
📸 Cetacean photographers
Military marine mammals
Scientific bibliography
Quotations from cetology
Acoustic profile
Fiction films
History of the discoveries
Cetaceans in music
Myths & folklore
Skeletons in museums
Acoustic monitoring (PAM)
Tracking technologies
Education
🧭 Explore all the tools
How to act
Bibliography & media library
For children
For teachers
Breath-hold calculator vs cetaceans
Whale falls
Citizen science
Open data
Watch: the FORESEA dataset
About
Our blog
Contact us
Cetaceans
Mysticetes
Odontocetes
The difference between whale, sperm whale and dolphin
Cetacean evolution
Cetacean records
How to identify a cetacean?
Size comparator
Interactive phylogeny
Interactive anatomy
Famous cetaceans
Ancestral fossils
IUCN status by species
🧭 50+ databases
Freshwater cetaceans
Epibionts & symbioses
Sleep in cetaceans
Etymology of the names
Diets
Life cycles
Brain & cognition
Aquatic behaviours
Swimming performance
Diving physiology
Senses: hearing & vision
Energy & metabolism
Hydrodynamics (Strouhal)
Lactation
Social cohesion
Mating & reproduction
Anatomical counts
Comparative morphometrics
Tools & techniques
Cognitive tests
Sequenced genomes
Hybridisations
Pigmentation variants
Diving records
Thermal preferences
Watching
When to watch cetaceans
Watching calendar
How should you prepare for your whale watching trip?
Whale watching certification labels
HQWW directory and associations
Where to watch whales and dolphins
Watching in the Mediterranean
Map of cetaceans in France
Marine mammals of France
Most recorded cetaceans (GBIF)
Annual migrations
Identify my cetacean
Identifying by the blow
Ocean currents
Sea level (satellite)
Bay of Biscay: plankton & temperature
Seabed types (Bay of Biscay)
GBIF records (Bay of Biscay)
Fishing & ship strikes (Bay of Biscay)
Ships by satellite (VesselFinder)
Offshore wind and cetaceans (France)
Cetacean distribution (DCSMM)
Crozet & Kerguelen
Marine sanctuaries worldwide
MPAs worldwide
Strandings
What should you do if you find a stranded cetacean?
The RNE (Réseau National Echouage) in France
Why study strandings?
What causes strandings?
Stranding map
Chemical pollution
Bycatch
International legal framework
Blue carbon
Climate change
Diseases
Ocean noise
Current demographics
Captivity & sanctuaries
Rescues
Media
Research & discoveries
Cetaceans and human culture
A history of whaling
Cetacean sound library
Video library
Encyclopaedia of cetacean researchers: who studies cetaceans
Research organisations (worldwide)
Audio quiz: recognise the cetacean
Whaling 1900-2025
Cetacean documentaries
Call library
🧭 Explore all the data
Live hydrophones
Whale products
📸 Cetacean photographers
Military marine mammals
Scientific bibliography
Quotations from cetology
Acoustic profile
Fiction films
History of the discoveries
Cetaceans in music
Myths & folklore
Skeletons in museums
Acoustic monitoring (PAM)
Tracking technologies
Education
🧭 Explore all the tools
How to act
Bibliography & media library
For children
For teachers
Breath-hold calculator vs cetaceans
Whale falls
Citizen science
Open data
Watch: the FORESEA dataset
About
Our blog
Contact us
Français
English
The Cetacean Journal
News, discoveries and stories from the marine world!
Latest news from the open sea
Dive into our selection of articles to find out all about cetaceans and their environment.
News
Tahlequah (J35) has a son, J65, seen on 19 October, sixteen days after J31 was spotted carrying a dead newborn
•
27 October 2026
•
Eric GARLETTI
News
An unexpected link between whale song and Einstein’s theory of special relativity
•
6 September 2026
•
Eric GARLETTI
News
The killer whale’s white patches: the study said to have solved their mystery does not exist
•
5 September 2026
•
Eric GARLETTI
News
Two viruses that no one had ever described have just been identified in tissues from short-finned pilot whales and killer whales
•
4 September 2026
•
Eric GARLETTI
News
St Lawrence belugas: twice as numerous as was thought, and no healthier
•
3 September 2026
•
Eric GARLETTI
News
Environmental DNA: sea water reveals a beaked whale the SCANS surveys had never seen
•
2 September 2026
•
Eric GARLETTI
News
Krill fishing closed on 12 August: the 620,000-tonne threshold no longer serves the purpose it was created for
•
1 September 2026
•
Eric GARLETTI
News
When a menopausal killer whale dies, the risk of death for her grandoffspring is multiplied by 6.7
•
31 August 2026
•
Eric GARLETTI
News
A dead whale on the Papara reef, her injured calf alone in the lagoon: swimming banned within 300 metres in Tahiti
•
31 August 2026
•
Eric GARLETTI
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