Cetus Project
The CETUS Project is a cetacean monitoring programme based at CIIMAR 🐳🔍
CETUS Project started in 2012, with the aim of collecting cetacean occurrence data in the Eastern North Atlantic to study their distribution and habitat. At the moment, it is constituted by a small team of young researchers, each of them specialising in a topic of cetacean ecology but working together to produce integrated analyses and valuable results for cetacean conservation. Over time, CETUS Project has built solid collaborations from which they are eager to learn, apply their expertise in the CETUS study area, and investigate novel approaches to cetacean ecology. Within CETUS, the following monitoring activities are ongoing:
- Visual monitoring, along long-transect routes, onboard large vessels used as platforms of opportunity. This is possible thanks to CETUS collaborations with Transinsular (a Portuguese shipping company), the Hydrographic Institute of the Portuguese Navy, and the Portuguese Institute for Sea and Atmosphere - IPMA. These collaborations allow the collection of cetacean occurrence data in a wide range area, between Mainland Portugal and the Macaronesian archipelagos, covering offshore waters.
- "Botos da Foz": a visual land-based monitoring programme at the mouth of Douro River (Porto, Portugal), in which the focus species is the endangered harbour porpoise (Phocoena phocoena). The CETUS team also participates in dedicated cetacean monitoring campaigns, in the scope of the ATLANTIDA Project, during which data on cetacean occurrence, photo-ID, blow samples, biopsies, environmental DNA and acoustic recordings are collected off the northern coast of Continental Portugal. Furthermore, CETUS Project assumes an active role in environmental education by giving talks in schools and universities, organising cetacean-related workshops/courses, supervising students (bachelor's, master's and doctoral degrees) and integrating them in monitoring activities, providing hands-on experience to the interns.
23/09/2026
[EN] Somewhere between Ponta Delgada and Lisbon, the Monte da Guia cargo ship had an exciting encounter with one of the ocean’s giants: a fin whale (Balaenoptera physalus) 🐋
The whale surfaced alongside the vessel, allowing the crew to observe one of the largest whale species up close.
[PT] Algures entre Ponta Delgada e Lisboa, o cargueiro Monte da Guia teve um encontro emocionante com um dos gigantes do oceano: uma baleia-comum (Balaenoptera physalus) 🐋
A baleia veio à superfície junto ao navio, permitindo à tripulação observar de perto uma das maiores espécies de baleias.
📷: Flavia Scocca
22/09/2026
[EN] Sign up and come visit us this Friday!
We’ll be at the European Researchers’ Night in Porto, sharing the work of the Emphatic Project!
📍 Instituto de Investigação e Inovação em Saúde | 1st floor, Room E
🕕 18:00-23:00
Come say hi! 💙
[PT] Inscreve-te e vem visitar-nos esta sexta-feira! 🐬🔬
Vamos estar na Noite Europeia dos Investigadores, no Porto, a partilhar o trabalho do Emphatic Project!
📍 Instituto de Investigação e Inovação em Saúde | 1.º andar, Sala E
🕕 18:00-23:00
Vem dizer olá! 💙
20/09/2026
[EN] What a day at the Ciimar Open Day!
The CETUS team was there to share our work! 💙 Thank you so much to everyone who stopped by to meet us!
And we have some exciting news… After a pitch by our CETUS PI, Mafalda Correia, the harbour porpoise was selected as the CIIMAR mascot for next year’s Open Day, among some truly amazing candidates!
And as if the day couldn’t get any better… at the end of the day, a group of 10–15 bottlenose dolphins showed up inside the Port of Leixões to celebrate with us! 🐬
[PT] Que dia incrível no Dia Aberto do CIIMAR! 💙
A equipa CETUS esteve presente para partilhar o nosso trabalho! 💙 Muito obrigada a todos os que passaram por lá para nos conhecer!
E temos novidades incríveis… Depois de um pitch da nossa PI do CETUS, a Mafalda Correia, o boto foi escolhido como a mascote do CIIMAR para o Dia Aberto do próximo ano, entre candidatos verdadeiramente incríveis!
E, como se o dia não pudesse ficar ainda melhor… no final do dia, um grupo de 10–15 roazes apareceu dentro do Porto de Leixões para celebrar connosco! 🐬
18/09/2026
[EN] Today we had a different kind of CETUS team meeting!
Instead of meeting at our usual spot, we headed to CMIA Matosinhos to meet with the CMIA team. Our meeting was, as always, a chance to catch up on CETUS activities. But this time, we also had the opportunity to learn more about the work developed by CMIA, discover where our interests and expertise overlap, and talk about how we can support each other and work together in the future.
It was a great opportunity to bring two teams closer and think about new ways of contributing to the protection of the marine environment we all care about. 🌊🐋
Thank you to the CMIA team for welcoming us! 💙
[PT] Hoje tivemos uma reunião da equipa CETUS um pouco diferente!
Em vez de nos encontrarmos no nosso local habitual, fomos até ao CMIA Matosinhos para conhecer e reunir com a equipa do CMIA.
A reunião foi, como sempre, uma oportunidade para pôr a conversa em dia sobre as atividades do CETUS. Mas desta vez, tivemos também a oportunidade de conhecer melhor o trabalho desenvolvido pelo CMIA, perceber onde os nossos interesses e áreas de especialização se cruzam e conversar sobre como podemos apoiar-nos mutuamente e trabalhar em conjunto no futuro.
Foi uma ótima oportunidade para aproximar as duas equipas e pensar em novas formas de contribuir para a proteção do ambiente marinho que todos valorizamos. 🌊🐋
Obrigada à equipa do CMIA por nos receber! 💙
14/09/2026
Another collaborative effort involving the CETUS team, contributing to the development of more reliable and reproducible approaches for marine vertebrate eDNA metabarcoding. Congratulations to all the authors! 🌊
New paper from the EMPHATIC team!
How much can the way we process eDNA affect what we find?
In this study, we tested different DNA extraction methods and polymerases and developed MVeM, an open-source and reproducible bioinformatics pipeline for marine vertebrate eDNA metabarcoding.
Among the findings, we showed that different approaches can perform better depending on the group being studied, with important implications for monitoring both cetaceans and fish.
📖 Read the full open-access article to learn more!
https://doi.org/10.3897/mbmg.10.191426
11/08/2026
[EN] Over the past few weeks, our observers onboard the Monte Brasil cargo ship have been lucky enough to have close encounters with Gervais’ (Mesoplodon europaeus), Sowerby’s (Mesoplodon bidens) and Blainville’s (Mesoplodon densirostris) beaked whales along routes connecting mainland Portugal with the Azores and Madeira.
Beaked whales are among the least known mammals on the planet. They spend most of their lives underwater, diving to great depths to feed mainly on cephalopods, which makes them particularly difficult to study 🧐
[PT] Nas últimas semanas, os nossos observadores a bordo do cargueiro Monte Brasil tiveram a sorte de ver de perto baleias de bico de Gervais (Mesoplodon europaeus), de Sowerby (Mesoplodon bidens) e de Blainville (Mesoplodon densirostris), ao longo das rotas que ligam Portugal Continental aos Açores e à Madeira.
As baleias de bico estão entre os mamíferos menos conhecidos do planeta. Passam a maior parte das suas vidas debaixo de água, mergulhando a grandes profundidades para se alimentarem principalmente de cefalópodes, o que os torna particularmente difíceis de estudar 🧐
📷: Anxo Gende
22/07/2026
A great collaborative effort, with contributions from the CETUS team! Congratulations to all the authors on this publication! 🐬
Our latest paper is out!
Can a dolphin's breath tell us about its health? In our new study, we used exhaled breath condensate (EBC) to characterise the respiratory microbiome of free-ranging cetaceans using non-invasive methods. 🐬🧬
We identified distinct respiratory microbiomes in common dolphins (Delphinus delphis) and short-finned pilot whales (Globicephala macrorhynchus), clearly different from the surrounding seawater. We also provide the first characterisation of the respiratory microbiota of the common dolphin, establishing an important baseline for future health assessments and pathogen monitoring in wild cetaceans.
These findings highlight the potential of cetacean "blow" as a valuable tool for non-invasive health monitoring. 🐳
Read the full article through the link below 👇🏼
https://doi.org/10.1099/mgen.0.001773
15/07/2026
[EN] Fieldwork season is officially open 🚢🐳
Our first two observers, Iolanda Silva and Flavia Scocca, are kicking things off on board Monte da Guia, travelling between continental Portugal and Madeira aboard Grupo ETE-Transinsular cargo ships.
Here’s to a great season ahead! 🌊
[PT] A época de trabalho de campo está oficialmente aberta! 🚢🐳
As nossas duas primeiras observadoras, a Iolanda Silva e a Flavia Scocca, deram início à temporada a bordo do Monte da Guia, navegando entre Portugal continental e a Madeira nos cargueiros do Grupo ETE-Transinsular.
Que seja o início de uma excelente temporada! 🌊
14/07/2026
[EN] Rush hour at the Port of Leixões 🐬🚢
This morning, from the terrace of the Porto Cruise Terminal where the CETUS team is based, we spotted a group of 10-15 bottlenose dolphins (Tursiops truncatus) feeding inside the port. Surrounded by cargo ships, fishing vessels and sailboats, they seemed completely unbothered by the morning traffic!
[PT] Hora de ponta no Porto de Leixões 🐬🚢
Esta manhã, a partir do terraço do Terminal de Cruzeiros do Porto de Leixões, onde a equipa do CETUS está sediada, avistámos um grupo de 10-15 roazes (Tursiops truncatus) a alimentar-se no interior do porto. Rodeados por navios de carga, embarcações de pesca e veleiros, pareciam completamente indiferentes ao trânsito matinal!
📷: Cláudia Rodrigues
16/06/2026
[EN] 🌊📢 New Publication Alert!
As interest in deep-sea resource exploration grows, understanding its potential impacts on marine life is more important than ever.
In our latest publication, "Noise Risk Assessment for Deep-Sea Exploration", we investigate how underwater noise from seabed exploration activities may affect noise-sensitive cetaceans around the Tropic Seamount. By combining acoustic modelling, field data, and habitat suitability analyses, we developed a framework to support environmental monitoring and more informed decision-making in the deep sea.
🫱🏻🫲🏼 A collaborative effort led by LARSyS (Universidade do Algarve UAlg) in partnership with Ciimar, CEAU/Faculdade de Arquitectura da Universidade do Porto, and the Spatial Biology Lab (Universidade do Porto).
Check out the publication through the link below 👇🏼
https://doi.org/10.1007/978-3-031-94229-7_68-1
[PT] 🌊📢 Nova Publicação!
À medida que cresce o interesse pela exploração de recursos em águas profundas, torna-se cada vez mais importante compreender os seus potenciais impactos na vida marinha.
Na nossa mais recente publicação, "Noise Risk Assessment for Deep-Sea Exploration", investigamos de que forma o ruído subaquático gerado por atividades de exploração do fundo marinho pode afetar cetáceos sensíveis ao ruído na região do Monte Submarino Trópico. Combinando modelação acústica, dados recolhidos no campo e análises de adequabilidade de habitat, desenvolvemos uma abordagem que apoia a monitorização ambiental e uma tomada de decisão mais informada em ambientes de águas profundas.
🫱🏻🫲🏼 Um esforço colaborativo liderado pelo LARSyS (Universidade do Algarve UAlg), em parceria com o Ciimar, o CEAU/Faculdade de Arquitectura da Universidade do Porto e o Spatial Biology Lab (Universidade do Porto).
Consultem a publicação através do link abaixo 👇🏼
https://doi.org/10.1007/978-3-031-94229-7_68-1
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Endereço
CIIMAR, Terminal De Cruzeiros Do Porto De Leixões, Avenida General Norton De Matos, S/n
Matosinhos
4450-208
Horário de Funcionamento
| Segunda-feira | 10:00 - 17:00 |
| Terça-feira | 10:00 - 17:00 |
| Quarta-feira | 10:00 - 17:00 |
| Quinta-feira | 10:00 - 17:00 |
| Sexta-feira | 10:00 - 17:00 |
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