Joana
Vasconcelos

Marine Ecologist · Fisheries Scientist
Biodiversity & Global Change Researcher

University of Las Palmas de Gran Canaria (ULPGC)
Viera y Clavijo Postdoctoral Researcher · IU-ECOAQUA


01 · DOCTORAL

Ph.D. Theses

Ph.D. · Ongoing

Alberto Rodríguez Díaz

Unlocking the Secrets of Population Structure in Overexploited Fish Stocks

Programme Oceanography and Global Change

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Academic year 2024–2025

Duration 5 years

Javier Martínez Pérez
Ph.D. · Ongoing

Javier Martínez Pérez

Unraveling Individual Variability in Body and Otolith Shapes among Commercially Fish Species

Programme Oceanography and Global Change

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Academic year 2023–2024

Duration 5 years

Publications & conference outputs

Martinez-Pérez, J., Fueyo Rodríguez, A., Sánchez Fernández, O., Vasconcelos, J. 2026. Untangling the Aphanopus Species Complex: Implications for Fisheries Management. The 19th International Symposium on Oceanography of the Bay of Biscay (ISOBAY19).

Vasconcelos, J., Martínez-Pérez, J., Guerra-Marrero, A., Otero-Ferrer, J., Jurado-Ruzafa, A., Sousa, R., Hernández-González, C., Freitas, M., Tuset, V.M. 2025. Clarifying Species Identity in Aphanopus Using Wavelet-Based Otolith Shape Analysis. PLOS ONE 20(6): e0326199. DOI

02 · MASTER'S

Master's Theses

Esther Olufade
Master's Erasmus+

Esther Olufade

Tracing population structure in Dentex macrophthalmus through otolith shape across Atlantic and Mediterranean regions

Master's Programme Master of Agricultural Technology in Fisheries Management

Institution University of Las Palmas de Gran Canaria, Spain

Supervisor Toyosi Igejongbo

Co-Supervisor Joana Vasconcelos

Academic Year 2025–2026

Mobility Programme Erasmus+

Starting Date November 2, 2025

Duration 5 months

Mobility Institutions University of Las Palmas de Gran Canaria, Spain / University of Technology Akure, Nigeria

Defence Date Ongoing

Publications & scientific outputs

Vasconcelos, J., Olufade, E.O., Rodríguez Díaz, A., Jurado-Ruzafa, A., Hernández-González, C., Klaoudatos, D., Pajuelo, J.G. 2026. Otolith shape reveals regional phenotypic differentiation in Dentex macrophthalmus across the Atlantic and Mediterranean. Estuarine, Coastal and Shelf Science, 110187. DOI: 10.1016/j.ecss.2026.110187 ↗

Juan Carlos de la Rosa Valdivia
Master's

Juan Carlos de la Rosa Valdivia

Deciphering Mollusk Body Shape Adaptations to Varying Hydrodynamic Conditions and Substrate Types

Master's Programme Master's Degree in Sustainable Resource Management

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Academic Year 2024–2025

Grade With distinction (Sobresaliente)

Defence Date January 21, 2026

Publications & scientific outputs

Rosa-Valdivia, J.C., Riera, R., Martínez Ruiz, O., Vasconcelos, J. 2026. Deciphering Mollusc Body Shape Adaptations to Varying Hydrodynamic Conditions and Substrate Types. Hydrobiologia. DOI: 10.1007/s10750-026-06354-1.

Olivia Martínez Ruiz
Master's

Olivia Martínez Ruiz

Unravelling the Key Environmental Drivers in the Limpets of a Highly Anthropogenised Region

Master's Programme Marine Biology

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Rodrigo Riera

Co-Supervisor Joana Vasconcelos

Academic Year 2023–2024

Grade 9.8/10 (with honors)

Defence Date June 28, 2024

Publications & scientific outputs

Martínez Ruiz, O., Riera, R., Tuset, V.M., Vasconcelos, J. 2025. Coastal Exposure and Artificialization: Drivers of Shell Shape Variation in Intertidal Limpets. Estuarine, Coastal and Shelf Science. DOI: 10.1016/j.ecss.2025.109344

03 · UNDERGRADUATE

Final Degree Projects

Undergraduate

Marina Shui Fernández Alba

Linking Thermal-Anomaly Variability and Phenotypic Structure in Trachurus trachurus: Insights from Otolith Contour Variability

Degree Marine Sciences

Institution University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Co-Supervisor José Sanabria Fernández

Grade 9.34/10

Defence Date July 22, 2026

Publications & scientific outputs

Martínez, J., Shui-Fernández, M., Rodríguez-Díaz, A., Rosano, F., Jurado-Ruzafa, A., Capillo, G., Vasconcelos, J. 2026. From juveniles to adults: wavelet analysis reveals regional otolith contour patterns in Trachurus trachurus. The 19th International Symposium on Oceanography of the Bay of Biscay (ISOBAY19). 16–18 June 2026, Donostia-San Sebastián (Gipuzkoa), Spain.

Rita Delia Santana Benítez
Undergraduate

Rita Delia Santana Benítez

Intraspecific variability in otoliths of Helicolenus dactilopterus from the NE Atlantic and Mediterranean Sea

Degree Marine Sciences

Institution University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Academic Year 2024–2025

Grade With distinction (Sobresaliente)

Defence Date December 18, 2024

Publications & scientific outputs

Vasconcelos, J., Jurado-Ruzafa, A., Neves, A., Santana, R., Otero-Ferrer, J.L., Antoni Lombarte, Carlos Hernández-Rodríguez, Pablo Martín-Sosa, Ivan Ruiz-Pérez and V.M. Tuset. 2024. Phenotypic plasticity in the otolith contour of blackbelly rosefish (Helicolenus dactylopterus) in response to environmental factors. IX International Symposium on Marine Sciences. July 10–12, 2024, Valencia, Spain.

Vasconcelos, J., Jurado-Ruzafa, A., Neves, A., Santana-Benítez, R.D., et al. 2026. Unveiling regional population structure in blackbelly rosefish Helicolenus dactylopterus through otolith shape analysis. Marine Ecology Progress Series 777: meps15035. DOI: 10.3354/meps15035

María Cirera Díaz
Undergraduate

María Cirera Díaz

Application of morphometry and shape analysis in the identification of coastal stocks

Degree Marine Sciences

Institution University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Academic Year 2023–2024

Grade With distinction (Sobresaliente)

Defence Date September 4, 2024

Publications & scientific outputs

Vasconcelos, J., Cirera, M., Vieira, A.R., Otero-Ferrer, J.L., Tuset, V.M. 2025. Application of shape analysis for the identification of pelagic fish stocks. Hydrobiologia 852, 2847–2869. DOI: 10.1007/s10750-025-05798-1

Pablo Jesús Angulo Falcón
Undergraduate

Pablo Jesús Angulo Falcón

Fecundity strategy in Patella aspera and Patella crenata from the Canary Islands (NE Atlantic)

Degree Marine Sciences

Institution University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Academic Year 2023–2024

Grade With distinction (Sobresaliente)

Defence Date September 4, 2024

Publications & scientific outputs

Vasconcelos, J., Angulo, P., Martínez-Ruiz, O., Díaz, A.R., Tuset, V.M., Riera, R. 2025. Adaptive Reproductive Strategies of Limpets in a Harvest-Influenced Environment. Fisheries Oceanography, e12745. DOI: 10.1111/fog.12745

Undergraduate

João Paulo Silva Ferro

Fecundity Regulation Strategy of the Limpet, Patella ordinaria, of Madeira Island (NE Atlantic)

Institution University of Madeira

Location Funchal, Região Autónoma da Madeira, Portugal

Supervisor Joana Vasconcelos

Co-Supervisor Rodrigo Riera

Academic Year 2021–2022

Grade 18/20

Defence Date May 25, 2022

Publications & scientific outputs

Vasconcelos, J., Sousa, R., Ferro, João, Pinto, A.R., Freitas, M., Riera, R. 2023. Fecundity, an overlooked life-history trait for coastal management of commercial molluscs? Frontiers in Marine Science 10, 1173629. DOI: 10.3389/fmars.2023.1173629

Vasconcelos, J., Ferro, João, Sousa, R., Pinto, A.R., Riera, R. 2023. Fecundity strategy of the highly exploited limpet Patella ordinaria from an oceanic archipelago. Regional Studies in Marine Science 60, 102849. DOI: 10.1016/j.rsma.2023.102849

Ferro, João, Sousa, R., Riera, R., Freitas, M., Vasconcelos, J. 2022. Fecundity strategy of the highly exploited limpet Patella ordinaria from an oceanic archipelago. International Symposium on Artisanal and Recreational Fishing in Islands Systems: Assessment, Vulnerabilities and Management (IS-AR-FIS), Las Palmas de Gran Canaria, 6–8 July 2022.

04 · MOBILITY

Erasmus & Research Grants

Erasmus Students

Esther Olufade
Erasmus+

Esther Olufade

Tracing population structure in Dentex macrophthalmus through otolith shape across Atlantic and Mediterranean regions

Grant Type Erasmus+

Institution University of Las Palmas de Gran Canaria, Spain

Supervisor Joana Vasconcelos

Starting Date November 2, 2025

Duration 5 months

Funding / Mobility Institutions University of Las Palmas de Gran Canaria, Spain / University of Technology Akure, Nigeria

Publications & scientific outputs

Vasconcelos, J., Olufade, E.O., Rodríguez Díaz, A., Jurado-Ruzafa, A., Hernández-González, C., Klaoudatos, D., Pajuelo, J.G. 2026. Otolith shape reveals regional phenotypic differentiation in Dentex macrophthalmus across the Atlantic and Mediterranean. Estuarine, Coastal and Shelf Science, 110187.. DOI: 10.1016/j.ecss.2026.110187 ↗

Fabiana Rosano
Erasmus+

Fabiana Rosano

Exploring the eco-morphology of Trachurus sp. otoliths

Grant Type Erasmus+

Institution University of Las Palmas de Gran Canaria, Spain

Supervisor Joana Vasconcelos

Co-Supervisor Víctor M. Tuset

Starting Date February 1, 2024

Duration 4 months

Funding Institution University of Messina, Messina, Italy

Publications & scientific outputs

Martínez, J., Shui-Fernández, M., Rodríguez-Díaz, A., Rosano, F., Jurado-Ruzafa, A., Capillo, G., Vasconcelos, J. 2026. From juveniles to adults: wavelet analysis reveals regional otolith contour patterns in Trachurus trachurus. The 19th International Symposium on Oceanography of the Bay of Biscay (ISOBAY19). 16–18 June 2026, Donostia-San Sebastián (Gipuzkoa), Spain.

Rosano, F., Albano, M., Capillo, G., D’Iglio, C., Famulari, S., Savoca, S., Spanò, N., Tuset, V.M., Vasconcelos, J. 2025. Otolith variability, age composition, and ontogenetic diet shift in Trachurus trachurus, Linnaeus, 1758, from the Southern Tyrrhenian Sea. Congresso AAI/UZI 2025. 16–19 September 2025, Cagliari, Sardinia, Italy.

Research Project Grants

Eros Fernando Geppi
Research Grant

Eros Fernando Geppi

Metacommunity dynamics of complex life cycle species in exploited ecosystems (EXPL/MAT-APL/0262/2021, LAPACOM)

Grant Type Research Grant

Institution University of Madeira, Funchal, Madeira, Portugal

Supervisor Joana Vasconcelos (Project PI)

Co-Supervisor Rodrigo Riera (Project Co-PI)

Starting Date November 7, 2022

Duration 5 months

Funding Institution Fundação para a Ciência e a Tecnologia

Scientific Initiation Grant

João Paulo Silva Ferro

Metacommunity dynamics of complex life cycle species in exploited ecosystems (EXPL/MAT-APL/0262/2021, LAPACOM)

Grant Type Scientific Initiation Grant

Institution University of Madeira, Funchal, Madeira, Portugal

Supervisor Joana Vasconcelos (Project PI)

Co-Supervisor Rodrigo Riera (Project Co-PI)

Starting Date May 1, 2022

Duration 3 months

Funding Institution Fundação para a Ciência e a Tecnologia

05 · TRAINING

Research Training

Research Training

Virginia Parisi

Assessing Morphological Responses to Environmental Change in Reef Fishes Using Geometric Morphometric Approaches

Academic Year 2025–2026

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Research Training 100 hours

ECTS Credits 10 ECTS

Grade 9.0/10

Lyanne Pierina Ampuero Merino
Research Training

Lyanne Pierina Ampuero Merino

Morphotype Diversity in a Small Pelagic Fish Species Across a Temporal Dataset of 30 Years

Academic Year 2024–2025

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Research Training 100 hours

ECTS Credits 10 ECTS

Grade 9.1/10

06 · INTERNSHIPS

Practices & Internships

External Practices

External Practice

Marina Shui Fernández Alba

Academic Year 2025–2026

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Duration 120 hours

ECTS Credits 12 ECTS

Grade 10/10

Juan Carlos de la Rosa Valdivia
External Practice

Juan Carlos de la Rosa Valdivia

Academic Year 2024–2025

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Duration 120 hours

ECTS Credits 12 ECTS

Grade 10/10

Olivia Martínez Ruiz
External Practice

Olivia Martínez Ruiz

Academic Year 2023–2024

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Co-Supervisor Rodrigo Riera

Duration 450 hours

ECTS Credits 18 ECTS

Grade 10/10

External Practice

María Cirera Díaz

Academic Year 2023–2024

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Duration 300 hours

ECTS Credits 12 ECTS

Grade 9.98/10

External Practice

Pablo Jesús Angulo Falcón

Academic Year 2023–2024

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Duration 300 hours

ECTS Credits 12 ECTS

Grade 9.98/10

External Practice

Lia Gran Lajas

Academic Year 2023–2024

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Duration 300 hours

ECTS Credits 12 ECTS

Grade 9.42/10

External Practice

Rita Delia Santana Benítez

Academic Year 2023–2024

Institution BIOCON, IU-ECOAQUA, University of Las Palmas de Gran Canaria

Supervisor Joana Vasconcelos

Duration 300 hours

ECTS Credits 12 ECTS

Grade 8.71/10

Summer Internships

Summer Internship

José Mateus Sousa Bento

Quantification of phenotypic variability in the otolith contour of mackerel, Scomber colias, in Madeira Island (NE Atlantic)

Institution University of Madeira / Regional Directorate of the Sea

Location Funchal, Região Autónoma da Madeira, Portugal

Supervisor Joana Vasconcelos

Starting Date July 1, 2022

Duration 1 month

Funding Institution Regional Youth Directorate of the Government of Madeira

Summer Internship

Ricardo Rúben de Araújo Mota

Fecundity regulation strategy in limpets of the species Patella aspera from Madeira Island (NE Atlantic)

Institution University of Madeira / Regional Directorate of the Sea

Location Funchal, Região Autónoma da Madeira, Portugal

Supervisor Joana Vasconcelos

Starting Date July 1, 2022

Duration 1 month

Funding Institution Regional Youth Directorate of the Government of Madeira