Alexandre Alonso Fernández


Contact Information

Institute of Marine Research (CSIC)

Eduardo Cabello, 6. Vigo. Pontevedra. 36208 (Spain)

(+34) 986231930 ext. 241




Research interest

Ph.D. in Marine Sciences from the University of Vigo. My predoctoral research was conducted on the study on fish reproductive dynamics and its relationship with bionergetics status See my Download my PhD Thesis here: Bioenergetics approach to fish reproductive potential: case of Trisopterus luscus (Teleostei) on the Galician Shelf (NW Iberian Peninsula)PhD thesis dissertationI was also engaged in research projects with groups of Mediterranean fisheries ecology (IMEDEA-CSIC) and have done some collaborations with international groups (Canada,DFO) in the study of the great North Atlantic Fisheries (NAFO area).

Currently my work focuses on the study of catch rate time series from the coastal small-scale fisheries in Galician waters (NW Spain). My main interest is focused on the study of the artisanal fishery and its integrated management.


Current projects




      1. Alonso-Fernández A., Otero J., Bañón R., Campelos J.M., Quintero F., Ribó J., Filgueira F., Juncal L., Lamas F., Gancedo A., Molares J. (2019) Inferring abundance trends of key species from a highly developed small-scale fishery off NE Atlantic Fisheries Research, 209: 101-116


      1. Bañón R., Otero J., Campelos-Álvarez J.M., Garazo A., Alonso-Fernández A. (2018) The traditional small-scale octopus trap fishery off the Galician coast (Northeastern Atlantic): Historical notes and current fishery dynamics Fisheries Research, 206: 115-128
      2. Padín X.A., Alonso-Fernández A., Lijó A., Otero V., Otero J. (2018) Environmental drivers of lesser weever stings on the northeast Atlantic coast (A Lanzada beach, Spain) Ecological Indicators, 95: 242-249
      3. Bañón R., Alonso‐Fernández A., Barros‐García D., Rios M. B., de Carlos A. (2018) Geographic range expansion of Ephippion guttifer (Tetraodontidae) in the north‐eastern Atlantic Journal of Fish Biology, 93: 733-737
      4. Bañón R., Morales X., Alonso-Fernández A., BarrosGarcía D., De Carlos A. (2018) Northernmost record and new biological data of the Phaeton dragonet Synchiropus phaeton (Callionymiformes: Callionymidae) in the eastern Atlantic Cybium, 42 (3): 289-292


      1. Rafael Bañón, Alexandre Alonso-Fernández, Juan Carlos Arronte, David Barros-García, Alejandro De Carlos (2017) New records of two southern fishes found in northern waters of the Iberian Peninsula Acta Ichthyologica et Piscatoria 47 (4): 401-405
      2. Alexandre Alonso-Fernández; Jaime Otero; Rafael Bañón; Jose Manuel Campelos; Juan Santos and Gonzalo Mucientes. (2017) Sex ratio variation in an exploited population of common octopus: ontogenic shifts and spatio-temporal dynamics Hydrobiologia, 794(1): 1-16


      1. McBride, R. S., Somarakis, S., Fitzhugh, G. R., Albert, A., Yaragina, N. A., Wuenschel, M. J., Alonso-Fernández, A. and Basilone, G. (2015) Energy acquisition and allocation to egg production in relation to fish reproductive strategies Fish and Fisheries, 16: 23-57


      1. David Villegas-Ríos, Josep Alós, Miquel Palmer, Susan K. Lowerre-Barbieri, Rafael Bañón, Alexandre Alonso-Fernández and Fran Saborido Rey (2014) Life-history and activity shape catchability in a sedentary fish Marine Ecology Progress Series, 515: 239-250
      2. Alonso-Fernández A., Otero J., Villegas-Ríos D. and Bañón R. (2014) Drivers of body size changes in a Pollachius pollachius stock in NE Atlantic coastal waters Marine Ecology Progress Series, 511: 223-235
      3. Josep Alós, Miquel Palmer, Ignacio A. Catalan, Alexandre Alonso-Fernández, Gotzon Basterretxea, Antoni Jordi, Lucie Buttay, Beatriz Morales-Nin, Robert Arlinghaus (2014) Selective exploitation of spatially structured coastal fish populations by recreational anglers may lead to evolutionary downsizing of adults Marine Ecology Progress Series, 503: 219-233
      4. Villegas-Ríos D., Alonso-Fernández A., Domínguez-Petit R., Saborido-Rey F. (2014) Energy allocation and reproductive investment in a temperate protogynous hermaphrodite, the ballan wrasse Labrus bergylta Journal of Sea Research, 86: 76-85
      5. Alonso-Fernández A., Alos J. Palmer M. (2014) Variability in reproductive traits in the sex-changing fish, Coris julis, in the Mediterranean Mediterranean Marine Science, 15 (1): 106-114


      1. Villegas-Ríos D., Alonso-Fernández A., Domínguez-Petit R., Saborido-Rey F. (2013) Intraspecific variability in reproductive patterns in the temperate hermaphrodite fish, Labrus bergylta Marine and Freshwater Research,  64(12) 1156-1168
      2. Villegas-Ríos D., Alonso-Fernández A. ,Fabeiro M., Bañón R., Saborido-Rey F. (2013) Demographic Variation between Colour Patterns in a Temperate Protogynous Hermaphrodite, the Ballan Wrasse Labrus bergylta PLOS one, 8 (8): e71591
      3. Alós, J., Alonso-Fernández, A., Catalán, I.A., Palmer, M., Lowerre-Barbieri, S. (2013) Reproductive output traits of the simultaneous hermaphrodite Serranus scriba in the western Mediterranean Scientia Marina, 77 (2): 331-340
      4. Alonso-Fernández A., Villegas-Ríos D., Valdés-López M., Olveira-Domíngueza B., Saborido-Rey F. (2013) Reproductive biology of pollack (Pollachius pollachius) from the Galician shelf (north-west Spain) Journal of the Marine Biological Association of the United Kingdom, 93 (7): 1951-196


      1. Alonso-Fernández A., Saborido-Rey F. (2012) Relationship between energy allocation and reproductive strategy in Trisopterus luscus Journal of Experimental Marine Biology and Ecology, 416-417: 8-16
      2. Bañón R., Alonso-Fernández A., Quigley D.T.G., Miranda A., Arronte J.C. (2012) Unusual shallow inshore records of Cornish blackfish Schedophilus medusophagus (Stromateoidei: Centrolophidae) from Galician waters (NW Spain) Cahiers de Biologie Marine, 53 (2): 271-27


      1. Alonso-Fernández A., Vergara A.R., Saborido-Rey F. (2011) Embryonic development and spawning pattern of Trisopterus luscus (Teleostei: Gadidae) under controlled conditions Journal of the Marine Biological Association of the United Kingdom, 91 (6): 1281–1287
      2. Domínguez-Petit R., Alonso-Fernández A., Saborido-Rey F. (2011) Incidence and significance of cystic structures in the ovaries of gadoid fish Scientia Marina, 75 (2): 359-368
      3. Alonso-Fernández A., Alós J., Grau A.,Domínguez-Petit R., Saborido-Rey F. (2011) The use of histological techniques to study the reproductive biology of the hermaphroditic mediterranean fishes Coris julisSerranus scriba, and Diplodus annularis Marine and Coastal Fisheries, 3 (1): 145-159
      4. Alonso-Fernández A., Saborido-Rey, F. (2011) Maternal influence on the variation of the reproductive cycle of Trisopterus luscus (Gadidae) Ciencias Marinas, 37 (4B): 513-68


      1. Alós J., Palmer M., Alonso-Fernández A., Morales-Nin B. (2010) Individual variability and sex-related differences in the growth of Diplodus annularis (Linnaeus, 1758) Fisheries Research, 101 (1-2): 60-69
      2. Purchase C.F., Butts I.A.E., Alonso-Fernández A., Trippel E.A. (2010) Thermal reaction norms in sperm performance of Atlantic cod (Gadus morhuaCanadian Journal of Fisheries and Aquatic Sciences 67 (3): 498–510


      1. Alonso-Fernández A., Vallejo A.C., Saborido-Rey F. Murua H., Trippel E. (2009) Fecundity Estimation of Atlantic Cod (Gadus morhua) and Haddock (Melanogrammus aeglefinus) of Georges Bank: Application of the Autodiametric Method Fisheries Research, 99 (1): 47-54


      1. Alonso-Fernández A., Domínguez-Petit R., Bao M., Rivas C., Saborido-Rey F. (2008) Spawning pattern and reproductive strategy of female pouting Trisopterus luscus (Gadidae), on the Galician shelf of north-western Spain Aquatic Living Resources, 21 (4): 383-393


      1. Saborido-Rey F., Domínguez-Petit R., Tomás J., Morales-Nin B., Alonso A. (2007) Growth of juvenile turbot in response to food pellets contaminated by fuel oil from the tanker ‘Prestige’ Marine Ecology Progress Series, 345: 271–279


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