Both theoretical and experimental studies have shown that fishing mortality can induce adaptive responses in body growth rates of fishes in the opposite direction of natural selection. We compared body growth rates in European eel (Anguilla anguilla) from three Mediterranean stocks subject to different fishing pressure. Results are consistent with the hypotheses that i) fast-growing individuals are more likely to survive until sexual maturity than slow-growing ones under natural conditions (no fishing) and ii) fishing can select for slow-growing individuals by removing fast-growing ones. Although the possibility of human-induced evolution seems remote for a panmictic species like such as the European eel, further research is desirable to assess the implications of the intensive exploitation on this critically endangered fish.

Fishery-induced selection for slow somatic growth in European eel / Bevacqua, Daniele; Capoccioni, Fabrizio; Melià, Paco; Vincenzi, Simone; Pujolar, José M; De Leo, Giulio; Ciccotti, Eleonora. - In: PLOS ONE. - ISSN 1932-6203. - 7:5(2012), p. e37622. [10.1371/journal.pone.0037622]

Fishery-induced selection for slow somatic growth in European eel

BEVACQUA, Daniele;VINCENZI, Simone;DE LEO, Giulio;
2012

Abstract

Both theoretical and experimental studies have shown that fishing mortality can induce adaptive responses in body growth rates of fishes in the opposite direction of natural selection. We compared body growth rates in European eel (Anguilla anguilla) from three Mediterranean stocks subject to different fishing pressure. Results are consistent with the hypotheses that i) fast-growing individuals are more likely to survive until sexual maturity than slow-growing ones under natural conditions (no fishing) and ii) fishing can select for slow-growing individuals by removing fast-growing ones. Although the possibility of human-induced evolution seems remote for a panmictic species like such as the European eel, further research is desirable to assess the implications of the intensive exploitation on this critically endangered fish.
Fishery-induced selection for slow somatic growth in European eel / Bevacqua, Daniele; Capoccioni, Fabrizio; Melià, Paco; Vincenzi, Simone; Pujolar, José M; De Leo, Giulio; Ciccotti, Eleonora. - In: PLOS ONE. - ISSN 1932-6203. - 7:5(2012), p. e37622. [10.1371/journal.pone.0037622]
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11381/2786512
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 14
  • ???jsp.display-item.citation.isi??? ND
social impact