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RESEARCH PRODUCT
Fishery-induced selection for slow somatic growth in European eel
J. M. PujolarGiulio A. De LeoGiulio A. De LeoFabrizio CapoccioniSimone VincenziPaco MeliàEleonora CiccottiDaniele BevacquaDaniele Bevacquasubject
0106 biological sciencesMale[SDV]Life Sciences [q-bio]lcsh:MedicineMarine and Aquatic Sciences01 natural sciencesKeyWords Plus:FRESH-WATER ENVIRONMENTS; ANGUILLA-ANGUILLA L; SEX-DIFFERENTIATION; MORTALITY; LAGOONS; POPULATION; MATURATION; JUVENILE; BRACKISH; TRAITSCritically endangeredAUTMorphogenesisNatural SelectionSexual maturityBody SizeScopus Indexed keywords EMTREE medical terms: Anguilla (fish)article body growth controlled study eel endangered species experimental study fishery fishing growth rate mortality natural selection nonhuman theoretical study Anguilla (fish)animal body size female food industry growth development and aging male physiology reproduction Species Index: Anguilla anguilla Pisces MeSH: Anguilla Animals Body Size Female Fisheries Male Reproductionlcsh:ScienceJUVENILEPOPULATIONmedia_commonFreshwater EcologyPanmixiaMultidisciplinaryNatural selectionEcologyEcologyReproduction[SDE]Environmental SciencesFish <Actinopterygii>FemaleReproductionCoastal EcologyTRAITSResearch ArticleKeyWords Plus:FRESH-WATER ENVIRONMENTSEvolutionary ProcessesFRESH-WATER ENVIRONMENTSSettore BIO/07media_common.quotation_subjectFishingFisheriesMarine BiologyLAGOONSBiology010603 evolutionary biologyMATURATIONBRACKISHANGUILLA-ANGUILLA LAnimals14. Life underwaterBiologySelection (genetic algorithm)Growth ControlEvolutionary BiologySEX-DIFFERENTIATION010604 marine biology & hydrobiologyMORTALITYlcsh:RFisheries ScienceAnguillaFisheryEvolutionary EcologyEarth SciencesFRESH-WATER ENVIRONMENTS;ANGUILLA-ANGUILLA L;SEX-DIFFERENTIATION;MORTALITY;LAGOONS;POPULATION;MATURATION;JUVENILE;BRACKISH;TRAITSlcsh:QZoologyDevelopmental Biologydescription
International audience; 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.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2012-05-01 |