Evaluation of three capture techniques for invasive <i>Micropterus salmoides</i>
 (Lacépède, 1802) in a Neotropical reservoir: implications for population control and management

Ribeiro, Vanessa Maria; Braga, Raul Rennó; Abilhôa, Vinícius; Vitule, Jean R. S.

doi:10.1111/jai.12904

Cited by 10 publications

(8 citation statements)

References 9 publications

(9 reference statements)

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“…The invasion of M. salmoides is responsible for several disturbs in places where it was introduced, although the impacts related to its parasite community in Brazil were not known until the present study (Ribeiro et al, 2015;Costa et al, 2018). The native helminth fauna of the fish M. salmoides is well studied, with more than 50 species of parasites recorded in its native region (Hoffman, 1999;Costa et al, 2018).…”

Section: Resultsmentioning

confidence: 80%

“…So, once M. salmoides are constantly introduced in reservoir by multiple fonts (mostly fishermen) of several distinguish life stage and local fonts, the richness and prevalence of nonnative parasite may increase with time, as its chances to establish in a nonnative environment (e.g. Vitule et al, 2009;Ribeiro et al, 2015).…”

Section: Resultsmentioning

confidence: 99%

“…The impacts caused by M. salmoides have led its inclusion in the list of the 100 worst invasive species in the world, which makes its management and control a priority (Lowe et al, 2000). In Brazil, it was introduced in the 1920's and was originally established in the southern region (Schulz & Leal, 2005;Ribeiro et al, 2015;Frehse et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Helmintos Parásitos De Micropterus Salmoides (Lacepéde, 1802) Una Especie Invasora en Brasil: Un Caso De Co-Introducción Y Spillback

Costa¹,

Takemoto²,

Vitule³

2020

Neotrop Helminthol

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La perca americana, Micropterus salmoides (Lacepéde, 1802), es un pez centrarchido de América del Norte que ahora tiene una distribución global debido a introducciones extendidas por pesca deportiva. Su introducción en Brasil data de 1920, principalmente en las regiones del sur. Sabemos que M. salmoides ha generado una serie de impactos en los ecosistemas en que se ha establecido. Sin embargo, sus parásitos en Brasil son desconocidos. Esto genera la posibilidad de nuevas interacciones y potenciales impactos. Por tanto, el objetivo de este estudio fue analizar los parásitos de M. salmoides en cuatro reservorios de agua en el sur de Brasil, midiendo la prevalencia y la abundancia media en cada reservorio. Analizamos un total de 59 individuos de M. salmoides, 15 en cada reserva, con excepción de la reserva Capivari-Cachoeira, con 14 individuos. De los peces analizados, 91,5% estaban parasitados por 1567 parásitos pertenecientes a cuatro especies, tres nemátodos: Contracaecum sp. (86,4%) en larvas, Procamallanus (Procamallanus) peraccuratus Pinto, Fábio, Noronha y Rolas 1976 (6,7%) y Hysterothylacium brachyurum Ward & Magath 1917 (6,7%), y una especie de monogenoideo Onchocleidus principalis (Mizelle, 1936) (57,6 %). De estos resultados podemos concluir que el proceso de co-introducción y “spillback” aún está en etapas tempranas, en la mayoría de las veces por la baja diversidad de parásitos. Sin embargo, el monitoreo y las acciones de control son altamente recomendadas para controlar los impactos de infecciones por parásitos y promover actividades de mitigación y campañas de prevención.

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Section: Resultsmentioning

confidence: 80%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Helmintos Parásitos De Micropterus Salmoides (Lacepéde, 1802) Una Especie Invasora en Brasil: Un Caso De Co-Introducción Y Spillback

Costa¹,

Takemoto²,

Vitule³

2020

Neotrop Helminthol

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“…Electrofishing was conducted by two people, operated in rocks and submerged vegetation. Gill nets were composed of simple and trammel nets with mesh sizes ranging from 15 to 150mm knot-to-knot, 5-40 meters long; these nets remained deployed for 24 h. Experienced sport fishermen conducted the angling monthly along the sampling period (Ribeiro et al, 2015).…”

Section: Methodsmentioning

confidence: 99%

Reproduction of the invasive largemouth bass Micropterus salmoides (Lacepède, 1802) in a Neotropical reservoir with suggestions to management and control

Pomazanova¹,

Ribeiro

Abilhôa

et al. 2023

Acta Limnol. Bras.

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Aim The largemouth bass Micropterus salmoides was introduced in more than 50 countries for the purpose of sport fishing. In Brazil, records date from 1922, and nowadays many populations are known to occur in the southern region. Here we investigated the reproductive biology of this species in a small reservoir in southern Brazil, to understand the role of the reproductive strategy in the invasion process and assist in its management. We conclude with suggestions for the management in local scale, as this species can bring relevant problems to the public supply through trophic cascade and other negative effects. Methods Samples were performed with different methods, between May 2011 and April 2012. All fishes were measured, and the reproductive season was determined through the relative frequency of reproductive stages and the gonadosomatic index. Sex ratio was calculated monthly and for each total length (TL) class and compared with the estimates presented in the literature. Total length at maturity (L50, length at which 50% of the individuals were mature) was estimated for females, males and the entire study population. Results A total of 565 individuals of M. salmoides were analyzed. Overall sex-ratio did not differ significantly. The monthly distribution of the gonadosomatic index for females and males showed higher values between August (late winter) and November 2011 (austral spring). ��-Binomial modelling of sex-ratio data of native (n=1) and introduced populations (n=7) showed a lower proportion of females in its native range. All individuals > 21.5 cm TL were mature (L95), and L50 was calculated at 18.7 cm TL. After the reproductive period, an increase in the abundance of young individuals (≤ 7.0 cm TL) was registered, corresponding to 50% of all individuals collected. The relative frequency of mature individuals and the variation in the gonadosomatic index indicate a prolonged spawning period during the austral spring, coinciding with the increase in temperature. Conclusions Results suggested that some changes in life history traits, such as the early sexual maturation and the long reproductive period, coupled with a remarkable adaptability, may have facilitated the establishment of M. salmoides populations in this reservoir. The illegal and intentional stocking by anglers plays a central role in the introduction and dispersal of M. salmoides in Brazil. We encourage studies on the sanitary quality of this fish for human consumption, so that massive campaigns of education the population to encourage capture and consumption are implemented by the competent authorities as a control measure in local scale, combined with targeted samplings with artificial baits during the reproductive period, identification, and removal of nests and fingerlings using electric fishing or trap nets during the recruitment period.

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“…Ultimately, through cascading effects, introduced M. salmoides may change the water quality (Estes et al 2011) and so indirectly affect amphibian populations (Gilliland 2010). In spite of all of the ecological risks related to M. salmoides and in spite of the fact that it has been introduced into Brazil for over 90 years, there are few studies that really measure its negative impact on Brazilian native communities and allow us to direct efforts at controlling its populations (Ribeiro 2013, Ribeiro et al 2015.…”

mentioning

confidence: 99%

Predation on Native Anurans by Invasive Vertebrates in the Atlantic Rain Forest, Brazil

Oliveira

Ribeiro²,

Pereira

et al. 2016

Oecol. Aust.

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Evaluation of three capture techniques for invasive Micropterus salmoides (Lacépède, 1802) in a Neotropical reservoir: implications for population control and management

Cited by 10 publications

References 9 publications

Helmintos Parásitos De Micropterus Salmoides (Lacepéde, 1802) Una Especie Invasora en Brasil: Un Caso De Co-Introducción Y Spillback

Helmintos Parásitos De Micropterus Salmoides (Lacepéde, 1802) Una Especie Invasora en Brasil: Un Caso De Co-Introducción Y Spillback

Reproduction of the invasive largemouth bass Micropterus salmoides (Lacepède, 1802) in a Neotropical reservoir with suggestions to management and control

Predation on Native Anurans by Invasive Vertebrates in the Atlantic Rain Forest, Brazil

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