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Article ; Online: The dynamism fish‐plant association: Ontogenetic variations in assemblage attributes in neotropical floodplain lakes

Iquematsu, Marcia Sayuri / Cunha, Eduardo Ribeiro / Bialetzki, Andréa

Ecology of Freshwater Fish. 2023 Jan., v. 32, no. 1 p.120-132

2023

Abstract: Structural habitat complexity provided by macrophytes is expected to increase richness and abundance of fish species. However, this topic is rarely investigated simultaneously at different periods of fish development. We sampled fish within macrophyte ... ...

Abstract	Structural habitat complexity provided by macrophytes is expected to increase richness and abundance of fish species. However, this topic is rarely investigated simultaneously at different periods of fish development. We sampled fish within macrophyte stands and in non‐vegetated areas at floodplain lakes and tested the hypothesis that the presence of macrophytes increases abundance and species richness of fish, in addition to changes in species composition, at different periods of fish development. Our findings demonstrated that, in different period of fish development, the highest values of fish species richness and abundance were found at sites colonised by macrophytes. Similarly, changes in fish species composition were observed between habitats colonised by macrophytes and non‐vegetated areas. Therefore, the results demonstrate that macrophyte presence plays an important role in regulating fish community structure at different periods of fish development.
Keywords	Neotropics ; community structure ; fish communities ; fish development ; floodplains ; freshwater fish ; habitats ; macrophytes ; ontogeny ; species richness
Language	English
Dates of publication	2023-01
Size	p. 120-132.
Publishing place	John Wiley & Sons, Ltd
Document type	Article ; Online
Note	JOURNAL ARTICLE
ZDB-ID	913011-1
ISSN	0906-6691
ISSN	0906-6691
DOI	10.1111/eff.12674
Database	NAL-Catalogue (AGRICOLA)

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Article: Chronology of invasion and establishment of Pterygoplichthys ambrosettii (Holmberg 1893), in the upper Paraná River basin

da Silva, Jislaine Cristina / Reinas, Gabriela Cassia Zanon / Agostinho, Angelo Antonio / Bialetzki, Andréa

Journal of applied ichthyology. 2022 July, v. 38, no. 4

2022

Abstract: Invasions of non‐native fish species are generally associated with human activities that violate historically insurmountable barriers to species on local and global scales. For Pterygoplichthys ambrosettii (Holmberg 1893), invasive to the upper Paraná ... ...

Abstract	Invasions of non‐native fish species are generally associated with human activities that violate historically insurmountable barriers to species on local and global scales. For Pterygoplichthys ambrosettii (Holmberg 1893), invasive to the upper Paraná River basin, informations about introduction and period of occupation are uncertain. Thus, aim of this study was to establish the invasion chronology and the establishment of this species in the Upper Paraná River basin, based on long‐term data (37‐year sampling), in addition to evaluating its current distribution. The results indicate that P. ambrosettii was first recorded in 1997 in the Itaipu reservoir and in 2000 in the Upper Paraná River floodplain. Currently, this species is registered in 118 localities in the basin, and the fact that several of these occurrences were recorded in locals that are not accessible through upstream migration suggests their origin from the aquarium hobby. This study elucidates when and where the invasion process of by P. ambrosettii began in the Upper Paraná River floodplain, and indicates that its broad non‐native distribution has exceeded the limits imposed by the geographical barriers.
Keywords	Pterygoplichthys ; basins ; fish ; floodplains ; humans ; ichthyology ; occupations ; rivers ; watersheds
Language	English
Dates of publication	2022-07
Size	p. 434-441.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	283875-8
ISSN	0175-8659
ISSN	0175-8659
DOI	10.1111/jai.14340
Database	NAL-Catalogue (AGRICOLA)

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Article: Fish larvae-environment networks: co-occurrence patterns, nestedness and robustness of reproductive guilds

Rosa, Rafael Rogério / Bellay, Sybelle / Baumgartner, Matheus T. / Bialetzki, Andréa

Hydrobiologia. 2022 May, v. 849, no. 9

2022

Abstract: We assessed the importance of different types of riverine environments (river channels, tributaries, and floodplain lagoons) for the early development of fish larvae from different reproductive guilds. With samples from 25 sites scattered along a 230 km ... ...

Abstract	We assessed the importance of different types of riverine environments (river channels, tributaries, and floodplain lagoons) for the early development of fish larvae from different reproductive guilds. With samples from 25 sites scattered along a 230 km stretch of the upper Paraná River we classified 29 fish taxa into two reproductive guilds depending on their ability to perform long migrations (> 100 km): short-distance (SM) and long-distance (LM) migratory. We used network-based metrics (connectance and nestedness) to evaluate species-environment relationships, and potential effects on species’ persistence after primary losses of environments. Both reproductive guilds had low connectance and no nested structure. Regarding spatial co-occurrence patterns, SM taxa were significantly spatially segregated, whereas LM taxa showed random co-occurrence patterns. These patterns likely emerge from the dispersal of eggs and larvae throughout the main rivers and adjacent floodplain environments during floods. The average proportion of lost taxa was 25% for SM and 75% for LM when environments were randomly removed from the network, meaning that LM taxa are potentially more sensitive to habitat loss compared with SM taxa. In this study, we propose a new approach to ichthyoplankton studies using spatial networks that could contribute to support decisions about habitat prioritization. We also highlight the importance of preserving tributaries mainly used by long-distance migratory species, which spawn in these sites so the larvae can drift towards nursery areas.
Keywords	early development ; floodplains ; habitat destruction ; habitats ; ichthyoplankton ; migratory behavior ; migratory species ; nestedness ; prioritization ; riparian areas ; rivers
Language	English
Dates of publication	2022-05
Size	p. 2109-2125.
Publishing place	Springer International Publishing
Document type	Article
ZDB-ID	214428-1
ISSN	1573-5117 ; 0018-8158
ISSN (online)	1573-5117
ISSN	0018-8158
DOI	10.1007/s10750-022-04853-5
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Article ; Online: Effects of pH on the incubation and early development of fish species with different reproductive strategies.

Dos Santos, Joyce Andreia / Soares, Claudemir Martins / Bialetzki, Andréa

Aquatic toxicology (Amsterdam, Netherlands)

2019 Volume 219, Page(s) 105382

Abstract: Fish reproduction in natural environments tends to occur in conditions, including extreme pH values, ideal for the survival of offspring. In this context, the purpose of this study was to assess the influence of pH on both survival and early development ... ...

Abstract	Fish reproduction in natural environments tends to occur in conditions, including extreme pH values, ideal for the survival of offspring. In this context, the purpose of this study was to assess the influence of pH on both survival and early development of two fish species, Astyanax lacustris (short-distance migrating fish) and Piaractus mesopotamicus (long-distance migrating fish), with different reproductive strategies. Our experiments were divided into two tests (incubation and larviculture) at five pH levels. First was incubation through a water recirculation system using 2 L incubators followed by larviculture using a 2.5 L aquarium. pH had no influence on the hatching rate of A. lacustris eggs, but affected the yolk-sac diameter, while the newly-hatched larvae had some skeletal disorders. For P. mesopotamicus, pH influenced the hatching rate and perivitelline space, while the newly-hatched larvae had several skeletal disorders. The larviculture of A. lacustris revealed no effect on the survival rate, but the analyzed morphometric variables indicated significant differences between the treatments. An acidic pH negatively influenced the survival rate of P. mesopotamicus, and all morphometric variables also varied significantly between the treatments. We concluded that both the survival and development of A. lacustris and P. mesopotamicus revealed different responses at pH levels during incubation and larviculture tests.
MeSH term(s)	Animal Migration/drug effects ; Animals ; Characiformes/growth & development ; Characiformes/physiology ; Hydrogen-Ion Concentration ; Larva/drug effects ; Larva/growth & development ; Reproduction/drug effects ; Survival Analysis ; Water Pollutants, Chemical/toxicity
Chemical Substances	Water Pollutants, Chemical
Language	English
Publishing date	2019-12-14
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	782699-0
ISSN	1879-1514 ; 0166-445X
ISSN (online)	1879-1514
ISSN	0166-445X
DOI	10.1016/j.aquatox.2019.105382
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Article: Dispersal of fish eggs and larvae in a cascade of small hydropower plants with fish ladders

Brambilla, Eduardo Meneguzzi / Silva, Luiz G. M. / Baumgartner, Lee J. / Bialetzki, Andréa / Nogueira, Marcos Gomes

Hydrobiologia. 2022 Jan., v. 849, no. 2

2022

Abstract: This study was conducted to investigate fish eggs and larvae dispersal in a river stretch influenced by small hydropower plants in Southeast Brazil. The main hypothesis is that the downstream dispersal of free-flowing eggs and larvae is likely to occur ... ...

Abstract	This study was conducted to investigate fish eggs and larvae dispersal in a river stretch influenced by small hydropower plants in Southeast Brazil. The main hypothesis is that the downstream dispersal of free-flowing eggs and larvae is likely to occur given the small size of the studied reservoirs and that passage through the dam may occur, with the fish ladder contributing to it. Eggs and larvae were collected fortnightly, between November 2016 and February 2017, from locations upstream of two dams, including lotic, transition and lentic zones. Additional samples were collected inside the fish ladders at each dam. Downstream dispersal of eggs and larvae was influenced by a combination of rainfall/flow variation and stage of the reproductive cycle, with the peak of rainfall during the summer coinciding with higher abundances. Under these conditions, eggs and larvae drifted downstream through the reservoirs and reached the dams. Once in the dam, they could pass through the fish ladder. This passage was correlated with larval density in the reservoir immediately upstream, although at very low densities compared with the other sampling sites located upstream of the fish ladders.
Keywords	fish ; fish ladders ; larvae ; lentic systems ; lotic systems ; rain ; rivers ; summer ; water power ; Brazil
Language	English
Dates of publication	2022-01
Size	p. 339-356.
Publishing place	Springer International Publishing
Document type	Article
ZDB-ID	214428-1
ISSN	1573-5117 ; 0018-8158
ISSN (online)	1573-5117
ISSN	0018-8158
DOI	10.1007/s10750-020-04425-5
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Article ; Online: Larval development of the freshwater croaker Pachypops fourcroi (La Cépède 1802) (Perciformes: Sciaenidae).

Oliveira, Lucas S / Cajado, Ruineris A / Silva, Fabíola K S / Bialetzki, Andréa / Zacardi, Diego M

Journal of fish biology

2021 Volume 99, Issue 6, Page(s) 2056–2059

Abstract: The larval development of Pachypops fourcroi from the lower Amazon River was described through morphological, meristic and morphometric features. Sixty-five larvae were examined and present a moderate body, slightly elliptical eyes and head ranging from ... ...

Abstract	The larval development of Pachypops fourcroi from the lower Amazon River was described through morphological, meristic and morphometric features. Sixty-five larvae were examined and present a moderate body, slightly elliptical eyes and head ranging from moderate to large. The mouth is initially terminal and becomes subterminal throughout development with three barbels in the mentonian region. The larvae of P. fourcroi can be differentiated from other Sciaenidae in the Amazon basin by the pigmentation pattern, the presence of barbels, head depth, body depth and diameter, and shape of the eye.
MeSH term(s)	Animals ; Larva ; Perciformes ; Pigmentation ; Rivers
Language	English
Publishing date	2021-09-20
Publishing country	England
Document type	Journal Article
ZDB-ID	410564-3
ISSN	1095-8649 ; 0022-1112
ISSN (online)	1095-8649
ISSN	0022-1112
DOI	10.1111/jfb.14894
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Article: Effects of pH on the incubation and early development of fish species with different reproductive strategies

dos Santos, Joyce Andreia / Bialetzki, Andréa / Soares, Claudemir Martins

Aquatic toxicology. 2020 Feb., v. 219

2020

Abstract	Fish reproduction in natural environments tends to occur in conditions, including extreme pH values, ideal for the survival of offspring. In this context, the purpose of this study was to assess the influence of pH on both survival and early development of two fish species, Astyanax lacustris (short-distance migrating fish) and Piaractus mesopotamicus (long-distance migrating fish), with different reproductive strategies. Our experiments were divided into two tests (incubation and larviculture) at five pH levels. First was incubation through a water recirculation system using 2 L incubators followed by larviculture using a 2.5 L aquarium. pH had no influence on the hatching rate of A. lacustris eggs, but affected the yolk-sac diameter, while the newly-hatched larvae had some skeletal disorders. For P. mesopotamicus, pH influenced the hatching rate and perivitelline space, while the newly-hatched larvae had several skeletal disorders. The larviculture of A. lacustris revealed no effect on the survival rate, but the analyzed morphometric variables indicated significant differences between the treatments. An acidic pH negatively influenced the survival rate of P. mesopotamicus, and all morphometric variables also varied significantly between the treatments. We concluded that both the survival and development of A. lacustris and P. mesopotamicus revealed different responses at pH levels during incubation and larviculture tests.
Keywords	Astyanax ; early development ; eggs ; fish ; hatching ; larvae ; morphometry ; pH ; Piaractus mesopotamicus ; progeny ; survival rate ; yolk sac
Language	English
Dates of publication	2020-02
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	782699-0
ISSN	1879-1514 ; 0166-445X
ISSN (online)	1879-1514
ISSN	0166-445X
DOI	10.1016/j.aquatox.2019.105382
Database	NAL-Catalogue (AGRICOLA)

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Article: Early ontogeny of yellowtail tetra fish Astyanax lacustris (Characiformes: Characidae)

dos Santos, Joyce A / Soares, Claudemir M / Bialetzki, Andréa

Aquaculture research. 2020 Oct., v. 51, no. 10

2020

Abstract: The ontogeny of the tetra fish Astyanax lacustris, from embryogenesis through the larval and juvenile periods, is presented. The eggs and larvae were obtained through induced reproduction. The larvae were collected at hatching and daily, until all stages ...

Abstract	The ontogeny of the tetra fish Astyanax lacustris, from embryogenesis through the larval and juvenile periods, is presented. The eggs and larvae were obtained through induced reproduction. The larvae were collected at hatching and daily, until all stages of development were obtained and, later, once a week, until the juvenile period. The eggs are small, slightly adhesive and demersal, and have a transparent chorion, yellowish calf and meroblastic cleavage. The larvae hatch 19 hr after fertilization (26ºC). The standard length during initial development ranges from 2.17 to 18.10 mm. The larvae have a subterminal mouth, simple nostrils, a pair of adhesive organs on the back of the head (newborn larvae), spherical eyes and medium‐length intestines. The initial pigmentation is scarce, concentrated in the anteroposterior ends of the yolk sac, but intensifies from the flexion stage, with chromatophores in the mouth and in the cephalic region; the humeral region and the caudal peduncle have a macula at the end of the larval development. The total number of myomeres: 32–38, 15–20 preanal and 14–20 postanal. Juveniles showed similar morphology and pigmentation to adults. The number of fin rays: pectoral 11–12; pelvic 6–7; dorsal 10–11; and anal 27–29.
Keywords	Astyanax ; adults ; calves ; chorion ; chromatophores ; eggs ; embryogenesis ; eyes ; fins ; fish ; hatching ; head ; intestines ; juveniles ; larvae ; larval development ; mouth ; neonates ; nose ; ontogeny ; pigmentation ; yolk sac
Language	English
Dates of publication	2020-10
Size	p. 4030-4042.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	1227359-4
ISSN	1355-557X
ISSN	1355-557X
DOI	10.1111/are.14746
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Article: Larval development of the freshwater croaker Pachypops fourcroi (La Cépède 1802) (Perciformes: Sciaenidae)

Oliveira, Lucas S. / Cajado, Ruineris A. / Silva, Fabíola K. S. / Bialetzki, Andréa / Zacardi, Diego M.

Journal of fish biology. 2021 Dec., v. 99, no. 6

2021

Abstract: The larval development of Pachypops fourcroi from the lower Amazon River was described through morphological, meristic and morphometric features. Sixty‐five larvae were examined and present a moderate body, slightly elliptical eyes and head ranging from ... ...

Abstract	The larval development of Pachypops fourcroi from the lower Amazon River was described through morphological, meristic and morphometric features. Sixty‐five larvae were examined and present a moderate body, slightly elliptical eyes and head ranging from moderate to large. The mouth is initially terminal and becomes subterminal throughout development with three barbels in the mentonian region. The larvae of P. fourcroi can be differentiated from other Sciaenidae in the Amazon basin by the pigmentation pattern, the presence of barbels, head depth, body depth and diameter, and shape of the eye.
Keywords	Sciaenidae ; basins ; eyes ; fish ; freshwater ; head ; larval development ; morphometry ; mouth ; pigmentation ; Amazon River
Language	English
Dates of publication	2021-12
Size	p. 2056-2059.
Publishing place	Blackwell Publishing Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	410564-3
ISSN	1095-8649 ; 0022-1112
ISSN (online)	1095-8649
ISSN	0022-1112
DOI	10.1111/jfb.14894
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Article ; Online: Early ontogeny of <i>Tatia neivai</i> (Ihering, 1930) (Osteichthyes, Auchenipteridae), a small catfish from Neotropical region.

Santos, Joyce Andreia Dos / Passos, Regina Meneguetti / Agostinho, Angelo Antonio / Bialetzki, Andréa

Zootaxa

2017 Volume 4353, Issue 3, Page(s) 540–550

Abstract: The early development of Tatia neivai (Ihering 1930) was analyzed (i) to characterize its morphological, morphometric and meristic development; and (ii) to examine its possible ontogenic variation as a result of the development of structures and organs ... ...

Abstract	The early development of Tatia neivai (Ihering 1930) was analyzed (i) to characterize its morphological, morphometric and meristic development; and (ii) to examine its possible ontogenic variation as a result of the development of structures and organs necessary for survival. Samples were collected in the Baía River, basin Paraná River, Mato Grosso do Sul State, Brazil, between February 1999 and April 2000. After identification, the specimens were separated according to notochord development, and the morphometric and meristic characters were measured and counted. Forty-seven larvae and one juvenile with standard length ranging from 6.10 to 23.10 mm were analyzed. Larvae exhibit a cylindrical and highly pigmented body, small eyes, short intestine, terminal mouth, one pair of maxillary barbels and two pairs of mentonian barbels (relatively short). The juveniles presented a body shape similar to their adults. The total number of myomeres (33-35, 12 to 14 pre-anal and 20 to 23 postanal). Number of fin rays: dorsal I+4, anal I+9; pectoral I+5 and ventral six. During ontogeny, morphological changes observed in T. neivai have important ecological consequences, especially between flexion and postflexion stages (metamorphosis) when the larvae develop all necessary structures for its survival, such as locomotion and feeding.
MeSH term(s)	Animals ; Brazil ; Catfishes ; Embryonic Development ; Larva ; Rivers
Language	English
Publishing date	2017-11-24
Publishing country	New Zealand
Document type	Journal Article
ISSN	1175-5334
ISSN (online)	1175-5334
DOI	10.11646/zootaxa.4353.3.8
Database	MEDical Literature Analysis and Retrieval System OnLINE

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