Parent–egg–progeny Relationships in Teleost Fishes: An Energetics Perspective

Kamler, Ewa

doi:10.1007/s11160-006-0002-y

Cited by 277 publications

(299 citation statements)

References 127 publications

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“…Variations in fecundity among the same and different species are common phenomenon and differ from year to other Najim et al (2012). Many factors could be influenced fecundity; length, weight, age, food abundance, environmental factors and fish status (Lambert et al, 2003;Kamler, 2005). However, there is compatible with our finding in the present work in general trends and with the previous studies on represented species (Al-Selah et al, 2010;Oymak et al, 2011;Al-Selah et al, 2012;Duman and Gul, 2013).…”

Section: Discussionsupporting

confidence: 93%

“…Eggs size is important parameter to success the reproductive cycle of species that strongly associated with maximum size of the species (genetic), physiology, food available and environmental conditions. Caloric value of oocyte yolk which is largely associated of content water, lipids and protein that enables the larvae to pass the critical stage in their life history (Kamler, 2005). Yolked oocyte diameter is largely governed by the natural size of species attained, environmental conditions, reproductive strategy, spawning pattern and parental care (Lambert et al, 2003).…”

Section: Discussionmentioning

confidence: 99%

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Reproductive Characteristics of <i>Leuciscus vorax</i> (Heckel, 1843) from Al-Huwaiza Marshes Southern Iraq

Abdullah

Al-Zaidy²,

Habbeb³

2017

ijms

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A total of 114 (76 female and 38 male) specimens of Shelig Leuciscus vorax were monthly collected from Al-Huwaiza marsh southern Iraq from November 2016 to October 2017. The samples were caught utilizing gill net and electrofishing. The highest values of gonadosomatic index (GSI) were found in February (18.35 and 5.33 for female and male respectively). Only mature individuals of L. vorax female were used to estimate absolute-relative fecundity and measure eggs diameters of very ripe gonads. Absolute fecundity ranged from 77612 eggs at 56 cm in total length (1672 g) body weight to 378391 eggs 79.5 cm in total length and (5001 g) boy weight. Highly significant differences relationships were observed among to total length, body weight and reproductive parameters. The relative condition factor differs from 0.85±0.11 in October to 1.37±0.09 in June. The results showed one spawning peak on reproductive strategy of represented species, which is preceding other species of fish to enables the small fish of L. vorax feeding on larvae and other small fish species in assemblage.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Reproductive Characteristics of <i>Leuciscus vorax</i> (Heckel, 1843) from Al-Huwaiza Marshes Southern Iraq

Abdullah

Al-Zaidy²,

Habbeb³

2017

ijms

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“…Thus, it may be that the principal advantage to the production of large eggs for rocky-shore cichlids lies in the larger size at hatching of the offspring. Larger offspring are likely to be less vulnerable to a certain component of the predator community or vulnerable for a shorter period and be better competitors over food and space (43,44). It has been suggested that there is high predation pressure on young fish in the crowded rocky shores of the African Great Lakes (17).…”

Section: Discussionmentioning

confidence: 99%

Parallel life history evolution in mouthbrooding cichlids from the African Great Lakes

Duponchelle

Paradis

Ribbink

et al. 2008

Proc. Natl. Acad. Sci. U.S.A.

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The existence of ancient deep-water lakes provides an opportunity to study the independent adaptation of aquatic organisms to pelagic, benthic, and rocky shore habitats. With improving resolution of their phylogenetic relationships, the many cichlid fish species endemic to the African Great Lakes Malawi, Tanganyika, and Victoria provide a significant resource for the comparative study of such evolutionary processes. Here, we show that cichlid lineages colonizing rocky shores and pelagic habitats in the different lakes have independently evolved larger eggs and lower fecundities than benthic lineages, suggesting parallel adaptive life-history evolution. By contrast, other pelagic teleost fishes in both marine and freshwater habitats, including African lakes, typically produce large numbers of very small eggs. Our results also suggest that decreased fecundity and increased egg size not only occurred independently in each lake but occurred independently in the colonization of rocky and pelagic habitats.parallelism ͉ phylogenetically controlled comparative analysis ͉ phylogeny

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“…Low concentrations of this steroid in the plasma of OFs may be related to a reduced reproductive performance of this group (data not shown), since it is known that fish age and size interfere with the reproductive performance by several mechanisms (MARTEINSDOTTIR and STEINARSSON, 1998;BERKELEY et al, 2004;VLADIĆ and PETERSON, 2015), including the gonadal steroid profile (CIERESZKO et al, 1998). In the wild, older females may arrive at spawning areas earlier and spawn before younger females (MARTEINSDOTTIR and STEINARSSON, 1998;KAMLER, 2008). In some cases, as observed for brook trout (BLANCHFIELD and RIDGWAY, 2005), larger females make use of the best areas, with better food resources to the offspring.…”

Section: Discussionmentioning

confidence: 98%

Seleção de fêmeas de pacu para indução hormonal: efeito da idade e dos métodos de avaliação

2016

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In this study, we investigated the reproductive cycle and spawning season of old (OFs) and young (YFs) P. mesopotamicus females, aiming to improve the process of selection of suitable fish for induced spawning. We also evaluated the accuracy of using external body characteristics in selecting suitable females. To that, 60 OFs and 60 YFs (10 and four years old, respectively) were submitted to seven samplings during two reproductive cycles. In each sampling, females (five to 10 per treatment) were randomly chosen to evaluation of plasma concentrations of gonadal steroids and ovary composition (biopsies and stereology). Females were also submitted to an external evaluation concerning the length of abdominal thickness, the degree of the abdominal rigidity and the aspect of urogenital papilla. In spite of OFs have shown reduced concentrations of 17α-hydroxyprogesterone during the spawning season, we observed that OFs and YFs kept in captivity had similar reproductive cycles and spawning seasons (in December for both groups). We do not recommend the exclusive use of external evaluation for selecting breeders to spawning induction due to a great inaccuracy of data and lack of association with histology and ovarian biopsy, which are more accurate and reliable. RESUMONeste estudo, investigamos o ciclo reprodutivo e a época de desova de fêmeas "velhas" (FVs) e fêmeas "jovens" (FJs) de P. mesopotamicus, visando melhorar o processo de seleção de peixes para a indução hormonal. Avaliamos também a acurácia do uso de características corporais externas para a seleção de fêmeas para indução hormonal. Para isso, 60 FVs e 60 FJs (10 e quatro anos, respectivamente) foram submetidas a sete amostragens durante dois ciclos reprodutivos. Em cada amostra, as fêmeas (cinco a 10 por tratamento) foram capturadas para avaliação das concentrações plasmáticas de esteroides gonadais e composição dos ovários (biópsias e estereologia). As fêmeas foram também submetidas à uma avaliação externa relativa à espessura abdominal, o grau de rigidez abdominal e o aspecto da papila urogenital. Exceto pela ocorrência de concentrações reduzidas de 17α-hidroxiprogesterona nas FVs, durante a época de desova, observamos que FVs e FJs, mantidas em cativeiro, apresentam ciclos reprodutivos e épocas de desova similares (em dezembro para ambos os grupos). Não recomendamos o uso exclusivo da avaliação externa para a seleção de reprodutores para indução a desova, devido a uma imprecisão dos dados e falta de associação destes com a histologia e biópsia de ovário, os quais são mais precisos e confiáveis.Palavras-chave: seleção de matrizes; desova induzida; biópsia ovariana; ciclo reprodutivo; falha na ovulação Artigo Científico: Recebido em 30

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Parent–egg–progeny Relationships in Teleost Fishes: An Energetics Perspective

Abstract: page 399

Cited by 277 publications

References 127 publications

Reproductive Characteristics of <i>Leuciscus vorax</i> (Heckel, 1843) from Al-Huwaiza Marshes Southern Iraq

Reproductive Characteristics of <i>Leuciscus vorax</i> (Heckel, 1843) from Al-Huwaiza Marshes Southern Iraq

Parallel life history evolution in mouthbrooding cichlids from the African Great Lakes

Seleção de fêmeas de pacu para indução hormonal: efeito da idade e dos métodos de avaliação

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