Abstract
Abstract: Studies on ichthyoplankton ecology become essential when one realizes the importance and influence of this component in dynamics, conservation, and maintenance of fishery resources. However, ecological information about this subject is still scarce and has not been properly valued and used by environmental managers and decision-makers. In this study, we present the state of the art of research on ichthyoplankton in the Amazon region. The number of studies has been increasing over time but they are scarce and restricted. We hope this study may encourage research related to ichthyoplankton in the Amazon region.
Highlights
We present the state of the art of research on ichthyoplankton in the Amazon region
We hope this study may encourage research related to ichthyoplankton in the Amazon region
In the Amazonian context, the fish are among the main sources of food supply for the human riverside populations (Doria et al, 2012; Lima et al, 2012)
Summary
In the Amazonian context, the fish are among the main sources of food supply for the human riverside populations (Doria et al, 2012; Lima et al, 2012). A large portion of freshwater fish, mainly migratory species, are widely exploited and account for more than 80% of catches throughout the Amazon (Goulding et al, 2019) Most representatives of this category have eggs and larvae diverting in open waters (Araújo-Lima & Oliveira, 1998; Nakatani et al, 2001; Orsi et al, 2016), which interact with predators and planktonic prey (Nascimento & Araújo-Lima, 2000). Knowledge of the initial phase of the fish life cycle, in addition to clarifying fundamental aspects of life history, provides important information on reproductive periods, spawning grounds, nurseries, and growth, as well as understanding fluctuations in population dynamics It allows to estimate migratory routes, the potential for renewal (successful recruitment), to evaluate the conservation status of the species and to assist the maintenance of fishery stocks (Nakatani et al, 2001; Cruz et al, 2016), which can be used to guide management and conservation efforts. Different studies considering identification with morphological approaches alone have been able to reveal interesting patterns
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