This study assessed the diet of two poorly known syntopic fish species of the family Crenuchidae, Characidium aff. declivirostre and Leptocharacidium omospilus, in a Presidente Figueiredo’ rocky stream, Amazonas, Brazil. The stomach contents were analyzed and their Frequency of Occurrence (FO %) and Relative Volume (Vol %) were combined in a Feeding Index (IAi). We examined 20 individuals of C. aff. declivirost...
In the original publication [1] figure 4 and 5 are been switched and do not correspond to each other. © 2017 The Author(s).
For some tropical fishes, the information on growth parameters is still scarce, and few or no records are available in FishBase. Therefore, the objective of this study was to estimate the growth curves for Brycon amazonicus (Spix et Agassiz, 1829), Piaractus brachypomus (Cuvier, 1818), Prochilodus nigricans Spix et Agassiz, 1829, Semaprochilodus insignis (Jardine, 1841), and Semaprochilodus taeniurus (Valencien...
O presente trabalho teve como objectivo o estudo da abundância, biomassa e diversidade das capturas de concursos de pesca desportiva na Costa Algarvia, nomeadamente, através de uma monitorização, que decorreu entre 24 de Fevereiro e 16 de Junho de 2007, em 4 praias Algarvias, e pela análise dos registos destes concursos realizados em 21 locais, entre 1995-2007. Durante a sub-amostragem dos campeonatos, foram re...