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Courtship behavior and spawning of the hairy blenny Labrisomus nuchipinnis (Labrisomidae) in southeastern Brazil Neotropical Ichthyology
Gibran,Fernando Zaniolo; Santos,Flávia Borges; Santos,Hertz Figueiredo dos; Sabino,José.
Labrisomus nuchipinnis is a diurnal bottom-dwelling sit-and-wait carnivorous fish that inhabits holes and rifts of rocky areas in tropical shallow waters. Here we report on the courtship behavior and spawning of this hairy blenny in southeastern Brazil, with a detailed description and comparison with other Blennioidei. Labrisomus nuchipinnis is a territorial species that was observed courting with more than one female, and presenting a well defined pattern cycle related to reproductive behavior and paternal egg care. Adhesive demersal eggs are laid on small algae-covered rocks at sites with increased current velocity within the male's territory, which may enable higher egg survivorship and shorter developmental time.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mating behavior; Oviposition; Parental care; Blennies; South Atlantic.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252004000300009
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Activity, habitat utilization, feeding behaviour, and diet of the sand moray Gymnothorax ocellatus (Anguilliformes, Muraenidae) in the south western Atlantic Biota Neotropica
Santos,Flávia Borges; Castro,Ricardo M. C..
Activity, habitat utilization, feeding behaviour, and diet of the sand moray Gymnothorax ocellatus (Anguilliformes, Muraenidae) in the South western Atlantic. The sand moray Gymnothorax ocellatus is a nocturnal predator from the western South Atlantic that actively forages on the bottom, preying mostly on crustaceans (mainly shrimps and crabs) and ray-finned fishes, which are located primarily by the sense of smell. The individuals stay stationary during the day, almost always being hidden in individual tunnels dug by animals other than the morays in the muddy sand bottom.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Muraenidae; Gymnothorax ocellatus; Habitat use; Feeding behaviour; Diet.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032003000100003
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Life history of three catfish species (Siluriformes: Ariidae) from southeastern Brazil Biota Neotropica
Denadai,Márcia Regina; Bessa,Eduardo; Santos,Flávia Borges; Fernandez,Wellington Silva; Santos,Fernanda Motta da Costa; Feijó,Mônica Malagutti; Arcuri,Andreza Cristina Dias; Turra,Alexander.
This study evaluated the spatio-temporal distribution, reproduction and diet of the catfishes Genidens genidens, G. barbus and Aspistor luniscutis in Caraguatatuba Bay. Their sizes were recorded and the sex and reproductive stage identified. The abundance was compared between areas (South and North) and among months (August 2003 - October 2004). The species had different spatial distributions, allowing them to coexist. The temporal distribution reflected their tendencies to migrate in the reproductive period, as evidenced by the dominance of small immature individuals in the bay. G. genidens tended to reproduce in winter, and A. luniscutis in spring. The diet of G. genidens consisted of crustaceans, mollusks (shells), fish scales, ostracods, and bivalve...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Spatio-temporal distribution; Diet; Genidens genidens; Genidens barbus; Aspistor luniscutis; Caraguatatuba Bay.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000400008
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