2004
DOI: 10.1590/s0100-879x2004000400004
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Environmental color affects Nile tilapia reproduction

Abstract: We investigated the effects of environmental color on the reproductive behavior of Nile tilapia, Oreochromis niloticus. Two environmental colors were tested by covering the aquarium (60 x 60 x 40 cm) with white (12 groups) or blue (13 groups) cellophane and observing reproductive behavior in groups of 2 males (10.27 ± 0.45 cm) and 3 females (10.78 ± 0.45 cm) each. After assignment to the respective environmental color (similar luminosity = 100 to 120 Lux), the animals were observed until reproduction (identifi… Show more

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Cited by 64 publications
(50 citation statements)
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“…Blue is known to reduce stress (24) and improve reproduction (16) in Nile tilapia. Water temperature was maintained at 27 ± 1°C by individual thermostats and the photoperiod was 12-h light/dark cycles, starting at 7:00 am.…”
Section: Experiments 2: Sensorial Cues and Stimulation Of Reproductivementioning
confidence: 99%
See 1 more Smart Citation
“…Blue is known to reduce stress (24) and improve reproduction (16) in Nile tilapia. Water temperature was maintained at 27 ± 1°C by individual thermostats and the photoperiod was 12-h light/dark cycles, starting at 7:00 am.…”
Section: Experiments 2: Sensorial Cues and Stimulation Of Reproductivementioning
confidence: 99%
“…In the cichlid Nile tilapia, Oreochromis niloticus, the dominant male increases chasing and courtship of females injected with 17,20βP, but in anosmic males these behaviors are not demonstrable (15). However, the background color of a substrate modulates the frequency of spawning in Nile tilapia (16) and the species shows elaborated courtship movements (17), suggesting that visual communication is part of its reproductive behavior.…”
Section: Introductionmentioning
confidence: 99%
“…O efeito das cores dos ambientes sobre a fisiologia e o comportamento dos animais vem se consolidando como área de amplo interesse para pesquisas (Volpato et al, 2004). A maioria dos estudos foca em mostrar os efeitos das cores do ambiente na sobrevivência e no canibalismo das larvas de peixes e organismos aquáticos (Tamazouzt et al, 2000;Yasharian et al, 2005), e a sua correlação com o estresse (Rotllant et al, 2003) e com o crescimento (Strand et al, 2007).…”
Section: Introductionunclassified
“…A cor do ambiente está relacionada à reprodução (Volpato et al, 2004), à visão e a aspectos adaptativos, como mudanças na pigmentação da pele dos peixes (Sugimoto et al, 2000). Muitos animais marinhos adéquam a cor da sua pele à do ambiente em que vivem, como a espécie Pagrus pagrus (pargo-vermelho) (Rotllant et al, 2003;Van Der Salm et al, 2004).…”
Section: Introductionunclassified
“…O espectro de luz azul inibe a mobilização de lipídeos hepáticos induzida pelo estresse em O. mykiss (KARAKATSOULI et al, 2008), aumenta a eficiência alimentar em larvas de Melanogrammus aeglefinus (DOWNING & LITVAK, 2001) e favorece o crescimento em Perccottus glenii e Poecilia reticulata, efeito não observado em Carassius carassius (RUCHIN, 2004). Por outro lado, reduz o crescimento em P. flavescens, comparativamente à luz vermelha (HEAD & MALISON, 2000), e estimula a reprodução em O. niloticus (VOLPATO et al, 2004).…”
Section: Introductionunclassified