Nunez Jesus auteur aut IRD Dugué Rémi auteur aut IRD Arana N. C. auteur aut IRD Duponchelle Fabrice auteur aut IRD Renno Jean-François auteur aut IRD Raynaud Thomas auteur aut IRD Hubert Nicolas auteur aut IRD Legendre Marc auteur aut IRD text journalArticle eng text/pdf born digital access Brooders of Surubi (Pseudoplatystoma fasciatum) were caught in the Ichillo River (Bolivian Amazon) and adapted to captivity conditions for 1 year in the facilities of the experimental aquaculture station of 'El Prado' (Santa Cruz de la Sierra) under natural temperature and photoperiod conditions. Induced reproduction was obtained by means of Ovaprim (R) (Syndel, Canada) injections and artificial fertilization. Sperm and ova were obtained by gentle stripping of male and female brooders. Fertilized eggs were incubated in 60 L Zug jars. A mean hatching rate of 73.7 +/- 19.0% was obtained after 24 h at 26.5 degrees C. For larval rearing, several protocols were tested with different settings of photoperiod, light intensity, food type and period of distribution, and stocking density. The best survival rates were obtained with Artemia nauplii feeding in total darkness. A high level of aggressiveness between larvae and precocious appearance of jumpers was observed, but these can be controlled with appropriate rearing conditions. specialized Pseudoplatystoma fasciatum larval rearing photoperiod induced spawning Bolivian Amazon 040 39 7 764-776 2008 1355-557X https://www.documentation.ird.fr/hor/fdi:010042574 10.1111/j.1365-2109.2008.01928.x 1355-557X [F B010042574] https://www.documentation.ird.fr/hor/fdi:010042574 https://www.documentation.ird.fr/intranet/publi/2008/05/010042574.pdf Accès réservé (Intranet de l'IRD) IRD - Base Horizon / Pleins textes 2008-05-30 2017-08-23 fdi:010042574 fre