Endoscopy application in broodstock management of Arapaima gigas (Schinz, 1822)

Abstract

First paragraph: The air-breather fish Arapaima gigas (Schinz, 1822) is an emblematic species of the Amazon with adults reaching up to 2.5 m total length. A. gigas is long-considered a promising new candidate species for aquaculture, with reported growth rates of 10 kg over 1 year, no intramuscular spines, and suitability to different production systems. However, the control of reproduction in captivity is a key impairment limiting the expansion of the aquaculture sector mainly due to the lack of fingerling supply, which in turn also increases the pressure on the natural stocks