Abstract The populations of Notopterus notopterus or commonly known as Javan Belida, in some places are rarely found and their have decreased. Domestication is one strategy fisheries resources management related to the rare condition, threatened extinction, even disappearance fish species. also part initiative for developing aquaculture effort this purpose study assess adaptation N. on gonad ma...

In teleosts, the basal part of the retinal pigment epithelium (RPE) is relatively smooth, i. e., it is free of basal membrane infoldings. In the featherback, Notopterus notopterus, whereas this is the situation in light adaptation, during dark-adaptation, especially when kept for prolonged periods (6-9 hour), numerous infoldings appear at the basal region, as found uniquely by transmission elec...