Various, Popular Science Monthly (1887)
“ The fry, when hatched, are at first so very minute and transparent that you can with difficulty perceive them in the water of an aquarium, and even so only by the gentle fluttering motion of their wee fins. Their good papa continues, however, to perform the duties of a nurse for them with profound vigilance, confining them at first to the meshes of the nest, and, when they stray too far, gently leading them back with unremitting kindness to the path of duty. ”
