Danio margaritatus pools at one location is entirely fished off, it is unclear in how far the fish would be able to recolonize them. Conversely, if only part of a local subpopulation is removed, pools from which all celestial pearl danios have been removed likely will be recolonized with a healthy population again after one year or so. The dire warnings reported by Clarke, later in 2007 were found to be unfounded. The celestial pearl danio is prolific, spawning "almost every day", causing ponds that were thought to be empty to be fully restocked a few months later as fry hatched, grew,
What is a Masterpiece? confluence of memories and emotions forming a single idea", that it has "a power of recreating traditional forms so that they become expressive of an artist's own epoch and yet keep a relationship to the past". The highest masterpieces are said to be "illustrations of great themes." Clark also implicitly excluded the erotic from considerations of what constituted a masterpiece, based on his perspective that a necessary condition is the balance between sense and form (works that are too sensual are, therefore, unbalanced and not to be categorised at masterpiece level). What is a Masterpiece? What is a Masterpiece? is