Page:The Book of the Aquarium and Water Cabinet.djvu/48

38 and hence as to longevity they prove themselves the worst. Dace are very tameable, and soon grow bold and familiar in captivity, comporting themselves in their attitudes and motions much like Prussian carp. Of the three, dace are the most hardy; I have some which have survived eighteen months’ confinement, and are now enjoying the sunshine in the garden.

The aquarian, contemplating the silvery spangles of his white fish, may like to be reminded that the scales of dace, roach, and bleak, were formerly used in the manufacture of Oriental pearls, and are still used to some extent in making the imitations of pearl that occasionally gleam under the chandelier upon the brows of laughing belles.

C. phoxinus, the minnow. An aquarium without minnows is no aquarium at all—it is a makeshift. With a shoal of minnows and a few Prussian Carp an aquarium may be considered fairly stocked, because there is really something to look at, something to amuse, and something to instruct. The minnow is a bold and impudent fish; he is at his ease in less than an hour, and in a week will show a sign of attachment and familiarity. They do not live beyond three years, but will reach that age in the confinement of a tank. Like carp and tench (and asses), minnows may be said never to die, for they survive the severest trials of heat and cold, neglect and bad treatment. The colours are pleasing, and bear some close resemblance to the mackerel; but fright will make them assume a pale fawn colour in an instant. Disease seldom attacks them,