. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. Aquariums; Goldfish. NATIVE FISHES H^ patches is most striking. Even when not in color there is an interesting bronze-green effect to the scales at the lateral Hne. This is always visible by reflected light, and seems to show mostly at night. If the light is turned on them at night they show very little red color, but in a few minutes it is quite plain. The Rosy-Sided Dace is a large minnow and takes kindly to the aquarium arid is perfectly harmless, but unless plenty of room is pro- vided it w
. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. Aquariums; Goldfish. NATIVE FISHES H^ patches is most striking. Even when not in color there is an interesting bronze-green effect to the scales at the lateral Hne. This is always visible by reflected light, and seems to show mostly at night. If the light is turned on them at night they show very little red color, but in a few minutes it is quite plain. The Rosy-Sided Dace is a large minnow and takes kindly to the aquarium arid is perfectly harmless, but unless plenty of room is pro- vided it will slowly decline. Found in clear cool brooks, from the foot- hills of the Alleghenies, from Pennsylvania to the Carolinas. THE BLACK-NOSED DACE Rhinicthys atronasus The Black-Nosed Dace is one of the best of our native fishes for aquarium purposes. Found in abundance in small swift-running. Fig. 111. The Black-Nosed Dace (Life size) streams of the Delaware Valley, and is widely distributed over Eastern North America. It is an extremely active swimmer and not easily caught unless cornered in a small pocket. From constant swimming against the current it has developed some specialized kind of balance, so that when introduced into the still water of the aquarium, the for- ward part of the body continually drops so a level position is only maintained by an effort. This condition disappears in a few weeks and a new equilibrium becomes established. The Black-Nosed Dace is well rounded and full of body, the belly is clear white and the black band encircling the body is quite intense. It is perfectly harmless and will take almost any food. It is quite sub- ject to a parasite which embeds itself deeply in the sides of the fish, producing an appearance that can best be described as looking like "; This is common to many of the small wild fishes, and while it is not known to have any serious results it is Please note that these images are extracted from s
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