. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. Fig. 67. The Common Eel (Young) THE EEL Small eels may be kept with a collection of wild fishes, but they lookout of place with and are dangerous to goldfishes, having the same habitas the sunfish and catfish of nibbling at the long fins. They are goodscavengers, quickly eating any dead snails or other decomposing is too bad (nor too good) for them to greedily eat. TROPICAL AQUARIUM FISHES 81 THE SOLE Achirus fasciatusAmong the interesting novelties in aquarium fishes is the Sole


. Goldfish varieties and tropical aquarium fishes; a complete guide to aquaria and related subjects. Fig. 67. The Common Eel (Young) THE EEL Small eels may be kept with a collection of wild fishes, but they lookout of place with and are dangerous to goldfishes, having the same habitas the sunfish and catfish of nibbling at the long fins. They are goodscavengers, quickly eating any dead snails or other decomposing is too bad (nor too good) for them to greedily eat. TROPICAL AQUARIUM FISHES 81 THE SOLE Achirus fasciatusAmong the interesting novelties in aquarium fishes is the Sole, oftenknown as the Freshwater Flounder. Aquarists popularly call it the Aero-plane Fish on account of its easy, horizontal progress through the water,the swimming being accomplished mainly by an undulating motion of thefins at the edges of the body, as shown in the two upper figures of theaccompanying illustration. The third figure indicates the under side of. Fig. 68. The Sole (Young)the fish, while the lowest pictures the Sole as it lays half concealed in themud. In the aquarium these fishes frequently fasten themselves flat to thesides of the glass by suction. They may be gathered from the muddy flatsof tidewater streams of the Atlantic Coast. Chopped worms make asuitable diet for them. Sizes such as pictured are good aquarium in-habitants. THE CARP The Carp is one of the most widely known of fishes. Its tenacityof life is extraordinary considering that it is not an air-breather or laby-rinth fish. When sold as a food fish it is kept alive for a day or two whenbarely moistened with water. Common goldfishes well wrapped in wetAnacharis or Myriophyllum and packed in a tight tin box can safely besent on a 12-hour journey or more. A number of varieties of carp are kept as ornamental pond andlarge aquarium fishes. The principal ones are the Mirror, the Leatherand the Golden Carp. There are in this country at the present time some 82 GOLDFISH


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