. The complete aquarium book; the care and breeding of goldfish and tropical fishes. Aquariums; Goldfish. 20 AQUARIUM MANAGEMENT sionally see whether the mussels are living, as they decompose very rapidly and spoil the aquarium water. This can be done by tapping lightly on the shell and seeing whether they respond by closing. It is doubtful whether the benefits arising from their use are equal to the risks incurred in their dying, especially in tropical aquaria. They may be gathered by raking the mud and sand of freshwater bodies. Their presence is usually indicated by some half-shells lying a
. The complete aquarium book; the care and breeding of goldfish and tropical fishes. Aquariums; Goldfish. 20 AQUARIUM MANAGEMENT sionally see whether the mussels are living, as they decompose very rapidly and spoil the aquarium water. This can be done by tapping lightly on the shell and seeing whether they respond by closing. It is doubtful whether the benefits arising from their use are equal to the risks incurred in their dying, especially in tropical aquaria. They may be gathered by raking the mud and sand of freshwater bodies. Their presence is usually indicated by some half-shells lying around in the Fig. 10. Freshwater Mussel, Showing Water Intake and Outlet; Also "Foot" With Which It Burrows and Travels Weatherfish. A curious and useful scavenger is an eel-like fish called the Weatherfish. Varieties are native to Europe and Asia. They are freely imported and inexpensive. When not scouring the aquarium bottom for bits of decomposing matter, they sometimes burrow into the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Innes, William T. (William Thornton), 1874-1969. New York, Halcyon house
Size: 1909px × 1309px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorinn, bookcentury1900, bookpublishernewyorkhalcyonhouse
