The ultimate aquarium: a definitive guide to identifying and keeping freshwater and marine fishes
Offering expert advice on how to get the most out of keeping an aquarium, a heavily illustrated guide covers getting started, maintaining a healthy tank, and understanding the many varieties of fish breeds.
28 pages matching gravel in this book
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adults algae alkaline anabantids anal fin aquaria aquarists aquatic barb barbels bloodworm body bogwood bottom brackish water bred brine shrimp brood bubblenest captivity catfishes caudal fin cave characin cichlids colour community aquarium coral Corydoras Ctenopoma danio Daphnia dealer decor diet dorsal fin eggs ensure equipment feed female filter finnage fishes fishkeeping flake foods freshwater frozen foods genus glass gobies gonopodium gourami gravel grow hard hatched brine shrimp ideal invertebrates juveniles keep killifishes larger larvae light livebearers loach male marine mature mouth mouthbrooders newly hatched brine nitrates oxygen pair partial water changes peaceful plastic plenty predators rainbowfish Rasbora reef require Rineloricaria rocks salt sand shoal slightly acid small fishes small live foods smaller soft spawning species aquarium specimens spines spot substrate suitable surface swimming tankmates temperature territorial tetra tion tube usually water chemistry water conditions water quality wild wrasse