Our focus is on freshwater aquariums since they are generally ... the size and number of fish you want to keep. Keeping fish that are too large for your tank or overcrowding your fish can lead ...
Scientists found a “large”-mouthed ... available at (online) fish retailers from time to time.” A Telmatochromis salzburgeri, or Salzburg’s cichlid, raised in an aquarium.
The researchers examined around 23,500 species of dragonflies, fish, crabs and other animals that depend exclusively on freshwater ecosystems. They found that 24% were at risk of extinction ...