Lumbriculus variegatus, also known as the Blackworm, California blackworm, or the Mudworm, is a natural food for many aquatic animals (such as freshwater fish, crabs, crayfish, axolotl, frogs,...

Heterometrus spinifer (the Malaysian Black scorpion), is one of the renowned scorpion species in the hobby, owing to their impressive size, hardiness, and adaptability to a variety of...

Oryzias latipes, commonly known as the Medaka Ricefish, is a small freshwater fish that are extremely popular in Asia and are pretty rare in America and Europe. In my opinion, this is one of...

Heteranthera zosterifolia, commonly known as the Stargrass, is a nice-looking aquatic stem plant that became popular due to its bushy and lovely green texture after it was used in Takashi...

Coenobita purpureus, commonly known as Blueberry hermit crabs, is one the rarest pet hermit crab species in the hobby nowadays. This species has been listed as “near threatened” on the Red...

Freshwater limpets (genus Acroluxus) are common visitors in our tanks. Some people absolutely hate these tiny critters with a huge passion while others do not mind having them as additional clean...