Lion's Mane Jellyfish - Capable of attaining a bell diameter of ft, these jellyfish can vary greatly in size. At 120 feet in length, the largest known specimen was longer than a blue whale and is considered one of the longest known animals in the world.
A fabulous parent, the Discus fish, carrying fry. The fry eat the slime coat off the parent. Discus are amazing parents taking turns and flashing from dark to lit when they want a break. The other parent goes dark and takes over.