The Yellow Thorny Seahorse belongs to the family Syngnathidae. Native to the Indo-Pacific area, this species of seahorse lives in...

The King Crab belongs to the family Lithodidae. This crab-like decapod is a crustacean that can be found on sandy or rocky substrate in...

The Portuguese Man o' war is the only species that belongs to the family Physaliidae. These marine hydrozoans (Hydrozoa is a class made...