The Canis Major coin is a Constellation Coin found in the Triton Village Ruins in Ciceros Strait, a location in Endless Ocean: Blue World. It is found at coordinates B-7, on the sand near the wall enclosing Triton Village in that area. It is one of the five coins needed to complete the Voice of the Night Sky quest "The Tragedy of Callisto".
- This constellation's name means 'greater dog' in Latin, as opposed to its counterpart Canis Minor's name, that means 'lesser dog'.
- In the night sky, this constellation contains the star Sirius, which is the brightest star in the sky, and is known as the "dog star".
- Canis major was often depicted as one of Orion's hunting dogs (along with Canis Minor), chasing the rabbit (Lepus) or helping him fight the bull (Taurus).