I Like the colouration.the dark coloured 'cracks' from the mushrooms almost makes it look like a 'nether portal'. This actually makes it look even scarier. But let's adress the elefant in the room. The piranha! Isn't he lovely? It's amazing how close a family you can be. Which proves that it doesn't matter who your family is. As long as you feel at home.
Did I over analyze it? Probably.
Anyhow, good job. Would love to see more background though.