Mammalian snake like creature covered with "fur" which is really a symbiotic algae colony. The photosensitive algae colony provides chameleon like properties, shares it's photosynthesis with the animal when hunting is scarce, and shares the snake's caloric intake at night. The snake has a euphoric venom, which is in fact plant based. 2 - 3 feet in length, brown skin with a "fur" that changes color with the leaves.