sentence: Caecilians have no limbs.
sentences_after: For this reason, the smaller species look like worms, while the larger species with lengths up to 1.5 m look similar to snakes. The tail is short and the cloaca is near the end of the body. Their skin is smooth and usually dark in colour. Some species have colorful skins, though. Inside the skin are calcite scales.
concept_name: caecilian
headings: Caecilian Anatomy
categories: Caecilians