- Suckermouth armored catfish is one of the native catfish from the Amazon river. The fish is diversed in several countries but known as an invasive species, one of them is in Jakarta. Suckermouth armored catfish genus at Indonesia is Pterygoplichthys. Identification by looking at the morphological character of the fish is still difficult. Therefore, the identification is done by looking at the fish abdominal pattern. Sampling was done by searching at Ciliwung River, randomly obtained from the fisherman. The fish is identified by looking at the existing literature. The results show that allegedly there are two species of fish at Ciliwung River, which are Pterygoplichthys pardalis and Pterygoplichthys disjunctivus, also inter-grade fish species. Keywords - Suckermouth armored catfish, Ciliwung River, Morphology characteristic, Abdomenal pattern