A. testudineus is a scientific name given to a type of fish commonly known as the "Asian freshwater catfish". This species is characterized by its elongated body and sharp spines on its pectoral and dorsal fins. Some synonyms for this species include Clarias batrachus, Clarias macrocephalus, and Clarias dussumieri. These synonyms may be used interchangeably with A. testudineus in different regions or scientific publications. Understanding synonyms is important for taxonomy and classification in the scientific community, as it ensures accuracy and consistency in species identification.