Task: Text Categorization
Input (English): Context: Petroscirtes lupus the Wolf fangbelly is a species of combtooth blenny found in coral reefs in the western Pacific ocean. This species reaches a length of 13 centimetres (5.1 in) TL.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)Plant, 3)Artist, 4)OfficeHolder, 5)EducationalInstitution
Output (English): 1