Key to species of Asterorhombus in Taiwan

1A. Body depth more than half of SL; first dorsal-fin ray with fin membrane only at distal part; interorbital width in males wider than in females when> 60 mm SL.................................................... Asterorhombus cocosensis

1B. Body depth less than half of SL; first dorsal-fin ray with fin membrane from base to tip; no sexual dimorphism in interorbital width in all stages................................................................ Asterorhombus intermedius