Rhinogobius lithopolychroma belongs to the same genus of goby fish and is roughly the ... Orange spots down their body lead to red fins with blue and white edges. Females of the species are ...

The round goby, or Neogobius melanostomu if you're into Latin, is an invasive fish species native to Central Eurasia, including the Black and Caspian seas. How they ended up in a pond and popular ...