Perhaps, but the actual translation of the sentence as given is Which species of animal is it. If you used kia it may be more appropriate to leave the word speco out.
Good question, though.
Speco just means 'kind'. So while the name of a particular species would be an appropriate answer to this question, so would something more vague. For instance, you could certainly reply 'it's a gorilla', but you could also say 'it's some kind of primate', or 'it's a mammal', etc.
The word for 'species' is specio. (And the i in that word is not an affix, it's just part of the root.)