Question: What is the capital city of this Central American isthmus, to which the species of crab Aratus pisonii is native, bordering with Costa Rica?
Sentence (from "Aratus pisonii"): Aratus pisonii, commonly known as the mangrove tree crab, is a species of crab which lives in mangrove trees in tropical and subtropical parts of the Americas, from Florida to Brazil on the Atlantic coast, and from Nicaragua to Peru on the Pacific coast.
Relevant evidence: Yes