Chancho are from Lake Apoyo in Nicaragua, and a slightly longer snout, and considered a detritivore in nature
Amarillo is from Lake Xiloa, in Nicaragua and has a slightly shorter snout considered a molluscivore specializing on the plethora snails of the lake
Hoga...are from Honduras in the river Chuloteca insect and detritivore
all decenended from a single ancestor, radiating much as certain species in the African rift