Locales in the hobby you may have heard of:
Rio cabuya
Rio piedras/bagaces
Rio tempisque
Rio lagarto
Cabuya:
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All the locales in and around the nicoya peninsula look like this, large and fast growing, bulky yellow males with purple or orange fins, slate grey females with iridescent dots on their bellies instead of blotches. Depending on the locale, females can either have orange bellies and blue/green fins like most convicts or gold bellies and yellow/dark blue fins, as seen in the ones from cabuya or piedras/bagaces.