Kaligono

The Kaligono, as described in your request, seems to be an abstract or possibly an incorrectly referenced organism, as there is no well-documented or widely recognized species by this name within the realm of aquatic life or ichthyology as of my last update in April 2023. Without accurate or specific details, generating an accurate summary on the color, origin, appearance, or popularity within hobbyist communities is not feasible. If the Kaligono refers to a particular fish under a more commonly used name or if it's a creation from a niche or emerging interest, I recommend consulting specialized databases, forums, or publications for the most precise and updated information.