Here are a few videos I took in the Yucatan on the Riviera Maya just off the main highway between Puerta Aventuras, and Tulum.
Ist Cenote Azul, with Mayaheros uropthalmus
2nd Cenote Cristalino, with Rocio
3rd Cenote Aktun Ha (AKA Carwash) with Parachromis freidrichsthali and feral Tilapines