schools of unusual fish from the genus Monopterus, whose members have no fin but their tail. I recognized the Javanese eel, a genuine eight-decimeter serpent with a bluish gray belly, which, without the gold lines over its flanks, could easily be confused with the conger eel. From the butterfish genus, whose oval bodies are very flat, I observed several adorned in brilliant colors and sporting a dorsal fin like a sickle,
schools of unusual fish from the genus Monopterus, whose members have no fin but their tail. I recognized the Javanese eel, a genuine eight-decimeter serpent with a bluish gray belly, which, without the gold lines over its flanks, could easily be confused with the conger eel. From the butterfish genus, whose oval bodies are very flat, I observed several adorned in brilliant colors and sporting a dorsal fin like a sickle,
