prabhura — of Śrī Caitanya Mahāprabhu; ei — these; jala-krīḍā — activities in the water; dāsa-vṛndāvana — Vṛndāvana dāsa Ṭhākura; caitanya-maṅgale — in his book Caitanya-maṅgala, now known as Caitanya-bhāgavata; vistāri’ — describing in detail; kariyāchena varṇana — has narrated.