To provide a method for feeding Anguilliformes larvae (a method for producing Anguilliformes larvae or Anguilliformes fish) at a high survival rate. A method for feeding Anguilliformes larvae in an environment at a salt concentration of 10-38 ‰ inclusive, wherein: when the period of time from hatching of Anguilliformes eggs to mouth opening of the Anguilliformes larvae is referred to as a first stage and the time period, following the first stage, until the Anguilliformes larvae grow to a full body length of 10 mm is referred to as a second stage, the Anguilliformes larvae are reared in an environment at a salt concentration of 34-36 ‰ inclusive for at least a half of the first stage; and the Anguilliformes larvae are reared in an environment at a salt concentration of 10-28 ‰ inclusive for at least a half of the second stage.[課題]提供一種生存率高的鰻形目魚類仔魚的繁殖方法(鰻形目魚類仔魚或鰻形目魚類的製造方法)。[解決手段] 一種繁殖鰻形目魚類仔魚的方法,在鹽分濃度為10‰以上38‰以下的環境繁殖鰻形目魚類仔魚;在令從鰻形目魚類仔魚孵化至該鰻形目魚類仔魚開嘴為止為第一期且令第一期後該鰻形目魚類仔魚的全長成為10mm為止為第二期的情況,在第一期中至少一半的期間係以鹽分濃度為34‰以上36‰以下的環境飼養該鰻形目魚類仔魚,在第二期中至少一半的期間係以鹽分濃度為10‰以上28‰以下的環境飼養該鰻形目魚類仔魚。