You left him in when the fry become fry swimming?...Usually the male is removed when the fry become free swimming.
If he has eaten most of the fry, I remove him and see if there's left. Then maybe you can raise these few in another tank or net breeder.
If he has eaten most of the fry, I remove him and see if there's left. Then maybe you can raise these few in another tank or net breeder.