What fish eggs are there in the blessing bag?

The ingredients of the fish roe bag are as follows:

The fish roe bag contains Basha fish, shrimp, carrot, onion, ginger and fish roe. The caviar can be spring caviar or ready-made caviar sold in the market. This is a common family practice, and fillings can be prepared according to personal taste.

The outer layer of the fish roe bag is tofu skin, and the inside is generally made of fish roe and other materials, which tastes q-elastic.