Two fish that have no true bones or jaws include the lamprey and _____________ .?

Answer 1

Hagfish ... extra heavy on the mucus secretions to boot

Answer 2

hagfish

Wiki on Agnatha:
There are two extant groups of jawless fish (sometimes called cyclostomes), the lampreys and the hagfish, with about 100 species between them. In addition to the absence of jaws, Agnatha are characterised by absence of paired fins; the presence of a notochord both in larvae and adults; and seven or more paired gill pouches.

Answer 3

The hagfish