Most fish fossils are:
A. preserved in amber
B. older than mammal fossils
C. only found at the bottom of the ocean
D. from sharks, eels, and stingrays

Most fish fossils are: D. from sharks, eels, and stingrays.

Explanation:

A fossil is a preserved part or trace of a living being in the geological age. Animals, fish, bones and shells are some of the fossils. Fish fossils are the dead fish that are found under the river bed or ocean.

The dead animals in the water bodies are buried under the mud for long period of time. The soft tissues of the animals are decomposed leaving the dry bones.

There are five different types of fossils. They are  

i)Body fossils

ii)Molds and casts

iii)Petrification fossils

iv)Footprints and trackways

v)Coprolites

One of the common fossils is shark tooth. The tooth of the sharks is shed continuously. The fish fossils are found at the bottom of the ocean, lake and pond deposits.

your answer would be fusion