Because of that, the paper refers to the fish they recorded as Hydrolagus cf.trolli, rather than its scientific name, Hydrolagus trolli. To be absolutely sure, researchers would have to capture ...

Whatever the reason for its elusiveness, the ghost shark—technically known as Hydrolagus cf. trolli—has rarely been spotted since it was first discovered swimming in the vicinity of Australia ...

On to my first post. A new species of fish has been named from specimens collected over the last several decades off the coast of California called Hydrolagus melanophasma, and will go by the ...