Pachycara crassiceps was first formally described as Lycenchelys crassiceps by the French zoologist Louis Roule with its type locality given as the Gulf of Gascony. The Meer weergeven

Pachycara crassiceps is found in the eastern Atlantic Ocean where it has been recorded off southwest Ireland, in the Bay of Biscay Meer weergeven

Pachycara crassiceps has a moderately elongate body which has a depth at the origin of the anal fin equivalent to between 11% and 14% … Meer weergeven

Pachycara crassiceps eats sipunculid worms and polychaetes. It is parasitised by Echinorhynchus brayi worms. Meer weergeven