What anatomical feature characterizes lampreys and sets them apart from most other fish?
Answer
A rasping, sucking oral disc
Lampreys lack hinged jaws, instead possessing a specialized oral disc lined with horny teeth that they use to bore into hosts for feeding.
Related Questions
What scientific order does the common term "lamprey" broadly denote?What does the specific epithet *marinus* in the Sea Lamprey's scientific name, *Petromyzon marinus*, mean?What anatomical feature characterizes lampreys and sets them apart from most other fish?What name is given to the larval stage of the lamprey that spends years filter-feeding in sediment?What specific chemical toxicant is mentioned as being used to control Sea Lamprey populations in management programs?In which geographic area is the Sea Lamprey (*Petromyzon marinus*) listed as a species of concern due to declining numbers?Lampreys are classified in the class Cephalaspidomorphi, which distinguishes them from true bony fish belonging to what classification?How were Sea Lampreys likely introduced to the Great Lakes environment?What is the historical culinary significance of lampreys in regions like France and Portugal?What does the genus name *Petromyzon* roughly translate to, reflecting a key feature of the creature?