Question

How do lampreys and hagfish feed?

Answer 1

Lampreys and hagfishes are unordinary, jawless fish that include the requests Myxiniformes (hagfishes) and Petromyzontiformes (lampreys). There are around 40 types of lampreys and roughly 35 types of hagfishes and sludge witches. Lampreys and hagfishes come up short on the scales regular of most fish, and are covered with a foul mucous.

Complete answer:
Hagfishes and lampreys are accepted to frame a monophyletic bunch called the cyclostomes ("circle mouths''). Individuals from this gathering of fishes produce an unnecessary measure of bodily fluid as a protective measure. While they are practically visually impaired, they have four sets of appendages around their mouths that are utilized to identify food.
These fish have no jaws, so all things being equal have a tongue-like structure that has spikes on it to destroy dead creatures and to catch their prey. Witch fish is for the most part parasitic, known to exhaust inside huge bodied warm blooded creatures (when harmed/passing on) or fishes and eat up them from inside.
The essential and most loved dish of hagfish and lamprey is polychaete worms. The Pacific hagfish is otherwise called the ooze eel. The hagfish can integrate itself with a bunch. Hagfish eat worms and spineless creatures, yet they additionally enter both kicking the bucket and dead fish and eat them from the back to front.

Note: The improvement of lamprey is circuitous with the development of hatchling. They have 20 cranial nerves and 14 gill cuts. The hagfish shows the immediate improvement without the arrangement of hatchling. They have 16 cranial nerves and 2 gill cuts. The salivary organs discharge an anticoagulant in lamprey and they eliminate the fragile living creature and suck the blood of fishes. The witch fish has no salivary organs and fundamentally goes about as a scrounger on dead fishes.