#gulper

2024-03-03

#CrittersOfMastodon
Gulper eels, aka Pelican eels, have one of the tiniest skulls of any animal in comparison to the size of their jaw - a result of their adaptation to the deep-sea environment where food is scarce.

Enormous jaws allow them to swallow whatever prey they happen upon in the vast space of the deep sea1. The upper and lower jaw are so big that when its mouth is closed and folded up, it’s almost half the length of its body.

Some of the usual jaw bones are missing & others are loosely attached to the skull. This reduction in skeletal structure, along with reduced musculature, helps the eel better match the density of the water. So Gulper Eels don’t need to use any energy to stay in place, and can save it up for lunging at prey.

nationalgeographic.com/animals

#gulper #skull #prey #pelican

Side view of enormous jaws!Because of the extreme depths at which swallowers and gulpers live, little is known about their behavior. They have thin, ribbonlike larvae that are transparent, or see-through.Gulper Eels, aka Pelican  Eels go by many names, but the most fitting is the Umbrella-Mouth Gulper because of the way their mouths blow up, creating a new that scoops up small fish or squid.

This balloon-like capacity is really beneficial for opportunistic feeders. Without this function, the gulper’s tiny teeth would never be able to do the job alone.

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