The tail of the Muraecuda from Killer Species: Feeding Frenzy.
Biology (This is all from the book that i read through as we speak OK.)
Specially Altered Barracudas Name: Muraecuda
Gene-Splicing and D.N.A. Sequencing Animals (Barracuda, Moray Eel, and Reef Shark)
D.N.A. Explanation: (Barracuda: Fed on fish that congregate on or near reefs) (Moray Eel: Made they're nests among the nooks and crannies of the coral) (Reef Shark: Able to sit still upon the ocean floor waiting for prey to swim into its territory)
Size: Each was 10 feet or 12 feet long.
Purpose: To eat all the Lionfish in the coral reef of Florida.
Appearance: They had a blunt face and a long snake-like-body, and they're gills are like Morays. They have bluish-gray scales.
Teeth: They had elongated mouths, row upon row of sharp teeth long and pointed as nails, they stuck out at an odd angle, and they have dozen of spear shaped teeth. They're teeth were the size of knitting needles. The teeth juts out when the creatures jaws opened and protruded when they're jaws closed. Similar to the Reef Shark.
Bite: It feels like Lightning, Excruciating, and Searing Fire.
They had a thunderous bite, when they bite they're prey, they will yank harder on it, and bite down with more force. The teeth were like shards of broken glass, slicing into flesh. They are strong enough to tear a limb by angrily shaking and writhing. They are even capable to crush a man's hand off.
Movement: They would writhed and thrashed in the shallow water & lung and slither, almost like a Snake. They were fast and flexible, they are capable to launch themselves above at prey.
When they're on land Muraecudas bodies goes berserk, they start snapping they're jaws trying to reach for their prey by flopping on land.
They can ram at underwater windows, but they are not strong to break it.
Hunting Behavior: When they get the scent of blood, they will circle around their prey.
They are capable to eat a hundred Lionfish that inhabited a signal reef in minutes.
They can be attracted to Noise and Light.
They are nocturnal night feeders.
Behavior: Aggressive. They were made to fight and feed.
School Numbers: Muraecuda swarm in a school of 6 or more packs.
Habitat: They lived in saltwater.
They can be teach to their primitive brain to eat Lionfish.
Baby Muraecuda:
Requires fewer hormones to accelerate they're growth, they achieve full size and length in a matter of weeks with growth hormones.
Size: its unknown what they're size could be, it could be 6 inches when hatched, just like the Pterogators.