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Based on the training materials I'd seen, and my own toddler-memory of being taken to look at the enormous floating mats of vegetation, I'd say the trouble was yotta-nasty.
The hykariba (as it came to be called) doubled its numbers every two days, individual plants breaking off from their clonal parents and drifting off to colonize virgin territory. Coalescing in enormous floating rafts two meters thick in some places, the hykariba soon blanketed the entire GLB. The plants impeded shipping, clogged the intake pipes of industrial and drinking-water plants, and contributed to flooding by displacing watermass. As the oldest of the shortlife plants began to decay, they used up available oxygen, axphyxiating fish and phytoplankton. The stench from the big finny kills was incredible. As a last insult-result, the mats were excellent breeding grounds for mosquitos.
It took bioremediation forces from across the whole Union to null the invader. Before they succeeded, the genetically identical mass of plants grew to form the largest single organism in the history of the world.
One of the weapons in the fight had been the Eaters.
Hastily but deftly morrowed out of nutria, manatee, and, of course, human germlines (which is what always got the rifkins so upset), the hykariba-hungry Eaters-otherwise known as mantrias, nutratees, or coypu-cows-were introduced into the devastated ecosystem as fast as they could be turned out by Invitrogen and Prizm, Biocine and Catalytica.
Once the crisis was over the Eaters remained, first line in the GLB's defense against future intruders. They patrolled
and roamed in the waters they called home. Restrained by diet leashes, they always returned to their beaches. Where they were met by a Feeder such as yours truly, who pampered his charges with applause unduly.
"How do you get them to come?" Charmaine asked with what I hoped was unfeigned interest.
"Like this."
I took the poqetpal out and tapped in my private code. Then I stuck the unit underwater, where it began to broadcast its ultrasonic call.
Within minutes, the first Eater arrived.
Big Eater.
Head of the colony, Big Eater was larger by half than any other nutratee and twice as smart. Befitting his leader's rank, the head bull was the only one in the colony who had the speech feach.
Gushing up out of the water like a furry brown torpedo, Big Eater sprayed us in his usual greeting, and Charmaine squealed. Gripping the jetty with his crafty paws, he left the bulk of his body still underwater. Rivulets ran from his coypu-cow muzzle, off ears and jowls that were part of his special gene-puzzle.
Big Eater smiled. "Cor-by.
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