“Yes.”
“They’re made by chromatophores, sacs of pigment granules surrounded by muscles. The chromatophores are under conscious control; Sheena can open or close them as she chooses. The pigments are black, orange, and yellow. The underlying colors, blues and violets, are created by passive cells we call reflecting… Ms. Della, Sheena can control her skin patterns consciously. She can make bands, bars, circles, annuli, dots. She can even animate the display. The mantle skin is like a reverse retina, where neural signals are converted to patches of shade, rather than the other way around.”
“And these patterns are signals?”
“Not just the skin patterns. A given signal seems to be made up of a number of components: the patterns; skin texture — rough or smooth; posture — the attitude of the limbs, head, body, fins; and locomotor components — whether Sheena is resting, jetting, hovering, grabbing, ink jetting. There may be electric or sonic components too; we can’t be sure.”
The diver growled, “Ms. Della, we’ve barely scratched the surface with these animals. Not to mention their deep-water cousins. Until the last few decades all we did was lower nets and see what we could catch. We used to say it was like trying to understand the animals of the land by working with a butterfly net from a balloon in the clouds.”
“And what do they use this marvelous signaling for?” Maura asked.
Dan sighed. “Again we aren’t sure. They don’t hunt cooperatively. They forage alone by night, and shoal by day. The shoaling seems to be to provide protection while they rest. The squid don’t hide on the bottom like octopuses; they shoal over sea grass beds where there are few predators. They have elaborate courtship rituals. And the young seem to learn from the old. They post sentinels. Very effectively, too; though they may have six or seven predator encounters per hour — with yellow jacks and mutton snappers, barracuda and houndfish, coming at them from anywhere — the squid kill rate is very low.
“But a squid shoal is not a community like ours. They don’t play or groom. There are no leaders among them. The squid don’t show much loyalty to each other; they don’t care for their young, and individuals move between shoals every few days.
“And they live only a couple of years, mating only once or twice. The squid live fast and die young; it’s not clear to us why such short-lived animals need such complex behavior, communication systems, and breeding rituals. Yet they have them. Ms. Della, these are not like the animals you may be familiar with. Perhaps they are more like birds.”
“And you claim that these communication systems are actually a language.”
Dan scratched his beard. “We’ve been able to isolate a number of primal linguistic components that combine in a primitive grammar. Even in unenhanced squid. But the language seems to be closed. It’s about nothing but food, sex, and danger, as far as we can see. It’s like the dance of the bee.”
“Unlike human languages.”
“Yes. What we have done is open up the language of the squid. We built on the basic patterns and grammar the squid already employ. The number of signals Sheena can produce is not unlimited, of course, but even unenhanced squid have a very wide ‘vocabulary,’ taking into account the range of intensity, duration, and so forth they can employ. We think they express, for example, moods and intentions with these factors. And some of this stuff is extremely ancient. Some of the simpler signals — the deimatic displays designed to drive off predators, for example — can be observed among the octopuses. And the squid diverged from them back in the early Mesozoic, some two hundred million years ago. Anyhow, building on this, we believe Sheena — or at any rate her descendants — should be able to express an infinite number of messages. Just as you or 1 can, Ms. Della. Squid are clever molluscs. Giving them language was easy’’
“How do you train them?”
“With positive reinforcement. Mostly.”
“Mostly?”
He sighed. “I know what you’re asking. Yes, cephalopods can feel pain. They have free nerve endings in the skin. We use low-voltage electric currents to deliver mild shocks during discrimination training. They react as if — well, as you would if I touched you with a stinging nettle. It’s no big deal. Ms. Della, I hope you aren’t going to get hung up on this. I cherish Sheena — above and beyond her mission. I wouldn’t damage her. I have no interest in hurting her.”
Studying him, she realized she believed him. But she sensed a certain lack in him, a lack of a moral center. Perhaps that was a prerequisite in any sentient creature who would inflict pain on another.
Dan was still talking. “Designing the Sheena series of enhancements, we were able to prove that the areas of the brain responsible for learning are the vertical and superior frontal lobes that lie above the esophagus.”
“How did you prove that?”
Dan blinked. “By cutting away parts of squid brains.”
Maura sighed. Here we go again. Memo, she thought. Do not let Igor here repeat this Nazi doctor stuff in front of the cameras.
She felt uneasy on a deeper level, too. Here was Dan Ystebo hijacking the squid’s evidently remarkable communications senses for his own purposes: for capturing banal commands transmitted by humans. But Dan had admitted he didn’t know what all this rich speech was really^cr What if we are damaging Sheena, Maura thought, by excluding her from the songs of her shoals?
Does a squid have a soul?
They studied Sheena. That head was crowned by a beak surrounded by flipperlike arms, and two forward-looking eyes, blue-green rimmed with orange, peered briefly into the camera.
Alien eyes. Intelligent.
How did it feel, to be Sheena?
And could Sheena possibly understand that humans — Reid Malenfant and his associates, in fact — were planning to have her fly a rocket ship to an asteroid?
The squid school on the softscreen seemed to be hunting now. They were moving in formation around an unmanned camera buoy. The images were spectacular, Jacques Cousteau stuff.
“They swim awful fast,” she said.
“They’re not swimming,” Dan said patiently. “When they swim, they use their fins. Right now they are squirting water out of vents. Jet propulsion.”
“You understand why I’m here. Malenfant is asking me to go to bat for you on the Hill Monday. I have to put my reputation on the line, to enable this project.”
“I know that.”
“Tell me this, Dr. Ystebo. You’re sure, absolutely sure, this is going to work?”
“Absolutely.” He spoke with a calm conviction. “Ms. Della, you have to see the power of Malenfant’s conception. I’m convinced Sheena will be able to function in space and at the NEO. She is smart, obviously adapted to gravity-free conditions — there’ll be no calcium depletion or body fluid redistribution or any of that crap for her — almost as if she has evolved for the conditions of space travel, as we self-evidently haven’t. And she can manipulate her environment. We have a variety of waldo-driven instruments which will enable her to carry out her functions on
theNEO.”
“I’m told the squid are social creatures. And they’re very mobile, obviously. Whereas Sheena will be alone, in the can we’re going to cram her into—”
“She’ll have a lot of facilities, Ms. Della. Including comms, of course. We’ll do everything we can to keep her functioning.”