Cilhi

A shoaling fish native to Uycheon III, cilhi are small marine fish that generate electrical energy and secrete a highly conductive oil which they use to resist the effects of the extreme cold common to their native climes, and weaponize against prey, injecting a small amount of the oil with a bite before zapping the victim with an enhanced electrical discharge. A single bite may simply deliver a nasty sting, but when an entire school hunts the same target, the discharge can be enough to instantly cook flesh.

If extracted (a dangerous practice in itself), cilhi oil can be used as a drug; when administered via subdermal needles to slowly release into subcutaneous fat, reacts with wetwiring, implants and nearby EM static to cause a jittery, tactile sensation throughout the body, as well as alternating waves of relaxation and sudden energy.