Shriek

• None

• Unknown

• Non-humanoid

• Unknown

• Unknown

• Greenish blue skin
• Small lifeforms
• Fly
• Arms, wings, a tail, but no legs
• Sharp teeth
• Emit a high screech noise right before opening their fissures
• Stored a great deal of Nucleogenic energy, enough to power a starship

• Survived in our dimension for a brief time;
• If they stayed too long, they would die

• Skin contact with hominoid lifeforms causes a lethal thermolytic reaction

• Extra-dimensional realm

• Called "spirits of good fortune" by the Ankari

• 2376: Made first contact with the Federation via the USS Equinox;
• Starfleet discovered that their remains could enhance their speed;
• Continued summoning & killing them to power their warp drive
• Fought back, severely damaged the ship & killed many crew members