The Borg use a system of species designations to identify various species and cultures they have encountered.
- Species 116 (VOY: "Hope and Fear")
- Species 125 (VOY: "Dark Frontier")
- Species 149 (VOY: "Mortal Coil")
- Species 180: Ferengi (VOY: "Infinite Regress")
- Species 218: Talaxians (VOY: "Mortal Coil")
- Species 259 (VOY: "The Gift")
- Species 262 (VOY: "The Omega Directive")
- Species 263 (VOY: "The Omega Directive")
- Species 312 (VOY: "Natural Law")
- Species 329: Kazon (VOY: "Mortal Coil", "Relativity")
- Species 521: Shivolians (VOY: "Survival Instinct")
- Species 571 (VOY: "Survival Instinct")
- Species 689: Norcadians (VOY: "Ashes to Ashes")
- Species 2461: Brunali (VOY: "Child's Play")
- Species 3259: Vulcans (VOY: "The Raven")
- Species 4228: Hazari (VOY: "Think Tank")
- Species 5174 (VOY: "Hunters")
- Species 5618: Humans (VOY: "Dark Frontier")
- Species 5973 (VOY: "The Haunting of Deck Twelve")
- Species 6291: Yridians (VOY: "Equinox")
- Species 6339 (VOY: "Infinite Regress")
- Species 6961: Ktarians (VOY: "Dark Frontier")
- Species 8472 (VOY: "Scorpion", "Scorpion, Part II", "Prey", "In the Flesh")
- Species 10026 (VOY: "Dark Frontier")
Appendices
Background
It is not explicitly stated how these designations are assigned, though it is generally assumed that they are simply incremental, each newly encountered species getting a number one higher than the previous. This mostly holds up when comparing numbers to probable first contact dates or vicinity to Borg space, though some anomalies exist, most notably the Alpha Quadrant species Ferengi having an unusual low number of 180. Numbers appear to be assigned at first contact, and don't seem to be recycled even after the whole species is assimilated.
An alternate theory is that the numbers categorize species, where 1xxx is one type of species and 2xxx is another and so on.
Apocrypha
In Christie Golden's Seven of Nine novel, several more designations were listed:
- Species 407: Lennli
- Species 1811
- Species 2822
- Species 3105: Rhawn
- Species 4774: Skedan
In Star Trek Armada, a Species 9341 was mentioned.
According to a screen saver released featuring pictures of the Star Trek: Voyager crew and Borg screen displays and lists three further species:
- Species 2000: Cardassians
- Species 3783: Romulans
- Species 5008: Klingons
In Star Trek: Voyager - Elite Force, Seven of Nine mentions Species 1567, which was engaged in a long range war. They used automated gunships called dreadnoughts in order to defeat their enemy. One of them was transported to the "Forge" where a mission took place in the game.