There are 7 bestiary entries on Belsavis. Six are required for the Beastmaster of Belsavis achievement.
An Acklay codex entry location obtained from a Tamed Acklay Ravager.
Codex type: Bestiary
Codex location: Belsavis: High Security Section
Codex coordinates: -337, 542
Faction: Both
Class: Bounty Hunter - Imperial Agent - Jedi Consular - Jedi Knight - Sith Inquisitor - Sith Warrior - Smuggler - Trooper
Associated Achievement: Beastmaster of Belsavis
A Baspoor codex entry proximity location.
Codex type: Bestiary
Codex location: Belsavis: Minimum Security Section
Codex coordinates: 502, 897
Faction: Both
Class: Bounty Hunter - Imperial Agent - Jedi Consular - Jedi Knight - Sith Inquisitor - Sith Warrior - Smuggler - Trooper
Associated Achievement: Beastmaster of Belsavis
A Bogwing codex entry location obtained from a Young Bogwing.
Codex type: Bestiary
Codex location: Belsavis: Minimum Security Section
Codex coordinates: 1403, 1502
Faction: Both
Class: Bounty Hunter - Imperial Agent - Jedi Consular - Jedi Knight - Sith Inquisitor - Sith Warrior - Smuggler - Trooper
Complete List of Codex Providers
Belsavis Bogwing | Fledgling Bogwing | Released Bogwing Hatchling | Released Bogwing Raker | Released Bogwing Swooper
Swift Bogwing | Tamed Bogwing | Tamed Bogwing Hunter | Wild Belsavis Bogwing | Young Bogwing
A Kintan Crusher codex entry location obtained from a Released Kintan Ancient.
Codex type: Bestiary
Codex location: Belsavis: The Tomb
Codex coordinates: -696, -1842
Faction: Both
Class: Bounty Hunter - Imperial Agent - Jedi Consular - Jedi Knight - Sith Inquisitor - Sith Warrior - Smuggler - Trooper
Associated Achievement: Beastmaster of Belsavis
A Lurker codex entry location obtained from a Rift Lurker.
Codex type: Bestiary
Codex location: Belsavis: Minimum Security District
Codex coordinates: 1380, 1604
Faction: Both
Class: Bounty Hunter - Imperial Agent - Jedi Consular - Jedi Knight - Sith Inquisitor - Sith Warrior - Smuggler - Trooper
Associated Achievement: Beastmaster of Belsavis
A Rancor codex entry location obtained from a Released Rancor.
Codex type: Bestiary
Codex location: Belsavis: High Security District
Codex coordinates: -978, 1503
Faction: Both
Class: Bounty Hunter - Imperial Agent - Jedi Consular - Jedi Knight - Sith Inquisitor - Sith Warrior - Smuggler - Trooper
Associated Achievement: Beastmaster of Belsavis
A Varactyl codex entry location obtained from a Voracious Belsavis Varactyl.
Codex type: Bestiary
Codex location: Belsavis: High Security District
Codex coordinates: -183, 538
Faction: Both
Class: Bounty Hunter - Imperial Agent - Jedi Consular - Jedi Knight - Sith Inquisitor - Sith Warrior - Smuggler - Trooper
Associated Achievement: Beastmaster of Belsavis