Pet Battle: [1-2] Tirisfal Glades; [1-2] Dun Morogh; [1-2] Undercity; [3-6] Ghostlands; [4-6] Ashenvale; [6-7] Hillsbrad Foothills; [11-12] The Hinterlands; [20-22] Howling Fjord
100% Hit Chance
Chomps on the enemy, dealing 303.38 to 563.42 Critter damage.
Deals 236 Undead damage.
The user is healed for 100% of the damage dealt.
100% Hit Chance
Spits Poison goo onto the target, dealing 98 Critter damage each round and increasing damage taken by 25% for 3 rounds.
Flings a sticky goo at the target, dealing 197 Elemental damage and making it impossible to flee for 5 rounds.
Instantly deals 295 Beast damage and increases your speed by 100% for 1 round.
Burrow under the ground, becoming unattackable for one round.
On the next round, you attack, dealing 472.8 to 709.2 Beast damage.
Beasts deal 25% extra damage below half health.
50% from Mechanical abilities
33% from Humanoids abilities
In the Howling Fjord, in Halgrind (check the 'Location' map) they spawn in 3 different spots around the little pond. They spawn in groups of ~4-6 and it doesn't take long for them to respawn once they've been cleared, maybe a minute or two. They can spawn as critters or battle pets so just wipe the critter group with aoe. Didn't take long to get a rare and it's at least level 19 when you capture it.
First one I found was a rare @ 4:30pm realm. 21.73, 38.46
Demon Fall Canyon in Ashenvale is a very good place for Maggots. They re-spawn quickly and I got my rare after about 45 minutes as a primary when battled.
Fire Scar Shrine in Ashenvale has a ton of these guys.
They are also found in Undercity among the rats and roaches.
Was found with a forest moth.