Iodrome is a Raptorial Bird Wyvern and the alpha of the Ioprey. They are significantly larger than normal Ioprey and possess larger crests. They travel with their pack for protection. When threatened, Iodromes spit Poison from the poison sac in their throat. Unlike other 'dromes, Iodromes have a more amphibian look, with salamander-like skin that needs moisture, and frog-like throat sacs. They are mostly seen in the swamp and volcano zones.
Being the strongest of the Dromes outside of Frontier. Iodromes are a good challenge for beginning hunters. Although not as strong as Flying Wyverns, they can quickly cripple hunters with the power of numbers and poison. Iodromes are a threat to new hunters because of their speed, agility and considerable strength and poison.
On Monster Hunter Frontier Online Iodrome can be a pet.
On Monster Hunter Frontier Online HR100 Iodrome's have been seen travel in pairs following each other closely
On Monster Hunter Frontier Online Iodrome is not the strongest of the dromes as its power is low in comparison to HC Velocidrome the strongest of all preys.
In Monster Hunter Frontier G3 G rank Iodrome gains 2 new attacks and a improved power bite that makes a snapping sound with poison each bite and a improved poison spit that after the spit touch's the ground it leaves a puddle of poison that eventually fades away. New attacks are a high speed charge and a jump in air and spit > land and uppercut combo that launches hunters.
Iodrome can now enter rage, be carved 3 times and limp when weakened.
Now when Iodrome does his Poison spit attack, it leaves a pool of poison on the ground for a short time.
It can now call on Ioprey during battle, whereas in previous games it could not.
It can become infected by Goa Magara's Feral Wyvern Virus.
In a video, Iodrome is seen commanding a pack of Ioprey to attack a Zinogre and almost succeed, but Zinogre succumbs to the virus and nearly kills the Iodrome, who is killed and devoured by his own pack infected by the virus.