Creatures are a Game System in Petit Planet.
Creatures are collectibles that can be found across a Planet Tender's Planette.
They are divided into 3 types, being Aquatic Creatures, Land Creaturess, and Shore-Dwellers, with each one requiring a different Tool to catch.
All available creatures are then further sub-divided into Qualities:
Creatures also have a size-range, which is species-specific. Upon a successful capture of a creature, depending on the size that was caught, the creature will be given a Star Rating:
Both the Quality and Star-Rating affect the sale-price of the creature at Shops such as Glenn's Goods.
On top of the above, certain creatures may be exclusive to certain Galaxies, or may only be found while on a Starsea Voyage on certain Islets. Furthermore, some creatures may only appear at a specific time of day, or during specific weather.
Upon capturing a creature for the first time, its details will then be displayed in the MomentFolio. It can then be offered to Mors at the Omni-Gallery, which will put that creature on display in its allotted zone, and will also unlock its Omnipedia entry in the MomentFolio.
Aquatic Creatures are caught with the 
Fishing Rod.
They are divided into Freshwater Fish, and Saltwater Fish, with the former appearing in inland Rivers and Lakes, while the latter appear in the Coastal Waters of a Planette or Islet.
Unlike both Insects and Shore-Dwellers, which can be seen as their specific 3D models, Fish are instead shown as silhouettes, with each silhouette-type corresponding to a size-range of fish.
All Freshwater Fish and Gray-quality Saltwater Fish have the same capture method, whereby they will nibble a couple of times on the Fishing Rod line, then will bite-down and can be caught straight away. Purple or Gold quality Saltwater Fish will instead nibble a few times, then after biting down, will need to be reeled in slowly, while making sure that the line does not snap.
Land Creatures are caught with the 
Insect Net.
Although they are divided into types based on their species, most insects can be found all over a Planette or Islet, outside of the beach and Intertidal Zone, with spawn locations being shared amongst various types.
The type of an insect acts more as an indicator of how they move around, or what time of day they might be found at, rather than them having a specific capture mechanic or specific location, because unlike Fish or Shore-Dwellers, which do have varying capture mechanics, most insects can be approached in any way and caught with a simple swipe of the Insect Net, although some might be easier to capture when approached slowly.
Shore-Dwellers are caught with the 
Shellfish Tongs.
Unlike Insects and Fish, which can be found in multiple places across a Planette or Islet, Shore-Dwellers are solely found along the beach in the shallows of the Intertidal Zone.
They are divided into multiple types, based on the species of the creature, with each type having a specific capture type:
