Possibly the most useful creature to go caving with as his small size but large health and damage allows him to withstand onycs,spiders and scorpions haven't encountered a arthurplura yet so not sure how effective he is against it
If you lost your Dino, just request them on mobile. If you play the pc version, you can use the so called ark-tools. If you type that into your favourite search engine you also might stumble across a version with GUI. If you really want to get your beloved pet back - that is the way to go.
On Xbox, left tab throws you (It's like a spear, the longer you hold down the harder it throws, but there is a max), the other special attack, what you would use for crouching, is what you use to pick up only fiber, and regular attack only picks up berries. It can sprint, swim fast, and jump. Best of all it can wear hats. I equipped my hat with a cowboy hat skin, and it looks hilarious.