You can breathe air and water, and you gain a swim speed equal to your walking speed.

Antrahul get a +2 to Wisdom and Auran’s gain a +1 ability score increase to CON.

Antrahul age and mature at the same rate as humans and live
Roughly the same lifespan as most humans, that being 55-80 years.

Typically Antrahul have a wide variety of heights and sizes, you may choose to be small or medium sized.

You can speak, read and write Common, Antrarian 

& one more language of your choice.

Antrahul have a natural affinity when communicating with beasts, giving them proficiency in animal handling, if they have proficiency in animal handling already, they gain expertise instead. At third level Antrahul can communicate simple ideas to beasts and animals of all types. (You may need to manually give yourself Expertise due to limitations of Dnd beyond, in that case give yourself the feat or change it in the settings to read correctly.)

Antrahul being humanoid-beast hybrids often have access to magically wild shape into an animal of their choosing, this wild shape feature is treated like the [Summon Beast] Spell, however the level of said spell is decided by the player’s overall level.

Your max HP is shared between forms and you cannot access your class features while in this form.
Level 3 [2nd level]
Level 5 [3rd level]
Level 7 [4th level]

Level 9 [5th level]
Level 11 [6th level]
Level 13 [7th level]
Level 15 [8th level]
Level 17 [9th level]

Which shape you manifest depends entirely on your lineage.

-If you are a Terran, you may shape into a Beast of the Land.

-If you are an Aquan, you may shift into a Beast of the Ocean.

-If you are an Auran, you may shift into a Beast of the Sky.

This wild shape lasts until the form runs out of HP or if the player dispels this form and it is its own feature separate from any druid wild shape features and does not stack with them.

One use per long rest.

Each Antrahul has their own set of abilities due to their heritage or due to a mutation.
You get to choose one at 3rd level and a second one at 8th level.

As an Aquan, you have advantage on all active perception checks.

As an Aquan, you have the ability to, as an action, produce a dim light that radiates 20 feet from your own body.

As an Aquan, you have the ability to to instantly flash a bright light in a 30 foot cone in front of yourself, all creatures not behind at least half cover must succeed a CON saving throw or be blinded until the end of your next turn. The DC of your Bioluminescent Flash is 8 + Proficiency Bonus + your Constitution modifier, this ability may be used once per long rest.