amphibisexual 

The orientation of being sexually attracted to fish or other amphibious creatures.

Sebastian was normally not the curious type. But something about the way that bass gazed toward him, mouth agape, made him wonder if he hadn’t been a closeted amphibisexual all this time...

amphibisexual by Holden McGloin February 12, 2021

Amphibiansexual 

noun
a person who has sexual thoughts or feelings about a species classified as an Amphibia.

I think frogs are hot so maybe I am Amphibiansexual.

Amphibiansexual by AtomicTofu May 13, 2022

amphisexualbioquarious 

Sexually attracted to sapiens both on land and in water.

Seamus: Dude, did you hear Charlie had sex with a mermaid?
DaQuan: Yeah bro, she was so pulchritudinous!
Seamus: But I thought he was into humans.
DaQuan: He is. He is amphisexualbioquarious.
Momin: So he's not just gay?
DaQuan: No, he's not amphihomosexualbioquarious!

amphisexualbioquarious by Brandt Creeper March 20, 2019

Amphisexuality 

A sexuality in which someone is only attracted to double-binary people.

Origin: Amphi (Greek Root For Both) + Sexuality

The exclusive attraction to double-binary people is called amphisexuality.

Amphisexuality by Shugunou June 6, 2023