Whispering Fishes: What are they whispering about?

Today's Video:

Excellent puzzle from Evan's debut on the channel. Approachable but involved puzzle, excellent for midweek enjoyment!

Link to Play:

Whispering Fishes by Evan https://link.sudoku-sleuth.com/WhisperingFishes

Rules:

Normal sudoku rules apply.

German 𝐰𝐡𝐢𝐬𝐩𝐞𝐫 line: Two cells connected by a green line must have a difference of at least 5.

Dutch 𝐰𝐡𝐢𝐬𝐩𝐞𝐫 line: Two cells connected by an orange line must have a difference of at least 4.

Killer cages: Digits in a cage must sum to the number in the top-left corner of that cage and cannot repeat.

Black/White dots: Cells separated by a black dot must have digits in a 1:2 ratio. Cells separated by a white dot must have consecutive digits. Not all dots are given.