The gonads, just 1 200 g tray of urgent gonads like this can cost $100.

性腺，只是1個200克的托盤，這樣的緊急性腺可以花費100美元。

Today.

今天。

The yellow, orange gonads are often served in sushi.

黃色、橙色的生殖器經常被用來做壽司。

Michael Robertson has been diving for urchins for 15 years.

邁克爾-羅伯遜已經為海膽潛水15年了。

Michael looks for abundant kelp forests to help him decide where to dive.

邁克爾尋找豐富的海藻林來幫助他決定在哪裡潛水。

More kelp typically means better quality, urgent and without enough help for the surgeons to feed on.

更多的海帶通常意味著品質更好、更緊急，而且沒有足夠的幫助讓外科醫生進食。

The gonads start to shrivel up if you want to compare how it was to how it is.

如果你想把以前的情況和現在的情況進行比較，性腺就開始萎縮了。

This was solid kelp from here, all the way in and now you have just little pockets here, here and there.

從這裡開始，這是堅實的海帶，一直到這裡，現在你只有一些小口袋，這裡和那裡。

There's a lot more empty urchins than there is Beautiful packed urchins that you want to sell.

空的海膽比你想賣的漂亮包裝的海膽多得多。