[l4yao]

These purple urchin are a lot smaller than the commonly harvested red urchin, resulting in less uni. Even the urchin are starving due to overpopulation and loss of kelp.

[thaumasiotes]

"Starving due to overpopulation" can't explain the scarcity of whatever it is. It is the opposite of scarcity.

[Supermancho]

I dont think so. You can have populations that reach breeding age, overpopulate and starve. Especially where food sources are seasonal.