E X P E R T E C E on Instagram: "The post shows a short video of a live sea cucumber being cut open on a tropical beach, ejecting white defensive tubules, with the caption questioning its edibility and species amid 4.8 million views and 445 replies. Sea cucumbers, like the one depicted (likely Holothuroidea class), are nutritious marine echinoderms valued in Asian cuisine for protein and collagen, but raw handling risks irritation from holothurin toxin, per a 2018 peer-reviewed study in Marine D