進食解釋:
https://youtu.be/jMoH21YjINE
To eat, the echinoderm ejects its stomach from its own body — placing it over the digestible parts of its prey, typically a mussel or clam. The stomach then partially digests what it can, producing a chowder-like slurry that is then drawn back into the starfishes’ ten digestive glands.~
Can You Stomach This? Starfish Feeding Secrets Revealed
其實海星有兩個胃,一個可以喺個口到射出,在體外包裹同消化嘢食。
簡單而言,佢會用觸手將個(花蛤/蠔)殼拉開,去到一個位可以將佢個胃放入去
咁佢就可以進食㗎喇
第二個胃就係身體入面,消化第一個位胃送入嚟嘅食物