I had a starfish in my ex’s marine fish tank,
In the middle of the ‘star’ there is a hole, and through this comes out their stomach which looks like a broken down see through leaf.
They then wrap it around whatever has got their taste buds flowing, and pull back inside...
This takes hours/ a day. It is rather fascinating to see |
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By (user no longer on site)
over a year ago
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Palaeobiologist here: false
Starfish (class: asteroidea) have a mouth at the center of their underside and an anus on their upper surface. Food can be brought into the stomach through the mouth or, in many species, the cardiac stomach can be extended out through the mouth to digest food outside the body. They then use their tube feet to pass the food to the stomach.
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