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Description
Descended from the Squidapod, the Landsquid is fully adapted to life on land. Its lays eggs that can survive away from water and can not swim. It roves through leaf litter on muscular legs.
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Comments9
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I was going to comment on how unlikely this is but this drawing 5 years old..... eh I'll do it anyway
You never explain how they got past the 2 major obstacles that make any Landsquid really hard to evolve.
1: This first problem depends on if the Landsquid evolved from marine to freshwater to land, or just from marine to land. If it's marine to land, your kinda fine as long as Landsquids do not touch freshwater until much later. If it's from marine to freshwater to land.... you have yourself the problem of Osmosis. You see, freshwater dwellers have really salty blood, and evolved to absorb as much salt as they can while expelling water through there urine. Marine animals, like all Cephalopods, has relatively fresh blood, and then try to absorb freshwater while expelling saltwater. It's kinda hard for a gradual change between absorbing freshwater while expelling salt to absorbing salt while expelling freshwater. My major idea is to make it fully marine and then evolve to land, instead of having it to go to freshwater first. This might already be the case but you never explained it.
2: I kinda find it interesting that you decide to make the fins the legs instead of the tentacles- nearly all other times the tentacles became the legs. The legs point to a problem, however- Cephalopods have no skeleton to speak of. This is amplified by the fact that your legs are erect- what is supporting the legs to do that? The 2 terrestrial phyla with legs like those have a support (Chordates have endoskeletons, Arthropods has exoskeletons.) However, although legs like those are impossible.... that doesn't mean they can't have legs. There's a third phylum, the only phylum that is completely fully terrestrial, that has legs.... but they don't have an endo or exoskeleton. That phylum is Onychophora. Instead of sprawling or erect legs on the bottom of the body, their rigid legs are on the sides, moving by passively stretching and contracting its entire body. The legs also have a pair of claws to gain a foothold in uneven terrain. This is probably what you need for Landsquids- a bunch of legs with claws that crawl around by stretching or contracting the legs. If you really want a skeleton, sure go for it probably (just explain how they evolved the skeleton), but I'd suggest looking up Onychophorans and how they move if you want to return to this idea one day.
I really like the idea of a Cephalopod that uses its fins to walk instead of its tentacles like everyone else does, I just think that it was poorly explained and that could easily be fixed. Also, I have a question if you remember it: did Landsquids breathe through there skin or did they evolve lungs like terrestrial snails and tetrapods?
You never explain how they got past the 2 major obstacles that make any Landsquid really hard to evolve.
1: This first problem depends on if the Landsquid evolved from marine to freshwater to land, or just from marine to land. If it's marine to land, your kinda fine as long as Landsquids do not touch freshwater until much later. If it's from marine to freshwater to land.... you have yourself the problem of Osmosis. You see, freshwater dwellers have really salty blood, and evolved to absorb as much salt as they can while expelling water through there urine. Marine animals, like all Cephalopods, has relatively fresh blood, and then try to absorb freshwater while expelling saltwater. It's kinda hard for a gradual change between absorbing freshwater while expelling salt to absorbing salt while expelling freshwater. My major idea is to make it fully marine and then evolve to land, instead of having it to go to freshwater first. This might already be the case but you never explained it.
2: I kinda find it interesting that you decide to make the fins the legs instead of the tentacles- nearly all other times the tentacles became the legs. The legs point to a problem, however- Cephalopods have no skeleton to speak of. This is amplified by the fact that your legs are erect- what is supporting the legs to do that? The 2 terrestrial phyla with legs like those have a support (Chordates have endoskeletons, Arthropods has exoskeletons.) However, although legs like those are impossible.... that doesn't mean they can't have legs. There's a third phylum, the only phylum that is completely fully terrestrial, that has legs.... but they don't have an endo or exoskeleton. That phylum is Onychophora. Instead of sprawling or erect legs on the bottom of the body, their rigid legs are on the sides, moving by passively stretching and contracting its entire body. The legs also have a pair of claws to gain a foothold in uneven terrain. This is probably what you need for Landsquids- a bunch of legs with claws that crawl around by stretching or contracting the legs. If you really want a skeleton, sure go for it probably (just explain how they evolved the skeleton), but I'd suggest looking up Onychophorans and how they move if you want to return to this idea one day.
I really like the idea of a Cephalopod that uses its fins to walk instead of its tentacles like everyone else does, I just think that it was poorly explained and that could easily be fixed. Also, I have a question if you remember it: did Landsquids breathe through there skin or did they evolve lungs like terrestrial snails and tetrapods?