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Scheduled Pinned Locked Moved Science Memes
sciencememes
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  • soleinvictus@lemmy.blahaj.zoneS soleinvictus@lemmy.blahaj.zone

    Functional changes in coloration are much "easier" (read: more likely) to develop through random mutation than functional changes to complex mechanical structures like bone structure or musculature. Given their predecessors were already under selective pressure by predation for millions of years prior, it's reasonable to assume they'd developed countershading (light bottom, dark top). Plus current agnathans are usually pretty dull.

    Edit: oh geez, I misunderstood your message. It totally could have been a rainbow party blimp. That mostly depends on what their habitat was like.

    M This user is from outside of this forum
    M This user is from outside of this forum
    mouselemming@sh.itjust.works
    wrote last edited by
    #25

    Thanks for editing not deleting because TIL!

    soleinvictus@lemmy.blahaj.zoneS 1 Reply Last reply
    7
    • fossilesque@mander.xyzF fossilesque@mander.xyz
      This post did not contain any content.
      y0kai@lemmy.dbzer0.comY This user is from outside of this forum
      y0kai@lemmy.dbzer0.comY This user is from outside of this forum
      y0kai@lemmy.dbzer0.com
      wrote last edited by
      #26

      The eyes would suggest it's a predator.

      F tlaloc_temporal@lemmy.caT 2 Replies Last reply
      19
      • B brokenlcd@feddit.it

        It's funny when looked sideways, but when looked from the front it's two distortion filters away from analog horror.

        J This user is from outside of this forum
        J This user is from outside of this forum
        jargonwagon@lemmy.world
        wrote last edited by
        #27

        Horror already without filters. I'm going to see that thing in my nightmares, fuckin hell.

        poinck@lemm.eeP 1 Reply Last reply
        2
        • M mouselemming@sh.itjust.works

          Thanks for editing not deleting because TIL!

          soleinvictus@lemmy.blahaj.zoneS This user is from outside of this forum
          soleinvictus@lemmy.blahaj.zoneS This user is from outside of this forum
          soleinvictus@lemmy.blahaj.zone
          wrote last edited by
          #28

          Of course! I'm a biologist, I try to use my powers for good.

          1 Reply Last reply
          6
          • C cornshark@lemmy.world

            How does it maneuver without any fins?

            C This user is from outside of this forum
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            chuckleslord@lemmy.world
            wrote last edited by chuckleslord@lemmy.world
            #29

            Not well. That's why most of its ancestors have fins nowadays

            J 1 Reply Last reply
            13
            • fossilesque@mander.xyzF fossilesque@mander.xyz
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              drspawndisaster@sh.itjust.works
              wrote last edited by
              #30

              Prototype fish

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              • fossilesque@mander.xyzF fossilesque@mander.xyz
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                nigelfrobisher@aussie.zone
                wrote last edited by
                #31

                This fish foresaw that evolution would lead to celebrity news, Return To Office mandates, and oversized utes, and decided it was happy precisely where it was.

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                8
                • y0kai@lemmy.dbzer0.comY y0kai@lemmy.dbzer0.com

                  The eyes would suggest it's a predator.

                  F This user is from outside of this forum
                  F This user is from outside of this forum
                  flambonkscious@sh.itjust.works
                  wrote last edited by
                  #32

                  That's what I thought! I'm too stupid to make anything more of it here for this community though

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                  • C chuckleslord@lemmy.world

                    Not well. That's why most of its ancestors have fins nowadays

                    J This user is from outside of this forum
                    J This user is from outside of this forum
                    jorge@lemmygrad.ml
                    wrote last edited by
                    #33

                    Don't you mean its descendants?

                    1 Reply Last reply
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                    • fossilesque@mander.xyzF fossilesque@mander.xyz
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                      kellenved@sh.itjust.works
                      wrote last edited by
                      #34

                      She call me Mr. Boombastic

                      Sacabambaspis

                      1 Reply Last reply
                      9
                      • y0kai@lemmy.dbzer0.comY y0kai@lemmy.dbzer0.com

                        The eyes would suggest it's a predator.

                        tlaloc_temporal@lemmy.caT This user is from outside of this forum
                        tlaloc_temporal@lemmy.caT This user is from outside of this forum
                        tlaloc_temporal@lemmy.ca
                        wrote last edited by
                        #35

                        Or just that it needs to focus on from of itself like filter crabs, or that it needs to see through things like kelp forests or hole enterances.

                        Given it's size and the extreme binocular vision, it's unlikely to have any ambush predators.

                        I looked it up, it has bony plates all over it's body and likely a lateral line, so seeing predators directly may have been less necessary. It was also a suction feeder, so likely an active predator of much smaller things. It may have needed good forward vision because it's maneuverability was poor.

                        1 Reply Last reply
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                        • J jargonwagon@lemmy.world

                          Horror already without filters. I'm going to see that thing in my nightmares, fuckin hell.

                          poinck@lemm.eeP This user is from outside of this forum
                          poinck@lemm.eeP This user is from outside of this forum
                          poinck@lemm.ee
                          wrote last edited by
                          #36

                          It is cute, isn't it?

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