*confused flatfish noises*

Comments

• fibojoly@sh.itjust.works ⁨31⁩ ⁨minutes⁩ ago

  That’s if sight is your primary sense for hunting / evasion, right?

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• yetAnotherUser@discuss.tchncs.de ⁨1⁩ ⁨hour⁩ ago

  Is it actually possible for a fish-like animal to have eyes at the front (i.e. an animal with a hydrodynamic shape that spends all its time underwater)?

  I feel like that’s really difficult for evolution to achieve, especially because the mouth has to go somewhere at the front too. I mean, look at where the lights of a high-speed train are placed and their shape.

  Intuitively it feels easier to just put the eyes on the side. Plus it feels like there’s a lower risk of damaging them when bumping into something.

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  • Hathaway@lemmy.zip ⁨1⁩ ⁨hour⁩ ago

    Barreleyes get sorta close. They look up but can look forward too.

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• saltesc@lemmy.world ⁨12⁩ ⁨hours⁩ ago

  I think that’s specific to mammals. Just off the top of my head…

  Invertebrates? No. All out

  Fish? No.

  Birds? No.

  Reptiles? No.

  Amphibians? No.

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  • marzhall@lemmy.world ⁨8⁩ ⁨minutes⁩ ago

    Invertebrates? No. All out I invite you to meet the awesome [jumping spider(www.youtube.com/watch?v=UDtlvZGmHYk), whose eyes are very especially needed set up to be forward-facing for depth perception for their jumps, and who hunt other spiders, as well as the wolf spider, who are also a hunting (as opposed to web) spider.

    In fact, you can use the chart of spider eye layouts to pretty much identify whether you’re looking at a spider who builds webs and waits or a spider who hunts:

    a drawing of different spider faces to their names

    Anyone with two big forward-facing eyes is probably looking around for their next meal.

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  • sbeak@sopuli.xyz ⁨12⁩ ⁨hours⁩ ago

    whales and dolphins are mammals, and they have eyes on the side. Don’t think anything preys on them (at least for the full-grown ones, pretty sure baby whales are preyed on)

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  • Bluewing@lemmy.world ⁨4⁩ ⁨hours⁩ ago

    They want your sweater back…

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  • sbeak@sopuli.xyz ⁨12⁩ ⁨hours⁩ ago

    Another non-predator mammal with front facing eyes: llamas.

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    • FeatherConstrictor@sh.itjust.works ⁨11⁩ ⁨hours⁩ ago

      Are llamas’ eyes not side-facing? That’s what it looks like in photos to me

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    • squaresinger@lemmy.world ⁨7⁩ ⁨hours⁩ ago

      Pandas as well. Non-predator but clearly front facing eyes.

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    • imgcat@lemmy.ml ⁨10⁩ ⁨hours⁩ ago

      and humans.

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  • illi@piefed.social ⁨5⁩ ⁨hours⁩ ago

    I remember there used to be a goat on some island (now extinct) that didn’t have any predators so it evolved forward facing eyes

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  • HeyThisIsntTheYMCA@lemmy.world ⁨7⁩ ⁨hours⁩ ago

    Sloth

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    • Auli@lemmy.ca ⁨4⁩ ⁨hours⁩ ago

      What sloths are leaf predators.

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  • sbeak@sopuli.xyz ⁨4⁩ ⁨hours⁩ ago

    Bats also have forward facing eyes I think (correct me on this please!), but most of them aren’t carnivorous. They eat fruits and bugs and stuff.

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    • illi@piefed.social ⁨2⁩ ⁨hours⁩ ago

      They eat fruits and bugs and stuff.

      Well, if they hunt bugs, they are predators, no?

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    • LibertyLizard@slrpnk.net ⁨2⁩ ⁨hours⁩ ago

      I would assume insects would be evolutionarily similar to other types or prey.

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  • Tlaloc_Temporal@lemmy.ca ⁨4⁩ ⁨hours⁩ ago

    Aye-Ayes and Tarsiers have very forward facing eyes, yet eat mostly gruvs in trees.

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  • trxxruraxvr@lemmy.world ⁨11⁩ ⁨hours⁩ ago

    Besides humans, aren’t most apes not prey animals?

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    • Starski@lemmy.zip ⁨11⁩ ⁨hours⁩ ago

      What do you mean by prey animals? Animals that prey on others or are you calling them prey themselves? And just because an animal is a predator doesn’t mean there aren’t larger predators that will kill and eat them. Ultimately most apes are omnivores who eat fruit and berries, along with leaves and other shit, but will eat meat and have been known to prey on animals, yet it’s not their main source of food. They’re not apex predators but they aren’t actively prey.

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    • imgcat@lemmy.ml ⁨10⁩ ⁨hours⁩ ago

      including humans.

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• mech@feddit.org ⁨13⁩ ⁨hours⁩ ago

  Yes Sharky?

  CAN I PLEASE MOVE? I’M SUFFOCATING!

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  • notsure@fedia.io ⁨13⁩ ⁨hours⁩ ago

    ...300 million years, can't sit still, smh...

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    • aeternum@lemmy.blahaj.zone ⁨11⁩ ⁨hours⁩ ago

      The perfect predator. Can’t survive out of water. What are sharks even doing??

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  • stupidcasey@lemmy.world ⁨11⁩ ⁨hours⁩ ago

    Unfortunately I promised the wife Flake tonight.

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    • mech@feddit.org ⁨11⁩ ⁨hours⁩ ago

      Protipp: To make this dish more interesting, simply bury the meat in your back yard for a year.

      Hákarl

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• mr_account@lemmy.world ⁨12⁩ ⁨hours⁩ ago

  Last time I saw this kind of comment/meme someone pointed out that dragons are usually depicted with eyes on the sides of their head. What hunts them, I wonder

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  • Mr_Fish@lemmy.world ⁨11⁩ ⁨hours⁩ ago

    That’s like how in dnd lore the tarrasque, basically the biggest, scariest monster, is always depicted with big spikes on its back. Animals evolve spikes like that to ward off predators. That means something at least used to hunt tarrasques

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    • TheOctonaut@mander.xyz ⁨11⁩ ⁨hours⁩ ago

      Actually they develop in its juvenile state when they are vulnerable to more mundane predators but are then retained for sexual selection in adulthood.

      There is only one tarrasque in existence, resulting in it taking its sexual frustration out on level 20 adventuring parties and parties that keep making fun of the lore- uh, history- of the world they grew up in.

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  • psx_crab@lemmy.zip ⁨12⁩ ⁨hours⁩ ago

    Human.

    Image

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  • pressanykeynow@lemmy.world ⁨12⁩ ⁨hours⁩ ago

    Adventurers…

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  • redsand@lemmy.dbzer0.com ⁨12⁩ ⁨hours⁩ ago

    Bigger dragons.

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  • Pat_Riot@lemmy.today ⁨4⁩ ⁨hours⁩ ago

    Horny donkeys

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  • notsure@fedia.io ⁨6⁩ ⁨hours⁩ ago

    ...hobbits...

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    • Crashumbc@lemmy.world ⁨4⁩ ⁨hours⁩ ago

      The Hobbits just piss them off, then humans have to deal with it…

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  • queermunist@lemmy.ml ⁨12⁩ ⁨hours⁩ ago

    Are we the baddies?

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    • WhiskyTangoFoxtrot@lemmy.world ⁨5⁩ ⁨hours⁩ ago

      It turns out it’s man.

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• melsaskca@lemmy.ca ⁨4⁩ ⁨hours⁩ ago

  Axe-u-a-lee…

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• Zerush@lemmy.ml ⁨11⁩ ⁨hours⁩ ago

  It’s not the question if the eyes on the side or in the front, it’s about the capability to be able to focusing on a stereoscopic vision to be able to calculate the distances to the prey or not. Side eyes increase the field of vision, which can be advantageous for fleeing animals, but does not exclude that predators can also use it to strategically locate themselves better in the environment. But it is true that animals with frontal vision are generally predatory.

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  • Tlaloc_Temporal@lemmy.ca ⁨4⁩ ⁨hours⁩ ago

    There are lots of reasons to have binocular frontal vision. Redundancy, differing info for optic flow, sensitivity, reducing the frontal blind spot, compensating for retinal blind spots, higher frontal resulution, seeing around things, depth perception…

    Most of there are good for predators, but predation isn’t the only reason to have them.

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  • flora_explora@beehaw.org ⁨8⁩ ⁨hours⁩ ago

    They also have to orient themselves in a truely 3D landscape, unlike terrestrial predators who hunt on basically a 2D plane. Birds of prey (with the exception of owls) also don’t have front-facing eyes, probably for similar reasons (and they’re stereoscopic vision also works a bit different I think with very different points of focus).

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    • Zerush@lemmy.ml ⁨8⁩ ⁨hours⁩ ago

      Wrong, all birds of prey have front-facing eyes, not only owls

      Image

      Image

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• zeca@lemmy.ml ⁨8⁩ ⁨hours⁩ ago

  Being a predator is not a property, its a relation. X is a predator of Y… but not of Z, and is a prey of V and not of W.

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• Gladaed@feddit.org ⁨9⁩ ⁨hours⁩ ago

  Sharks see with their jaws, though.

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