STINGRAYS CAN MAKE CLICKING SOUND, ACCORDING TO NEW RESEARCH

STINGRAYS CAN MAKE CLICKING SOUND, ACCORDING TO NEW RESEARCH

STINGRAYS CAN MAKE CLICKING SOUND, ACCORDING TO NEW RESEARCH

New evidence, from oncidentally recorded observations of sound production obtained in the Magnetic Island on the Great Barrier Reef, Australia, shows that the mangrove whipray (Urogymnus granulatus) and the cowtail stingray (Pastinachus ater) can actively produce sounds. Juvenile mangrove whiprays appear to make loud clicking noises as an social behaviour related to fighting, either to warn off and startle predators or to signal to other nearby juveniles to aggregate in defense. Though it is clear that elasmobranchs, such as sharks, rays, and skates, can hear and respond to sounds in various ways, until now, there have been no confirmed examples of active sound production by this group in the wild.

The exact mechanism of sound production remains unclear but appears to be similar in both species. In all recordings, contractions of the spiracles and associated gill openings are visible simultaneously with theclicking sounds, indicating that sounds may beproduced through fast contractions of the cranial and gill area.

Photo: Juvenile mangrove whiprays displaying a typical high tide group overlapping behavior, by José Javier Delgado Esteban. Whale Nation Studio 2018–2023.

Video showing mangrove whipray emitting sounds

Reference (Open Access): Fetterplace et al., 2022. Evidence of Sound Production in Wild Stingrays. Ecology

More Posts from Melancholianarcissus and Others

4 years ago

i aspire to be one of those people who are known for always carrying a book around, having good taste in music and treating people nicely.

3 years ago

What are your thoughts on the ending of the green knight? Little disappointed with it.

Ahhh thank you, my anonymous hero, for giving me the opportunity to ramble about this movie. I saw it last night and I’ve been thinking about it pretty nonstop. Disclaimer before I get into this: I’m not a proper medievalist. I am, however, an English student with a focus on British literature, so I’ve read a few different translations of the original source material and studied it fairly in-depth.

That being said, my first reaction to The Green Knight was… well, that it’s not really Sir Gawain and the Green Knight. Which is fine! Mostly. Every movie adaptation changes things from the source, but this one changed so much, so drastically, that I can’t really think about it as the same story. In the original poem, Gawain is a good (if inexperienced) knight who consistently keeps his promises and retains his honor right up until the very end of the story, when he lies about the green belt and refuses to give it to his host, Bertilak. The storyline of the movie seems to flip this? Gawain doesn’t start off as a good knight, or even as a knight at all, and in the movie he consistently fails to live up to knightly virtues throughout his quest. However, at the end he succeeds where the original Gawain did not, and voluntarily removes the belt (after that memorable flash-forward sequence).

To me, this is a fundamentally different story from the original. And I’m not mad about the character changes! A movie has to create a self-contained character arc in a way that the anonymous Pearl Poet did not have to. So to me, the movie seems to present the story of someone who must learn to accept death. Death (and rebirth) is certainly a major theme in the original, too, but I’ve always interpreted the og poem as placing more importance on honesty, chivalry, chastity, humility, and shame.

So the movie is telling a different story, with different themes. With that in mind, I guess it could make sense to skim over the 3 days of Christmas games and the kissing exchange in the original poem. However, even if it does make sense, I’m mad about it because I really liked the Christmas games and the kissing exchange in the original poem. I would’ve swapped out Gawain’s existential flash-forward sequence for a few good kissing exchanges in a heartbeat.

That being said, with the story the movie seems to be trying to tell I’m not terribly mad at the ending? Maybe? I’m still conflicted. I suppose the problem is that the themes feel very confused to me. The strongest one I can latch onto is the inevitability of death/ the importance of embracing the natural cycle of the world. With that in mind, Gawain’s vision of the future could be his realization that his life will, eventually, end, no matter what he does in the green chapel. His decision to remove the belt and face the green knight without its protection can then be seen as an acceptance of death, and the decision to die with honor and dignity. I’m not unhappy with where his character arc ends up here, considering he’s been framed as a screw-up since the beginning of the movie, but I’m left repeating #notmygawain because this is, again, a fundamentally different character arc from the original story. Again, I understand why they changed Gawain’s character for a movie. I just don’t like the changes very much.

I’m also not a huge fan of the cliffhanger (although I did love the final “Green Knight” title card!) mostly because all elements of cliffhanger are removed if you’ve actually read the original poem (or even just checked Wikipedia). Like, we know that the knight doesn’t kill Gawain. It’s not a new story. Although? I suppose this version of it is. So who’s to say whether he dies or not? I suppose the cliffhanger could work in the context of this adaption because, if we’re going with the ‘accepting death’ theme (which I’m still not sure about!), the outcome of Gawain’s decision doesn’t matter as much as the decision itself. We’ve seen him drift around the kingdom for almost 2 hours, breaking chivalric code, lying to his host, and overall being a pretty self-absorbed knight who’s terrified of his own mortality. The decision to accept death and embrace honor is the culmination of a character arc and seems like a fitting end to the movie. But I do wish we had gotten to see Gawain work more towards this growth through the events of his quest, rather than simply achieve it through a flash forward in time.

And I still think they should have left in the full three days of Christmas games.

Overall? This adaption was beautiful. Dev Patel is hot. And, more importantly (to me), this adaption felt right. The blending of Catholic imagery with pagan Celtic influences, the weird vibes, the use of title cards and the vaguely disconnected adventures was fun, and it felt more “Arthurian” than any other round-table-related movie I’ve ever watched. But I’m still not entirely sure what the story was trying to say, or if it said it. If you’re going to deviate from the source material this much, it’s my opinion that you’ve got to do it for a clear reason, to make a clear point, not just to subvert audience expectation. I’m not quite sure what the point of these changes were, or how the ending of the movie revealed the movie’s core thesis. It felt a bit more like a “gotcha!” from the director than a genuine end to Gawain’s story.

But, I mean, at least Dev Patel was hot.

5 years ago

Dark academia things as people:

a university campus - long dark hair and shining eyes, hands are always cold, has three shades of dark lipstick in the purse, awake early in the morning, wears brown jackets, perfect handwriting;

poetry - reads sonnets at night, love for nature, never has enough money to buy good wine, would whisper lines your favorite poems, has a crush on Shelley but doesn't admit it;

candels - stays awake all night, sleeps all day, studies philosophy, every bookshop worker in the town knows them, kisses you softly goodnight, gets offended every time somebody says they are cute;

an abandoned mansion - always alone, is said to have a horrifying past, wears black coats, collects vintage things, should have been born in 19th century, loves sisters Brontë, they cry themselves to sleep.

5 years ago

damn i really read this as

“if you ever get the chance to live in poverty.... take it”

if you ever get the chance to live poetry instead of reading it, take it. i promise it’s worth it. shout the verses at the quiet night, laugh hysterically reciting a sonnet, fall to your knees in the middle of a soliloquy. don’t leave the words on their pages, make them burn your throat and shatter the universe.

5 years ago

“All literature is scarry. It celebrates the wound and repeats the lesion.”

— Hélène Cixous, Preface to Stigmata

Vanessa Redgrave And Oliver Reed In The Devils (1971)
Vanessa Redgrave And Oliver Reed In The Devils (1971)

Vanessa Redgrave and Oliver Reed in The Devils (1971)

5 years ago

when mary shelley said “i am unstable, sometimes melancholy, and have been called on some occasions imperious; but i never did an ungenerous act in my life. i sympathise warmly with others, and have wasted my heart in their love”

5 years ago

idea for all my peeps stuck between the Dark Academia and Cottage Core aesthetic:

Dark Cottage Core

- dark earthy colours, flowy clothes

- lots of books about botany, bugs, and poisons

- making wine out of grapes and dandelions you grew yourself

- hiking boots

- having no pets but you always leave snacks outside for the birds and deer, eventually a stray cat wanders in and makes itself at home

- old manors covered in overgrown vines

- elf ears + fangs

- pressed flowers between old dictionaries

- hanging flowers from the rafters

Feel free to add more ✨

  • semicoherentgaymer
    semicoherentgaymer liked this · 1 year ago
  • melancholianarcissus
    melancholianarcissus reblogged this · 1 year ago
  • swimmingprincessbouqet
    swimmingprincessbouqet liked this · 1 year ago
  • anjo-by-the-sea
    anjo-by-the-sea liked this · 1 year ago
  • frumbdumb
    frumbdumb liked this · 1 year ago
  • leftover-ramenbox
    leftover-ramenbox liked this · 1 year ago
  • purplecatgarden
    purplecatgarden reblogged this · 1 year ago
  • warbal-gloming
    warbal-gloming reblogged this · 1 year ago
  • fierworks
    fierworks liked this · 1 year ago
  • ll3viathann
    ll3viathann liked this · 1 year ago
  • deviledeggi
    deviledeggi liked this · 1 year ago
  • thebigdeepcheatsy
    thebigdeepcheatsy liked this · 1 year ago
  • half-a-life
    half-a-life liked this · 1 year ago
  • xavilo
    xavilo liked this · 1 year ago
  • astraldreamtraveler
    astraldreamtraveler liked this · 1 year ago
  • thenorthwomanwitch
    thenorthwomanwitch liked this · 1 year ago
  • chemically-cathartic
    chemically-cathartic liked this · 1 year ago
  • thesegoodart
    thesegoodart reblogged this · 1 year ago
  • sharkexpert
    sharkexpert liked this · 1 year ago
  • finleewinleeeatsink
    finleewinleeeatsink liked this · 1 year ago
  • express-gello
    express-gello liked this · 1 year ago
  • satanstwinkson
    satanstwinkson liked this · 1 year ago
  • korya-elana
    korya-elana liked this · 1 year ago
  • oops-theinternet
    oops-theinternet liked this · 1 year ago
  • epaulettesharklove
    epaulettesharklove reblogged this · 1 year ago
  • epaulettesharklove
    epaulettesharklove liked this · 1 year ago
  • ormacritis
    ormacritis liked this · 1 year ago
  • ellastellacocola
    ellastellacocola liked this · 1 year ago
  • meroppi
    meroppi liked this · 1 year ago
  • kibblemode
    kibblemode liked this · 1 year ago
  • tangled-life
    tangled-life liked this · 1 year ago
  • synthlet
    synthlet reblogged this · 1 year ago
  • chukundur
    chukundur reblogged this · 1 year ago
  • kingfrog-1215
    kingfrog-1215 reblogged this · 1 year ago
  • kingfrog-1215
    kingfrog-1215 liked this · 1 year ago
  • massivelimestonecube
    massivelimestonecube liked this · 1 year ago
  • pickthelock
    pickthelock liked this · 1 year ago
  • homeplanets
    homeplanets reblogged this · 1 year ago
  • my-taste-in-music
    my-taste-in-music liked this · 1 year ago
  • suranoise
    suranoise reblogged this · 1 year ago
  • milow0w
    milow0w liked this · 1 year ago
  • 12angry
    12angry liked this · 1 year ago
  • dimitarthewizard
    dimitarthewizard liked this · 1 year ago
  • pluto-bug
    pluto-bug reblogged this · 1 year ago
  • pluto-bug
    pluto-bug liked this · 1 year ago
  • heartfucksmouth
    heartfucksmouth reblogged this · 1 year ago
  • nicolas0204-blog1
    nicolas0204-blog1 liked this · 1 year ago
melancholianarcissus - pink narcissus
pink narcissus

111 posts

Explore Tumblr Blog
Search Through Tumblr Tags