J Exp Biol May 2006 PMID 16651546

When bad things happen to good fish: the loss of hemoglobin and myoglobin expression in Antarctic icefishes.

Bruce D Sidell, Kristin M O'Brien

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Mentions

51
Peak: 13 in Nov 2023
across 7 sources since Sep 2020

Extended reach

2,502,846
potential audience

Total likes

38,366

Video views

2,287,446

Mentions per month

Sep 2020 – Oct 2025

Where it's discussed

  • X / Twitter22 posts
  • Facebook15 posts
  • YouTube4 videos
  • Blogs4 articles
  • News3 articles
  • Reddit2 posts
  • Bluesky1 posts

AI synopsis

What people are saying

The discussions reveal enthusiasm about the unusual biology of Antarctic icefishes, with posts highlighting facts like their lack of hemoglobin and their adaptations to cold environments. Words like 'fun fact' and expressions of excitement like 'ahhhhhhhhh' demonstrate a sense of wonder and curiosity, emphasizing the scientific importance of the research while engaging readers with accessible language.

AgreementModerate agreement

Most discussions affirm the interesting biological phenomena in Antarctic icefishes, recognizing the unique absence of hemoglobin as noteworthy.

InterestHigh interest

The posts show a high level of curiosity about the unusual adaptations of these fish, with many expressing excitement and enthusiasm.

EngagementModerate engagement

Some discussions refer to specific details, such as the loss of hemoglobin and the evolution of blood vessels, indicating moderate engagement.

ImpactModerate impact

While the discussions highlight the significance of these findings, they mainly focus on raising awareness rather than exploring wide-reaching implications.

Abstract in brief

  • The Antarctic icefishes have uniquely lost hemoglobin and sometimes myoglobin, which has provided insights into the functions of these proteins.
  • The loss of these proteins increases energy costs for blood circulation and decreases heart performance, leading to significant changes in their cardiovascular system to supply oxygen.
  • Elevated nitric oxide levels in the absence of hemoglobin and myoglobin may have sped up the evolution of their specialized blood vessels and metabolic traits, helping these fish survive in cold, isolated environments.]

Top posts

Most liked on X and Bluesky
Virginia Schutte
@vgwschutte.bsky.social · Bluesky

I wrote the script for this ahhhhhhhhh I'm so excited it's out!! it's the first outreach product made by giving away materials from the #AntarcticWorms cruise (by @hollybik.bsky.social & #NSFfunded) youtu.be/yulpV8TxSQk?...

Nov 10, 2023 · 19 likes · 19 shares View post →
Holly Bik
@hollybik · X

Our first #AntarcticWorms #SciComm collaboration is officially out this week!! We partnered with the incredible storytellers @MinuteEarth to make this super fun science explainer video (w/script by @vgwschutte - you will LOL) #NSFfunded @NSF #IcyInverts https://t.co/dzRGWoDZOy

Nov 10, 2023 · 14 likes · 4 shares · 10,123 followers View post →
April
@sciApril · X

Check out my latest video "Our set of rules that we use to classify life isn't perfect. Additionally life can be weird. video explores the peculiarities of fish without hemoglobin and how this defies the notion that all vertebrates have red blood cells.” https://t.co/rQUF6jIr5J https://t.co/E8XSWZC8Fp

Sep 30, 2020 · 7 likes · 2 shares · 618 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

Creatures in the Southern Ocean become larger, older, and stranger than creatures in temperate waters - partially because of the planet's largest and fastest ocean current. Have a look at strange creatures in stranger waters here: https://t.co/jcQlnAl8h1 https://t.co/wSZvuN1Q4z

Nov 6, 2023 · 5 likes · 55,251 followers View post →
Harriet Carroll: Long Covid Scientific Consultancy
@angryhacademic · X

Fun fact: ice fish are the only known vertebrates that lack haemoglobin, which means they have clear blood https://t.co/mClrTQJ3Pq Comparison below of freshly drawn notothenioid fish vs ice fish blood https://t.co/E7lJo2Zmac

Dec 21, 2022 · 4 likes · 2 shares · 8,775 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

Creatures in the Southern Ocean become larger, older, and stranger than creatures in temperate waters - partially because of the planet's largest and fastest ocean current. Have a look at strange creatures in stranger waters here: https://t.co/jcQlnAl8h1 https://t.co/l19qCV3TLr

Nov 9, 2023 · 2 likes · 55,251 followers View post →

All mentions

Harriet Carroll: Long Covid Scientific Consultancy
@angryhacademic · X

RT @angryhacademic: Fun fact: ice fish are the only known vertebrates that lack haemoglobin, which means they have clear blood https://t.co…

Dec 21, 2024 · 2 shares · 8,775 followers View post →
pixauradigital
@pixauradigital · X

Feb 12, 2024 · 27 followers View post →
Ravick Bitencourt
@Ravick_BlueLion · X

https://t.co/LtuXL002IV

Jan 10, 2024 · 166 followers View post →
anonymous
@bobbyhutton14 · X

https://t.co/sBQBPsSrpa

Jan 9, 2024 · 511 followers View post →
Nick Plessas
@NickASAVet · X

Where The Weird Things Are https://t.co/hkZuEzM1zu via @YouTube

Dec 24, 2023 · 2,204 followers View post →
Harriet Carroll: Long Covid Scientific Consultancy
@angryhacademic · X

RT @angryhacademic: Fun fact: ice fish are the only known vertebrates that lack haemoglobin, which means they have clear blood https://t.co…

Dec 21, 2023 · 2 shares · 8,775 followers View post →
☆ น้องอบควันเทียน ▷
@bakesmokecandle · X

Where The Weird Things Are https://t.co/GTmNxheymg via @YouTube

Dec 11, 2023 · 475 followers View post →
Plat0x.eth (Σ
@at0x_eth · X

Nov 16, 2023 · 2,316 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

RT @hollybik: Our first #AntarcticWorms #SciComm collaboration is officially out this week!! We partnered with the incredible storytellers…

Nov 13, 2023 · 4 shares · 55,251 followers View post →
Marta Shocket
@MartaShocket · X

RT @hollybik: Our first #AntarcticWorms #SciComm collaboration is officially out this week!! We partnered with the incredible storytellers…

Nov 13, 2023 · 4 shares · 1,989 followers View post →
Matthieu Leray
@Matt_Leray · X

RT @hollybik: Our first #AntarcticWorms #SciComm collaboration is officially out this week!! We partnered with the incredible storytellers…

Nov 11, 2023 · 4 shares · 955 followers View post →
Dr Michelle Taylor
@Dr_MTaylor · X

RT @hollybik: Our first #AntarcticWorms #SciComm collaboration is officially out this week!! We partnered with the incredible storytellers…

Nov 10, 2023 · 4 shares · 2,671 followers View post →
Virginia Schutte
@vgwschutte.bsky.social · Bluesky

I wrote the script for this ahhhhhhhhh I'm so excited it's out!! it's the first outreach product made by giving away materials from the #AntarcticWorms cruise (by @hollybik.bsky.social & #NSFfunded) youtu.be/yulpV8TxSQk?...

Nov 10, 2023 · 19 likes · 19 shares View post →
Holly Bik
@hollybik · X

Our first #AntarcticWorms #SciComm collaboration is officially out this week!! We partnered with the incredible storytellers @MinuteEarth to make this super fun science explainer video (w/script by @vgwschutte - you will LOL) #NSFfunded @NSF #IcyInverts https://t.co/dzRGWoDZOy

Nov 10, 2023 · 14 likes · 4 shares · 10,123 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

Creatures in the Southern Ocean become larger, older, and stranger than creatures in temperate waters - partially because of the planet's largest and fastest ocean current. Have a look at strange creatures in stranger waters here: https://t.co/jcQlnAl8h1 https://t.co/l19qCV3TLr

Nov 9, 2023 · 2 likes · 55,251 followers View post →
leonmsampaio.bsky.social
@leonmsampaio · X

Where The Weird Things Are https://t.co/AFaSfDceaS

Nov 7, 2023 · 1 like · 242 followers View post →
Pratus Ansiursus (Βραδ Όσβορν)
@PratusAnsiursus · X

Nov 6, 2023 · 203 followers View post →
kodiakbear
@kodiakbear1969 · X

MinuteEarth https://t.co/spqzcTfA8n

Nov 6, 2023 · 97 followers View post →
MinuteEarth (also on BlueSky)
@MinuteEarth · X

Creatures in the Southern Ocean become larger, older, and stranger than creatures in temperate waters - partially because of the planet's largest and fastest ocean current. Have a look at strange creatures in stranger waters here: https://t.co/jcQlnAl8h1 https://t.co/wSZvuN1Q4z

Nov 6, 2023 · 5 likes · 55,251 followers View post →
Harriet Carroll: Long Covid Scientific Consultancy
@angryhacademic · X

Fun fact: ice fish are the only known vertebrates that lack haemoglobin, which means they have clear blood https://t.co/mClrTQJ3Pq Comparison below of freshly drawn notothenioid fish vs ice fish blood https://t.co/E7lJo2Zmac

Dec 21, 2022 · 4 likes · 2 shares · 8,775 followers View post →
Leonardo Mantilla A., PhD.
@zoomare · X

RT @April69704704: Check out my latest video "Our set of rules that we use to classify life isn't perfect. Additionally life can be weird.…

Sep 30, 2020 · 2 shares · 492 followers View post →
Amanda Kowalczyk
@KowalczykAmanda · X

RT @April69704704: Check out my latest video "Our set of rules that we use to classify life isn't perfect. Additionally life can be weird.…

Sep 30, 2020 · 2 shares · 131 followers View post →
April
@sciApril · X

Check out my latest video "Our set of rules that we use to classify life isn't perfect. Additionally life can be weird. video explores the peculiarities of fish without hemoglobin and how this defies the notion that all vertebrates have red blood cells.” https://t.co/rQUF6jIr5J https://t.co/E8XSWZC8Fp

Sep 30, 2020 · 7 likes · 2 shares · 618 followers View post →