PubHawk
October 2017 PMID 28938002

Regional endothermy as a trigger for gigantism in some extinct macropredatory sharks.

Humberto G Ferrón

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Mentions

73
Peak: 2 in Oct 2019
across 5 sources since Apr 2018

Extended reach

1,278,416
potential audience

Total likes

19,065

Video views

1,249,050

Mentions per month

Apr 2018 – Jul 2024

Where it's discussed

  • News53 articles
  • Facebook8 posts
  • X / Twitter7 posts
  • Blogs3 articles
  • YouTube2 videos

AI synopsis

What people are saying

The overall tone reflects curiosity and support, with comments like 'Meg was a regional endotherm' and questions about the methods used, illustrating a balanced blend of agreement and interest. The use of technical language and references to specific methods or prior research demonstrates a moderate level of engagement and recognition of the research's potential significance.

AgreementModerate agreement

Most discussions acknowledge the findings and support the idea that certain extinct sharks were endothermic, reflecting general agreement with the research.

InterestModerate interest

Participants show moderate interest, discussing methods like swimming speed estimates and questioning previous assumptions, indicating curiosity but not deep obsession.

EngagementModerate engagement

Conversations involve specific details and scientific considerations, such as isotopic analysis and energy use, showing a moderate level of in-depth engagement.

ImpactModerate impact

The discussions suggest the article could influence how we interpret ancient marine environments and shark evolution, hinting at a notable scientific impact.

Abstract in brief

  • The study suggests that some extinct large predatory sharks, like Otodus Megaselachus megalodon, likely had regional endothermy (warm-bloodedness in specific body regions), which helped them achieve gigantism and stay actively hunters.
  • Researchers used multiple approaches—such as isotopic analysis, swimming speed estimates, and new methods for assessing energy use—to support the idea that these sharks were endothermic, challenging previous views that saw them as cold-blooded.
  • The findings imply that our understanding of ancient shark climates and evolution needs revision, as the presence of endothermy in these sharks impacts interpretations of past temperatures and how large predatory animals evolved to be active and massive.]
Read the full abstract

Top posts

Most liked on X and Bluesky
Ausarchosaur is counting the days til PhP Ice Age
@ausar_the · X

Refs. https://t.co/KLgbKB8m6c https://t.co/KkCPVIZNwo https://t.co/Yi0QmfV7Vt https://t.co/D4jbTRMG19 https://t.co/PKYLxjT2g9 https://t.co/bKdGbmllja https://t.co/0nbBKcR7FZ

Jun 15, 2023 · 15 likes · 7,100 followers View post →
SICB
@SICB_ · X

@BrettHodinka Hi Brett! There has been a couple of swim speed estimates, although body mass tends to be used to calculate swim speed. Both estimated cruising speeds of 1.34-1.4 m/s. There may be more work on this coming soon ;) Paper 1: https://t.co/fQknQDb28U Paper 2: https://t.co/4x77WQnjAr

Jun 15, 2021 · 1 like · 7,024 followers View post →
Tyler Greenfield
@TylerGreenfieId · X

@WillBra74846312 @HybridaProject https://t.co/gtiKGx08t8 https://t.co/nYkwUXdyQE https://t.co/rP4xkILlCA https://t.co/P1VneaaYdv https://t.co/oEB5L8ycj6

Jun 15, 2023 · 1 like · 6,328 followers View post →
Tyler Greenfield
@TylerGreenfieId · X

@Sophiesaurus98 @TM9380 @MetTiinA @TetZoo Meg was a regional endotherm. https://t.co/gtiKGwHZf0

Jul 1, 2022 · 1 like · 6,328 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

RT @Kyukimasa: メガロドンなど絶滅巨大サメ類の体温は高かったという考察 https://t.co/WasRAAe90K 多くの魚は水温とほぼ同じ体温だけど、活動的なのは体温高めでその温度域で機能する筋肉使う。 身体の大きさ（体温維持に関わる）と運動能力から古代の巨…

Oct 1, 2019 · 46 shares · 2,156 followers View post →
森本　心
@IROMONOMAN · X

RT @Kyukimasa: メガロドンなど絶滅巨大サメ類の体温は高かったという考察 https://t.co/WasRAAe90K 多くの魚は水温とほぼ同じ体温だけど、活動的なのは体温高めでその温度域で機能する筋肉使う。 身体の大きさ（体温維持に関わる）と運動能力から古代の巨…

Oct 1, 2019 · 46 shares · 168 followers View post →

All mentions

Ausarchosaur is counting the days til PhP Ice Age
@ausar_the · X

Refs. https://t.co/KLgbKB8m6c https://t.co/KkCPVIZNwo https://t.co/Yi0QmfV7Vt https://t.co/D4jbTRMG19 https://t.co/PKYLxjT2g9 https://t.co/bKdGbmllja https://t.co/0nbBKcR7FZ

Jun 15, 2023 · 15 likes · 7,100 followers View post →
Tyler Greenfield
@TylerGreenfieId · X

@WillBra74846312 @HybridaProject https://t.co/gtiKGx08t8 https://t.co/nYkwUXdyQE https://t.co/rP4xkILlCA https://t.co/P1VneaaYdv https://t.co/oEB5L8ycj6

Jun 15, 2023 · 1 like · 6,328 followers View post →
Ted Badwald
@badwald · X

@Le_balayeur @YMichat @mr_uchihaaa Donc pas de ressentiment mal placé, es-tu en mesure de m'indiquer quel article scientifique revu par des pairs suggérait pour le bestiau un métabolisme ectotherme ? J'en doute car il n'y en a pas, le dernier en date est de Ferron.https://t.co/A0KBejCyWV

May 12, 2023 · 78 followers View post →
Tyler Greenfield
@TylerGreenfieId · X

@Sophiesaurus98 @TM9380 @MetTiinA @TetZoo Meg was a regional endotherm. https://t.co/gtiKGwHZf0

Jul 1, 2022 · 1 like · 6,328 followers View post →
SICB
@SICB_ · X

@BrettHodinka Hi Brett! There has been a couple of swim speed estimates, although body mass tends to be used to calculate swim speed. Both estimated cruising speeds of 1.34-1.4 m/s. There may be more work on this coming soon ;) Paper 1: https://t.co/fQknQDb28U Paper 2: https://t.co/4x77WQnjAr

Jun 15, 2021 · 1 like · 7,024 followers View post →
森本　心
@IROMONOMAN · X

RT @Kyukimasa: メガロドンなど絶滅巨大サメ類の体温は高かったという考察 https://t.co/WasRAAe90K 多くの魚は水温とほぼ同じ体温だけど、活動的なのは体温高めでその温度域で機能する筋肉使う。 身体の大きさ（体温維持に関わる）と運動能力から古代の巨…

Oct 1, 2019 · 46 shares · 168 followers View post →
マンブルV2/フォアグラ
@V2manburu · X

RT @Kyukimasa: メガロドンなど絶滅巨大サメ類の体温は高かったという考察 https://t.co/WasRAAe90K 多くの魚は水温とほぼ同じ体温だけど、活動的なのは体温高めでその温度域で機能する筋肉使う。 身体の大きさ（体温維持に関わる）と運動能力から古代の巨…

Oct 1, 2019 · 46 shares · 2,156 followers View post →