Felipe Araújo
@felipearaujoictio.bsky.social
🐡 🐠 🧬 PhD candidate at the Goeldi Museum. Study fishes and genomics. He/him 🏳️🌈 🧪 🐟
Webpage: https://sites.google.com/museu-goeldi.br/felipe-araujo/about?authuser=1
Webpage: https://sites.google.com/museu-goeldi.br/felipe-araujo/about?authuser=1
Coming soon! 😅
September 10, 2025 at 11:38 PM
Coming soon! 😅
Fish deformities are commonly observed in farmed or non-native species. Here, we report for the first time a pughead deformity in a wild specimen of Satanoperca jurupari from the Tocantins River, within the Amazon basin.
👉 www.alb.periodikos.com.br/article/doi/...
👉 www.alb.periodikos.com.br/article/doi/...
September 1, 2025 at 5:23 PM
Fish deformities are commonly observed in farmed or non-native species. Here, we report for the first time a pughead deformity in a wild specimen of Satanoperca jurupari from the Tocantins River, within the Amazon basin.
👉 www.alb.periodikos.com.br/article/doi/...
👉 www.alb.periodikos.com.br/article/doi/...
We have collected this discus fish that seems to present some head deformity. Can anyone agree with me about it?
June 7, 2025 at 9:44 PM
We have collected this discus fish that seems to present some head deformity. Can anyone agree with me about it?
Reposted by Felipe Araújo
Between 2019 and 2023, researchers paid $8.968 billion to make papers open access. Imagine what else could be done with this money if it wasnt paid to for profit publishing companies...
👉 arxiv.org/abs/2407.16551
👉 arxiv.org/abs/2407.16551
January 27, 2025 at 12:33 AM
Between 2019 and 2023, researchers paid $8.968 billion to make papers open access. Imagine what else could be done with this money if it wasnt paid to for profit publishing companies...
👉 arxiv.org/abs/2407.16551
👉 arxiv.org/abs/2407.16551
I'm happy to share my research published on Biota Neotropica. Rapids in the Tocantins-Araguaia Basin host a rich fish diversity adapted to strong currents. Despite hydroelectric impacts, these habitats remain crucial for the survival of species. #Fish #Conservation
scielo.br/j/bn/a/PJwBM...
#Fish
scielo.br/j/bn/a/PJwBM...
#Fish
March 15, 2025 at 3:36 AM
I'm happy to share my research published on Biota Neotropica. Rapids in the Tocantins-Araguaia Basin host a rich fish diversity adapted to strong currents. Despite hydroelectric impacts, these habitats remain crucial for the survival of species. #Fish #Conservation
scielo.br/j/bn/a/PJwBM...
#Fish
scielo.br/j/bn/a/PJwBM...
#Fish
This armored catfish seems to be a putative new species of Peckoltia. It resembles Peckoltia vittata but it misses the fully platted abdomen. What do you think?
March 9, 2025 at 6:02 PM
This armored catfish seems to be a putative new species of Peckoltia. It resembles Peckoltia vittata but it misses the fully platted abdomen. What do you think?
Fish collecting in the rapids of the Tocantins River.
February 28, 2025 at 2:33 AM
Fish collecting in the rapids of the Tocantins River.
Gonatodes tapajonicus, collected near São Luiz do Tapajós by my fellow herpetologists in a multidisciplinary field expedition that happened in October of 2023.
February 25, 2025 at 1:07 AM
Gonatodes tapajonicus, collected near São Luiz do Tapajós by my fellow herpetologists in a multidisciplinary field expedition that happened in October of 2023.
Reposted by Felipe Araújo
Mostrando que não há limites para o vira-latismo e que não pode ver uma vergonha na rua que já quer passar, @helderbarbalhoreal.bsky.social, o anfitrião da #COP30, saúda a posse do criminoso condenado que quer assassinar o Acordo de Paris.
www.poder360.com.br/poder-susten...
www.poder360.com.br/poder-susten...
Helder Barbalho celebra posse de Trump e o convida para a COP30
Governador do Pará disse esperar “contar com a presença” do republicando na conferência climática em novembro. Leia no Poder360
www.poder360.com.br
January 20, 2025 at 9:57 PM
Mostrando que não há limites para o vira-latismo e que não pode ver uma vergonha na rua que já quer passar, @helderbarbalhoreal.bsky.social, o anfitrião da #COP30, saúda a posse do criminoso condenado que quer assassinar o Acordo de Paris.
www.poder360.com.br/poder-susten...
www.poder360.com.br/poder-susten...
Here is an intriguing specimen of Ghost Pleco (Ancistomus snethlageae) showing a dark band along the dorsal and caudal fins instead of the diagnostic white bands on the fins. Could you have a hypothesis for it?
December 19, 2024 at 9:27 PM
Here is an intriguing specimen of Ghost Pleco (Ancistomus snethlageae) showing a dark band along the dorsal and caudal fins instead of the diagnostic white bands on the fins. Could you have a hypothesis for it?
Having a 3D fun time!
December 18, 2024 at 8:14 PM
Having a 3D fun time!
Reposted by Felipe Araújo
December 12, 2024 at 5:43 PM
What amazing Baryancistrus aff niveatus we caught in the Trombetas rapids.
December 3, 2024 at 3:19 PM
What amazing Baryancistrus aff niveatus we caught in the Trombetas rapids.
The Tocantins toadfish, Potamobatrachus trispinosus, is one of the rarest fish species in Brazil. Since its discovery by Collette in 1995 was only known from its type locality, which was tragically submerged by the Tucurui Hydroelectric Dam. #TeamFish, #FishSci, #Fish, #Ichthyology
November 26, 2024 at 12:01 AM
The Tocantins toadfish, Potamobatrachus trispinosus, is one of the rarest fish species in Brazil. Since its discovery by Collette in 1995 was only known from its type locality, which was tragically submerged by the Tucurui Hydroelectric Dam. #TeamFish, #FishSci, #Fish, #Ichthyology
Reposted by Felipe Araújo
Estudo da USP revela que Pancs como ora-pro-nóbis, taioba e serralha têm valor nutricional superior a vegetais tradicionais, com destaque para proteínas e minerais essenciais
Ricos em proteínas e minerais, ora-pro-nóbis, taioba e serralha superam vegetais mais populares
Estudo da USP aponta que teores de minerais e de proteínas do ora-pro-nóbis, da taioba e da serralha são, na maioria das vezes, iguais ou superiores aos do espinafre
jornal.usp.br
November 25, 2024 at 2:03 PM
Estudo da USP revela que Pancs como ora-pro-nóbis, taioba e serralha têm valor nutricional superior a vegetais tradicionais, com destaque para proteínas e minerais essenciais
Reposted by Felipe Araújo
🎨 In case anyone need…
The NIH BioArt Source is an awesome library of *free* professionally drawn illustrations for scientific presentations or figures. Downloadable in HD. Thank you NIH for this invaluable tool 🙏!
Check it out 👇
bioart.niaid.nih.gov
The NIH BioArt Source is an awesome library of *free* professionally drawn illustrations for scientific presentations or figures. Downloadable in HD. Thank you NIH for this invaluable tool 🙏!
Check it out 👇
bioart.niaid.nih.gov
November 23, 2024 at 3:50 PM
🎨 In case anyone need…
The NIH BioArt Source is an awesome library of *free* professionally drawn illustrations for scientific presentations or figures. Downloadable in HD. Thank you NIH for this invaluable tool 🙏!
Check it out 👇
bioart.niaid.nih.gov
The NIH BioArt Source is an awesome library of *free* professionally drawn illustrations for scientific presentations or figures. Downloadable in HD. Thank you NIH for this invaluable tool 🙏!
Check it out 👇
bioart.niaid.nih.gov
Reposted by Felipe Araújo
Well this explains why Angel sharks are one of the most threatened shark species: genetics show very isolated populations despite neighbouring islands, with deep oceans likely acting as barriers to gene transfer. Means protecting just one population won't work
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Distinct management units for the Critically Endangered angelshark (Squatina squatina) revealed in the Canary Islands - Conservation Genetics
The angelshark, Squatina squatina, is listed as Critically Endangered on the IUCN Red List of Threatened Species, and remaining populations are highly fragmented throughout its historical distribution...
link.springer.com
November 24, 2024 at 2:49 AM
Well this explains why Angel sharks are one of the most threatened shark species: genetics show very isolated populations despite neighbouring islands, with deep oceans likely acting as barriers to gene transfer. Means protecting just one population won't work
link.springer.com/article/10.1...
link.springer.com/article/10.1...
My paper of the description of Hypancistrus parkateje was divulged in the Miami Herald.
www.miamiherald.com/news/nation-... #fish, #fishnews
www.miamiherald.com/news/nation-... #fish, #fishnews
November 23, 2024 at 3:00 AM
My paper of the description of Hypancistrus parkateje was divulged in the Miami Herald.
www.miamiherald.com/news/nation-... #fish, #fishnews
www.miamiherald.com/news/nation-... #fish, #fishnews
Mouth details of Leporacanthicus joselimai, a threatened species of Brazilian freshwater. #TeamFish, #FishSci, #Fish, #Ichthyology
November 21, 2024 at 8:34 PM
Mouth details of Leporacanthicus joselimai, a threatened species of Brazilian freshwater. #TeamFish, #FishSci, #Fish, #Ichthyology
Reposted by Felipe Araújo
New paper alert: A time-calibrated phylogeny of Neotropical freshwater fishes, the most diverse continental fauna on Earth.
Built from a supermatrix of 51 genomic markers for 3,167 species, the most species-rich phylogeny of this fauna to date.
frontiersin.org/journals/bio...
Built from a supermatrix of 51 genomic markers for 3,167 species, the most species-rich phylogeny of this fauna to date.
frontiersin.org/journals/bio...
November 20, 2024 at 1:58 PM
New paper alert: A time-calibrated phylogeny of Neotropical freshwater fishes, the most diverse continental fauna on Earth.
Built from a supermatrix of 51 genomic markers for 3,167 species, the most species-rich phylogeny of this fauna to date.
frontiersin.org/journals/bio...
Built from a supermatrix of 51 genomic markers for 3,167 species, the most species-rich phylogeny of this fauna to date.
frontiersin.org/journals/bio...
My first species description was published last week in Journal of Fish Biology.
We expanded Hypancistrus's distribution to the Tocantins watershed, presenting multilocus phylogeny and CT-scan images to support taxonomic positioning.
Find out more at: doi.org/10.1111/jfb....
We expanded Hypancistrus's distribution to the Tocantins watershed, presenting multilocus phylogeny and CT-scan images to support taxonomic positioning.
Find out more at: doi.org/10.1111/jfb....
A new species of Hypancistrus Isbrücker & Nijssen 1991 (Loricariidae, Siluriformes) from the rapids of the middle Rio Tocantins
The Hypancistrus genus is recognized in the Río Orinoco basin and Rio Xingu in the Guiana and Brazilian Shields, respectively. Some of its species are important in ornamental fishing. Despite this si...
doi.org
November 14, 2024 at 8:02 PM
My first species description was published last week in Journal of Fish Biology.
We expanded Hypancistrus's distribution to the Tocantins watershed, presenting multilocus phylogeny and CT-scan images to support taxonomic positioning.
Find out more at: doi.org/10.1111/jfb....
We expanded Hypancistrus's distribution to the Tocantins watershed, presenting multilocus phylogeny and CT-scan images to support taxonomic positioning.
Find out more at: doi.org/10.1111/jfb....
There are any fish researchers up here?
September 20, 2024 at 7:42 PM
There are any fish researchers up here?