Conservación Biológica

Cuerpo académico de la @uaem dedicado al desarrollo de investigaciones e implementación de acciones para la conservación de la biodiversidad

[Conservación Biológica @ConservacionB]

Revisando nuestras nuevas instalaciones para la conservación ex situ de peces dulceacuícolas amenazados. Estas en la @eesjicarero y parte del Laboratorio para la conservación de biodiversidad dulceacuícola/ Our new ex situ Conservation facility at @eesjicarero

[Fish in the News @FishInTheNews]

#NewSpeciesAlert - 𝐾𝑛𝑜𝑑𝑢𝑠 𝑡𝑟𝑎𝑛𝑠𝑎𝑛𝑑𝑒𝑎𝑛𝑢𝑠, a new species of characin (Stevardiidae), is described from the río Magdalena basin, Colombia. The new species represents the only known record of the genus from the Magdalena basin and is recovered as sister to a strictly Amazonian clade.

🔓 https://t.co/ZGNPGBYmCC

𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵 𝗧��𝘁𝗹𝗲
A relict from the water: a new species from the río Magdalena basin (Colombia) of the mostly cis-Andean diversified genus 𝐾𝑛𝑜𝑑𝑢𝑠 (Characiformes: Stevardiidae)

𝗖𝗶𝘁𝗮𝘁𝗶𝗼𝗻
Albornoz-Garzón, J. G., Pulido-Santacruz, P., García-Melo, J. E., Torres, M., & DoNascimiento, C.. (2026). A relict from the water: a new species from the río Magdalena basin (Colombia) of the mostly cis-Andean diversified genus 𝐾𝑛𝑜𝑑𝑢𝑠 (Characiformes: Stevardiidae). Neotropical Ichthyology, 24(2), e250170. https://t.co/kwbzPz3GMp

𝗔𝗯𝘀𝘁𝗿𝗮𝗰𝘁
A new stevardiid species from the río Magdalena basin (Colombia) is identified as belonging to the mostly cis-Andean genus 𝐾𝑛𝑜𝑑𝑢𝑠, based on a comprehensive multilocus phylogenetic analysis of Stevardiidae. The new species represents the only known record of the genus from the Magdalena basin and is recovered as sister to a strictly Amazonian clade.

The new species is diagnosed by a unique combination of meristic, morphometric, external, and osteological characters. Furthermore, a detailed osteological description of the new species is presented. Based on an assessment of the taxonomic distribution of putative synapomorphies of 𝐾𝑛𝑜𝑑𝑢𝑠 in Colombian species, 𝐵𝑟𝑦𝑐𝑜𝑛𝑎𝑚𝑒𝑟𝑖𝑐𝑢𝑠 𝑚𝑜𝑡𝑎𝑡𝑎𝑛𝑒𝑛𝑠𝑖𝑠 is proposed to be reallocated to 𝐾𝑛𝑜𝑑𝑢𝑠.

The restricted distribution of the new species in a single tributary of the middle basin of the río Magdalena, suggests its relict presence in the Magdalena basin.

𝗘𝘁𝘆��𝗼𝗹𝗼𝗴𝘆
The specific epithet alludes to the distribution of this species, being the first species reported from the río Magdalena basin.

𝗣𝗵𝗼𝘁𝗼 𝗖𝗿𝗲𝗱𝗶𝘁
Top - 𝐾𝑛𝑜𝑑𝑢𝑠 𝑡𝑟𝑎𝑛𝑠𝑎𝑛𝑑𝑒𝑎𝑛𝑢𝑠, IAvH-P-17731, paratype, living specimen immediately before preservation. Photograph by Felipe Villegas.
Bottom - Map of northwestern portion of South America showing distribution of 𝐾𝑛𝑜𝑑𝑢𝑠 recorded from Colombia based in specimens from museum lots. Amber yellow: 𝐾. 𝑎𝑙𝑝ℎ𝑎. Brown: 𝐾. 𝑐𝑖𝑛𝑎𝑟𝑢𝑐𝑜𝑒𝑛𝑠𝑖𝑠. Dark blue: 𝐾. 𝑑𝑒𝑢𝑡𝑒𝑟𝑜𝑑𝑜𝑛𝑜𝑖𝑑𝑒𝑠. Pink: 𝐾. 𝑔𝑎𝑚𝑚𝑎. White: 𝐾. ℎ𝑦𝑝𝑜𝑝𝑡𝑒𝑟𝑢𝑠. Gray: type locality of 𝐾. ℎ𝑦𝑝𝑜𝑝𝑡𝑒𝑟𝑢𝑠 and 𝐾. 𝑜𝑟𝑡𝑒𝑔𝑢𝑎𝑠𝑎𝑒. Orange: 𝐾. 𝑚𝑎𝑐𝑎𝑟𝑒𝑛𝑎𝑒. Red: 𝐾. 𝑚𝑎����𝑟𝑜𝑝ℎ𝑡ℎ𝑎𝑙𝑚𝑢𝑠. Light blue: 𝐾. 𝑚𝑒𝑟𝑖𝑑𝑎𝑒. Purple: 𝐾. 𝑚𝑜𝑡𝑎𝑡𝑎𝑛𝑒𝑛𝑠𝑖𝑠. Black: 𝐾. 𝑜𝑟𝑡𝑒𝑔𝑢𝑎𝑠𝑎𝑒. Brown: 𝐾. 𝑠𝑒𝑝𝑡𝑒𝑛𝑡𝑟𝑖𝑜𝑛𝑎𝑙𝑖𝑠. Yellow: 𝐾. 𝑡𝑟𝑎𝑛𝑠𝑎𝑛𝑑𝑒𝑎𝑛𝑢𝑠. Stars correspond to type-localities.

© 2026 the Author(s). Published in the journal Neotropical Ichthyology. An open-access article, distributed under the terms of the Creative Commons Attribution 4.0 International (CC-BY-4.0) deed. https://t.co/5IYEkz4Rwi

#NewSpecies #Ichthyology #Taxonomy #Biodiversity #AquariumHobby #Fishkeeping #Aquarist #TropicalFish #FishTank #Knodus #Tetra #Tetras #Characin #TransAndean #ríoMagdalena #Characiformes #Stevardiidae #Colombia #Bryconamericus #Stevardiid

[Fish in the News @FishInTheNews]

#NewSpeciesAlert - 𝐺𝑜𝑏𝑖𝑜𝑑𝑜𝑛 𝑙𝑖𝑚𝑚𝑜𝑛𝑖, a new coral-associated goby (Gobiidae) is described from the Moluccas, eastern Indonesia. #TeamGoby
🔓 https://t.co/lqTM8yKajG

[Fish in the News @FishInTheNews]

#NewSpeciesAlert - 𝑅ℎ𝑎𝑑𝑖𝑛𝑜𝑙𝑜𝑟𝑖𝑐𝑎𝑟𝑖𝑎 𝑦𝑎𝑛𝑜𝑚𝑎𝑚𝑖 and 𝑅ℎ𝑎𝑑𝑖𝑛𝑜𝑙𝑜𝑟𝑖𝑐𝑎𝑟𝑖𝑎 𝑦𝑒𝑘𝑢𝑎𝑛𝑎, two new species of whiptail catfishes (Loricariinae) are described from the Orinoco River basin in Venezuela.
🔒 https://t.co/PjA3Ti9g7G

[Rajeev Raghavan @LabRajeev]

Ghosts beneath our feet! Meet the first species of groundwater-dwelling fish from Northeast India
The tiny and blind Gitchak nakana
#Assam #NortheastIndia
@Goalpara

https://t.co/neUdXdo6Ub

[Rajeev Raghavan @LabRajeev]

Stay tuned for a systematic conservation action plan for securing the future of the iconic humpbacked mahseer Tor remadevii, in Kerala!
#mahseer #criticallyendangered #WesternGhats #freshwaterfish

@KUFOS1 @stevenlockett @aidypinder @ForestKerala @KeralaSBB

[IUCN @IUCN]

From successful #conservation results to respect for the local community, the #IUCNGreenList sets the standard for protected and conserved areas.

Explore the sites on the IUCN Green List https://t.co/DkQXM9vGVm

[IUCN @IUCN]

Invasive alien species (IAS) are one of the biggest causes of biodiversity loss and species extinctions, and #ClimateChange compounds the problem.

It is essential that IAS be incorporated into climate change policies.

Our Issues Brief explains https://t.co/w9Q61JYK7z

[Fish in the News @FishInTheNews]

An informative identification guide to the Rhamphochromina and non-endemic cichlids of Lake Malawi. This 149-page volume is Part 3 of three ID guides which cover all the cichlids of Lake Malawi.
🔗 https://t.co/16X8uAOi2g

[IUCN @IUCN]

There was great news from the latest @IUCNRedList update as the green sea turtle improved in status from Endangered to Least Concern.

Decades of sustained #conservation action are behind the improvement.

Learn more https://t.co/G0z1gDXfdl

[Ríos con Vida @riosconvida]

Si compartes nuestra pasión por los ríos y su medio ambiente, forma parte de esta aventura y participa activamente en la defensa de los ecosistemas fluviales.
Únete desde esté enlace ⤵️
https://t.co/MN3gFIdVhB

[Roger Waters ✊ @rogerwaters]

#Venezuela #NicolasMaduro

[Convention on Wetlands @RamsarConv]

💚 WORLD WETLANDS DAY 💚 2 February 2026

This year’s theme is "Wetlands and traditional knowledge: Celebrating cultural heritage." Be part of the global celebration!

https://t.co/k3BBRPLXb3

#WorldWetlandsDay #CelebratingWetlands #WorldWetlandsDay2026

[Fish in the News @FishInTheNews]

#NewSpeciesAlert - 𝑂𝑟𝑦𝑧𝑖𝑎𝑠 𝑐𝑎𝑏𝑎𝑟𝑎𝑛𝑒𝑛𝑠𝑖𝑠, a new species of ricefish, is described from Yilan County, northern Taiwan.
🔓 https://t.co/CBhH0Sf1dI

[Convention on Wetlands @RamsarConv]

The Convention on Wetlands is committed to providing its Contracting Parties with practical, actionable guidance on advancing wetland conservation.

In this context, the Secretariat’s national wetland inventories (NWIs) support mechanism for Contracting Parties is taking important steps to promote the wide sharing of essential knowledge on the implementation and updating of NWIs.

A webinar on implementing a structured National Wetland Inventory process will be held online tomorrow, 16 December 2025, from 13:00 to 14:00 CET.

Details: https://t.co/d77WWWh4eq

Learn more: https://t.co/XXPeipJ0H5

#NationalWetlandInventories #WetlandsMatter #NWIs

[IUCN @IUCN]

The Amazon holds one of the world’s largest continuous mangrove ecosystems, sustaining thousands of families for generations.

But rising seas, stronger tides, and rapid erosion are reshaping Marajó Island near Belém—putting people and nature at risk.

Our #COP30 feature shows how low-cost innovation and traditional knowledge are helping communities adapt to a changing coastline.

https://t.co/zmI5srFZtP

#TECH4ALL #Tech4Nature @HUAWEI_TECH4ALL @UICN_SUR

[Fish in the News @FishInTheNews]

#NewSpeciesAlert - 𝑆𝑖𝑛𝑜𝑐𝑦𝑐𝑙𝑜𝑐ℎ𝑒𝑖𝑙𝑢𝑠 𝑐ℎ𝑎𝑛𝑔𝑙𝑒𝑛𝑠𝑖𝑠, a new species of eyeless cavefish is described from the limestone landscapes of Guangxi Zhuang Autonomous Region in southwestern China, one of the world's largest karst regions.
🔓 https://t.co/5M36zK0UzH

[Convention on Wetlands @RamsarConv]

🌿Wetlands are some of our most productive ecosystems. Without these ecosystem services, we cannot survive.

💧They are also dynamic habitats, shaped by the water that flows through them, connecting ecosystems and social systems alike.

#SpeakForWetlands #WetlandsMatter

[IUCN @IUCN]

Despite being one of our most valuable ecosystems for people and #nature, wetlands are Earth’s most threatened #ecosystem.

@RAMSARCONV

[IUCN @IUCN]

🌍 At the recent #IUCNcongress IUCN Members adopted the 20-Year Strategic Vision and four-year Programme, a powerful framework to guide global conservation action through 2030 and beyond.

With the strength of our global Union, this roadmap will drive impact from climate resilience and sustainable food systems to regenerative blue economies and water stewardship and more, delivering on the 🌿 Global Biodiversity Framework, 🌍 Paris Agreement, and 🎯 SDGs.

🔗 Learn more: https://t.co/vCgpIPrT6q

#Conservation #NatureForAll

[Convention on Wetlands @RamsarConv]

✨Introducing Voices for Wetlands!

Meet Dayana Blanco Quiroga, an Indigenous Aymara woman from Bolivia and a driving force behind the Uru Uru Team, a grassroots initiative dedicated to restoring Lake Uru Uru in central-western Bolivia.

#VoicesforWetlands #WetlandsWednesday