Why do discus need 28 to 30°C while goldfish like it cool? Most fish are cold-blooded, so the water sets their body temperature. Fish Bodies, 3 of 9: youtu.be/JipwGS3qTtY #fishkeeping #fishbiology

Why do discus need 28 to 30°C while goldfish like it cool? Most fish are cold-blooded, so the water sets their body temperature. Fish Bodies, 3 of 9: youtu.be/JipwGS3qTtY #fishkeeping #fishbiology
Is the lateral line a real sixth sense? Tiny hair cells under that line let fish feel moving water, which helps them school, hunt and escape. Fish Bodies, 2 of 9: youtu.be/CSpaF84NsYo #fishkeeping #fishbiology
How do fish breathe in water with 30 times less oxygen than air? The trick is blood and water flowing in opposite directions across the gills. Fish Bodies, 1 of 9: youtu.be/5UCGWmPn2XA #fishkeeping #fishbiology
📰Research article:
🐟Air exposure durations influence post-release swimming activity of Muskellunge (Esox masquinongy)
📝Dr. Luc LaRochelle @luclarochelle.bsky.social team
doi.org/10.1016/j.ade.2026.100011
#FishBiology #Biologging #Catch-and-release #Fishing #Muskellunge
Just Published 📰Effects of experimentally manipulated cortisol and nutrition on wound healing capacity in a teleost fish
✒️Zolderdo et al. Carleton University
🔗https://ow.ly/54Yi50ZOImP
📷Fig. 2: Wound closure over time across treatment groups
Just Published 📰Evidence of positive fitness for asymmetric armor phenotypes in stickleback
✒️Reimchen and Nosil University of Victoria
🔗https://ow.ly/OTcn50ZKGcY
📷Fig 3: Predator-prey schematic