🎧 New Podcast Episode ! Ever wondered what secrets lie hidden in remote rivers of the Andes of northwestern La Plata Basin? Explore the evolution, discovery, and conservation of Corydoradinae catfishes including brand new genus Urkumayu! notebooklm.google.com/notebook/8680d…

We offer you free printable paper crafts. You can download these here for free. Please print on A4 size paper. Make it and have fun! fra.go.jp/forkids/kids_p…

🔬 Ancient climate changes and relaxed selection shape cave colonization in North American cavefishes. #Amblyopsidae 🔒 royalsocietypublishing.org/doi/10.1098/rs…

🔬 Placentas evolved nine times in the fish family Poeciliidae - Heterochronic changes in gene expression underlie placental evolution in the fish family Poeciliidae. 🔓 royalsocietypublishing.org/doi/10.1098/rs…

🔬 Researchers report the rediscovery of 𝐶𝑦𝑛𝑜𝑑𝑜𝑛𝑖𝑐ℎ𝑡ℎ𝑦𝑠 𝑚𝑦𝑒𝑟𝑠𝑖, in northern Yucatán mangroves , Mexico. This enigmatic species was described in 1936, and since then, no further collection of specimens have been reported. 🔒 onlinelibrary.wiley.com/doi/10.1111/jf…

#NewSpeciesAlert - 𝑅𝑦𝑝𝑡𝑖𝑐𝑢𝑠 𝑎𝑓𝑟𝑖𝑐𝑎𝑛𝑢𝑠, a new species of soapfish, is described from the eastern Atlantic Ocean, with a probable widespread distribution off the coast of West Africa. #Grammistidae 🔓 onlinelibrary.wiley.com/doi/10.1111/jf…

New chapter of sex determination, with sharks and rays! Our study, utilizing embryonic samples from aquariums, revealed the ancient sex chromosome origin and unique sex determination potentials. w/ Taiki Niwa and other talents Published today in PNAS pnas.org/doi/full/10.10…

Arizona residents (and #aquarists everywhere), are you aware that the state is proposing to ban #aquarium #fish like #GlassCatfish and #Arowana? The #PetAdvocacyNetwork (Pet Advocacy Network) is pushing back on your behalf! More details at amazonasmagazine.com/2025/07/25/pet…

The California Blind Goby (Typhologobius californiensis) goes through the normal stages of development; they even have eyes, and some pigment, as young fish. But as soon as the goby has found a burrow or submarine cave of its own, the eyes and the pigment degenerate.

琵琶湖に注ぐ川ではオイカワが美しい婚姻色を現わしていた