Ratfish have teeth on their foreheads
Hadal cold-seep methane-based ecosystem
https://www.sustainability-times.com/research/scientists-find-living-creatures-at-31000-feet-discovery-of-deepest-pacific-ocean-life-sparks-unthinkable-survival-debate/
Scholarly article
https://www.nature.com/articles/s41586-025-09317-z
Interesting factoid, makes sense but did they study more than one species of fish:
“A recent study has provided the first direct proof that mesopelagic fish, which make up as much as 94 percent of the world’s total fish biomass, release carbonate minerals at rates similar to fish living in shallower waters.”
https://scitechdaily.com/deep-sea-fish-are-secretly-shaping-earths-carbon-cycle/
Paleontology, evolution is the strangest thing, an evolutionarily early fish with suprising findings
https://www.popsci.com/environment/early-fish-jaw-norselaspis/
New Amazon fish species, a vegetarian piranha! Named after Sauron!
https://www.earth.com/news/myloplus-sauron-new-species-of-vegetarian-piranha-with-human-like-teeth/
New limpet species, yahoo summary:
https://www.yahoo.com/news/articles/scientists-shocked-deep-sea-expedition-234000589.html
Report of the limpet, “A new large-sized lepetid limpet from the abyssal northwestern Pacific is the deepest known patellogastropod” 5922 meters
https://zse.pensoft.net/article/156207/
Hammerheads eat other sharks, why?
https://www.mentalfloss.com/animals/fish/why-hammerheads-love-eating-sharks
New faunal barrier
Scientists Found a Mysterious Barrier in The Ocean That Jellyfish Won’t Cross
03 August 2025
Botrynema brucei ellinorae may look different depending where in the world it lives. (Dhugal Lindsay
Related: There’s an Invisible Line That Animals Don’t Cross. Here’s Why.



