There are many fish species, and they are all unique, but they share the same basic anatomy. This includes the head, body, fins, gills, air bladder and lateral lines.

When Morello arrived, he, too, was overwhelmed by what he saw. "It was a massive fish kill," he says, the most serious he's seen in 25 years with the Florida Fish and Wildlife Conservation Commission.

The river roars in the heat of the summer. The water is clear and cool, and a respite from the high sun. An angler leans back ...

Remove the top male spotty fish and, within minutes, the next-in-line female morphs into the tank s new tyrant charging and nipping rivals while her body quietly begins a weeks-long transition to male ...

Johnson, who passed away in November 2024, was among the world’s preeminent experts on fish anatomy. ... 2022 in Review: The Year’s Top Discoveries by Museum Researchers. January 13, 2023.

The nickname 'platypus fish' stems from the fish's long beak, which resembles that of its mammal namesake, but the comparisons stop there. When paleontologist Gavin Young pulled several fossil ...

“This is the oldest jawed fish with known anatomy,” ZHU Min from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences said in a press release.