Researchers have uncovered in anglerfish a specialized motor neuron population for the first dorsal fin used for 'fishing'. When the first dorsal fin evolved from a swimming and buoyancy aid to a ...
Frogfish have four fins located on their back, known as the dorsal fins, that play important roles in the fish’s lifecycle. The dorsal fins in the middle of the fish’s body are used for ...
Interestingly, however, those neurons are completely separate from the ones which issue commands to the fish’s other three dorsal fins, located in the lower side of its ventral horn, called the ...