Zebrafish their larval stages. In 2011, the British Heart Foundation ran an advertising campaign publicising its intention to study the applicability of this ability to humans, stating that it aimed to raise £50 million in research funding. Zebrafish have also been found to regenerate photoreceptor cells and retinal neurons following injury, which has been shown to be mediated by the dedifferentiation and proliferation of Müller glia. Researchers frequently amputate the dorsal and ventral tail fins and analyze their regrowth to test for mutations. It has been found that histone demethylation occurs at the site of the amputation, switching the zebrafish's cells
Tropical striped triplefin Tropical striped triplefin Helcogramma striatum, commonly called the tropical striped triplefin, the striped threefin or the neon triplefin, is a triplefin blenny of the genus "Helcogramma", native from the central Indo-Pacific. The tropical striped triplefin is a small fish that can reach a maximum length of 4 cm. The body is thin, more or less cylindrical section and relatively elongated, its mouth is terminal. The ventral side of this fish is whitish. The rest of its body is red with white stripes running the length of its body and it has also white spots between the eyes. The fins are