This Deep-Sea Fish Has the Most Types of Opsins Among Vertebrates

The silver spinyfin has an extraordinary diversity of rod photopigments, which researchers propose may allow it to see color in the deep, dark sea.

Schematic outline of the phototransduction cascade in a vertebrate

The shortest- and longest-wavelength opsins have the greatest sequence

Opsin gene expression from all species surveyed. Triangle plots

The evolution of the green-light-sensitive visual opsin genes (RH2) in teleost fishes - ScienceDirect

The vertebrate ancestral repertoire of visual opsins, transducin alpha subunits and oxytocin/vasopressin receptors was established by duplication of their shared genomic region in the two rounds of early vertebrate genome duplications

The evolutionary history and spectral tuning of vertebrate visual opsins - ScienceDirect

New type of highly sensitive vision discovere

Deep Sea Fish Encyclopedia MDPI

Vertebrate Ancient-Long Opsin: A Green-Sensitive Photoreceptive Molecule Present in Zebrafish Deep Brain and Retinal Horizontal Cells

Light environment drives evolution of color vision genes in butterflies and moths