N. Justin Marshall

This study investigates visual plasticity in surgeonfishes by analyzing opsin gene expression across 22 species, revealing a deep phylogenetic split in visual systems that predates ecological diversification.

This study shows deep-sea fish larvae use a hybrid cone-rod photoreceptor type for vision in dim light, revealing an alternative developmental pathway for vertebrate vision.

This study investigates the development of ultraviolet sensitivity and colour patterns in damselfishes across ontogenetic stages using UV photography, phylogenetic analysis, and gene expression data.

The paper provides the first direct behavioural evidence of spectral opponency in stomatopod crustaceans, showing rows 1-4 function as multiple dichromatic channels for colour vision.

This study shows that reef fish can rapidly and reversibly adjust their retinal opsin expression and cell densities in response to short-term changes in light conditions.

The paper investigates visual system development in Holocentridae fish, showing ontogenetic shifts from photopic to scotopic vision with subfamily-specific adaptations.

This study compares neuroanatomical features between tropical cuttlefish and squid using MRI and histology, linking brain structure to ecological and behavioral differences.

The paper investigates the molecular evolution of UV-sensitive opsins in anemonefishes, identifying gene duplications and expression patterns that contribute to UV vision.

This study develops a CRISPR/Cas9 protocol for generating biallelic mutants in the anemonefish Amphiprion ocellaris, achieving high mutation efficiency and demonstrating loss-of-function phenotypes.

This study investigates the visual systems of Holocentridae fish, revealing a rod-dominated retina with multibank structures and potential for dim-light color vision.

The paper investigates how social selection maintains honest signaling in cichlid fish by manipulating facial coloration and observing receiver retaliation.