Evidence map›Paper›PMID 32327561›Full record

ReviewThe Journal of experimental biology2020

Seeing the rainbow: mechanisms underlying spectral sensitivity in teleost fishes.

Karen L Carleton, Daniel Escobar-Camacho, Sara M Stieb, Fabio Cortesi, N Justin Marshall

Open access · bronzeAbstract readReview
In one paragraph

Review in The Journal of experimental biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed, 2 pooled it
5.8field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

56 citing papers in PubMed, 2 syntheses or guidelines pooled it, 130 citations in OpenAlex.

  1. Pooled it
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  6. The visual challenges of short-range navigation in teleost fish.The Journal of experimental biology · 2026
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  19. Is there direct photoentrainment in the goldfish liver? Wavelength-dependent regulation of clock genes and investigation of the opsin 7 family.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 3 countries.

Karen L CarletonDepartment of Biology, University of Maryland, College Park, MD 20742, USA kcarleto@umd.edu.ORCID 0000-0001-6306-5643
Daniel Escobar-CamachoDepartment of Biology, University of Maryland, College Park, MD 20742, USA.ORCID 0000-0001-6660-4331
Sara M StiebCentre of Ecology, Evolution and Biogeochemistry, EAWAG Swiss Federal Institute of Aquatic Science and Technology, 6047 Kastanienbaum, Switzerland.ORCID 0000-0001-7158-3934
Fabio CortesiQueensland Brain Institute, University of Queensland, Brisbane 4072 QLD, Australia.ORCID 0000-0002-7518-6159
N Justin MarshallQueensland Brain Institute, University of Queensland, Brisbane 4072 QLD, Australia.ORCID 0000-0001-9006-6713
The University of Queensland · AUUniversity of Maryland, College Park · USUniversity of Bern · CH

Funding

Evolutionary mechanisms controlling opsin gene expression variationR01EY024639 · NEI · UNIV OF MARYLAND, COLLEGE PARK · PI CARLETON, KAREN L · 2014 to 2020
$1.9M
NEI NIH HHS R01 EY024639
6 · The paper itself

Abstract

Among vertebrates, teleost eye diversity exceeds that found in all other groups. Their spectral sensitivities range from ultraviolet to red, and the number of visual pigments varies from 1 to over 40. This variation is correlated with the different ecologies and life histories of fish species, including their variable aquatic habitats: murky lakes, clear oceans, deep seas and turbulent rivers. These ecotopes often change with the season, but fish may also migrate between ecotopes diurnally, seasonally or ontogenetically. To survive in these variable light habitats, fish visual systems have evolved a suite of mechanisms that modulate spectral sensitivities on a range of timescales. These mechanisms include: (1) optical media that filter light, (2) variations in photoreceptor type and size to vary absorbance and sensitivity, and (3) changes in photoreceptor visual pigments to optimize peak sensitivity. The visual pigment changes can result from changes in chromophore or changes to the opsin. Opsin variation results from changes in opsin sequence, opsin expression or co-expression, and opsin gene duplications and losses. Here, we review visual diversity in a number of teleost groups where the structural and molecular mechanisms underlying their spectral sensitivities have been relatively well determined. Although we document considerable variability, this alone does not imply functional difference per se. We therefore highlight the need for more studies that examine species with known sensitivity differences, emphasizing behavioral experiments to test whether such differences actually matter in the execution of visual tasks that are relevant to the fish.

Indexed as

OpsinsVision, OcularAnimalsFishesRetinal PigmentsRod OpsinsOpsinsRetinal PigmentsRod OpsinsPhotoreceptorSpectral tuningVisual pigment

Identifiers

PMID32327561
PMCPMC7188444
OpenAlexW3018187768

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.