Nathan S Hart

Summary

Affiliation: University of Queensland
Country: Australia

Publications

  1. ncbi Multiple cone visual pigments and the potential for trichromatic colour vision in two species of elasmobranch
    Nathan S Hart
    Vision, Touch and Hearing Research Centre Queensland Brain Institute, University of Queensland, Brisbane, Queensland 4072, Australia
    J Exp Biol 207:4587-94. 2004
  2. ncbi Red fluorescence in reef fish: a novel signalling mechanism?
    Nico K Michiels
    Faculty of Biology, University of Tubingen, Auf der Morgenstelle 28, 72076 Tubingen, Germany
    BMC Ecol 8:16. 2008
  3. ncbi Cone photoreceptor oil droplet pigmentation is affected by ambient light intensity
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia
    J Exp Biol 209:4776-87. 2006
  4. ncbi Visual ecology of the Australian lungfish (Neoceratodus forsteri)
    Nathan S Hart
    School of Biomedical Sciences, The University of Queensland, Brisbane, QLD 4072, Australia
    BMC Ecol 8:21. 2008
  5. ncbi Modelling oil droplet absorption spectra and spectral sensitivities of bird cone photoreceptors
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, QLD 4072, Australia
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 191:381-92. 2005
  6. ncbi Microspectrophotometry of visual pigments and oil droplets in a marine bird, the wedge-tailed shearwater Puffinus pacificus: topographic variations in photoreceptor spectral characteristics
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia
    J Exp Biol 207:1229-40. 2004
  7. ncbi Avian visual pigments: characteristics, spectral tuning, and evolution
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia
    Am Nat 169:S7-26. 2007
  8. ncbi Vision in the southern hemisphere lamprey Mordacia mordax: spatial distribution, spectral absorption characteristics, and optical sensitivity of a single class of retinal photoreceptor
    Shaun P Collin
    Department of Anatomy and Developmental Biology, School of Biomedical Sciences, The University of Queensland, Queensland, Australia
    Vis Neurosci 21:765-73. 2004
  9. ncbi Interspecific visual adaptations among wobbegong sharks (Orectolobidae)
    Susan M Theiss
    University of Queensland, Brisbane, Australia
    Brain Behav Evol 76:248-60. 2010
  10. ncbi A spitting image: specializations in archerfish eyes for vision at the interface between air and water
    Shelby Temple
    Sensory Neurobiology Group, School of Biomedical Sciences, The University of Queensland, St Lucia, Queensland 4072, Australia
    Proc Biol Sci 277:2607-15. 2010

Detail Information

Publications27

  1. ncbi Multiple cone visual pigments and the potential for trichromatic colour vision in two species of elasmobranch
    Nathan S Hart
    Vision, Touch and Hearing Research Centre Queensland Brain Institute, University of Queensland, Brisbane, Queensland 4072, Australia
    J Exp Biol 207:4587-94. 2004
    ....
  2. ncbi Red fluorescence in reef fish: a novel signalling mechanism?
    Nico K Michiels
    Faculty of Biology, University of Tubingen, Auf der Morgenstelle 28, 72076 Tubingen, Germany
    BMC Ecol 8:16. 2008
    ..However, previous studies ignore the fact that several marine organisms, including deep sea fish, produce their own red luminescence and are capable of seeing it...
  3. ncbi Cone photoreceptor oil droplet pigmentation is affected by ambient light intensity
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia
    J Exp Biol 209:4776-87. 2006
    ..This might also explain why nocturnal animals, or those that underwent a nocturnal phase during their evolution, have evolved oil droplets with low pigment densities or no pigmentation or have lost their oil droplets altogether...
  4. ncbi Visual ecology of the Australian lungfish (Neoceratodus forsteri)
    Nathan S Hart
    School of Biomedical Sciences, The University of Queensland, Brisbane, QLD 4072, Australia
    BMC Ecol 8:21. 2008
    ..In this study, we investigated the visual system and visual ecology of the Australian lungfish Neoceratodus forsteri, which is the most primitive of all the lungfish and possibly the closest living relative to the ancestors of tetrapods...
  5. ncbi Modelling oil droplet absorption spectra and spectral sensitivities of bird cone photoreceptors
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, QLD 4072, Australia
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 191:381-92. 2005
    ....
  6. ncbi Microspectrophotometry of visual pigments and oil droplets in a marine bird, the wedge-tailed shearwater Puffinus pacificus: topographic variations in photoreceptor spectral characteristics
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia
    J Exp Biol 207:1229-40. 2004
    ..Measurements of the spectral transmittance of the ocular media reveal that wavelengths down to at least 300 nm would be transmitted to the retina...
  7. ncbi Avian visual pigments: characteristics, spectral tuning, and evolution
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, Brisbane, Queensland 4072, Australia
    Am Nat 169:S7-26. 2007
    ..This has occurred independently in four of the 14 avian orders examined to date, although the adaptive significance of this is currently unknown...
  8. ncbi Vision in the southern hemisphere lamprey Mordacia mordax: spatial distribution, spectral absorption characteristics, and optical sensitivity of a single class of retinal photoreceptor
    Shaun P Collin
    Department of Anatomy and Developmental Biology, School of Biomedical Sciences, The University of Queensland, Queensland, Australia
    Vis Neurosci 21:765-73. 2004
    ....
  9. ncbi Interspecific visual adaptations among wobbegong sharks (Orectolobidae)
    Susan M Theiss
    University of Queensland, Brisbane, Australia
    Brain Behav Evol 76:248-60. 2010
    ..While all 4 species have visual systems optimised for increased visual sensitivity, O. maculatus and O. parvimaculatus appear to be particularly well suited to activity under low light conditions...
  10. ncbi A spitting image: specializations in archerfish eyes for vision at the interface between air and water
    Shelby Temple
    Sensory Neurobiology Group, School of Biomedical Sciences, The University of Queensland, St Lucia, Queensland 4072, Australia
    Proc Biol Sci 277:2607-15. 2010
    ....
  11. ncbi Colour vision and visual ecology of the blue-spotted maskray, Dasyatis kuhlii Müller & Henle, 1814
    Susan M Theiss
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
    J Comp Physiol A Neuroethol Sens Neural Behav Physiol 193:67-79. 2007
    ..Based on peak cell densities and using measurements of lens focal length made using laser ray tracing and sections of frozen eyes, the estimated spatial resolving power of D. kuhlii is 4.10 cycles per degree...
  12. ncbi Comparative retinal anatomy in four species of elasmobranch
    Nicole L Schieber
    School of Biomedical Sciences, The University of Queensland, St Lucia, QLD 4072, Australia
    J Morphol 273:423-40. 2012
    ..This trend may reflect fundamental differences in visual temporal resolution between active and more sedentary species...
  13. ncbi Electric field detection in sawfish and shovelnose rays
    Barbara E Wueringer
    The University of Queensland, School of Biomedical Sciences, Brisbane, Queensland, Australia
    PLoS ONE 7:e41605. 2012
    ..The elongation of the sawfish's rostrum clearly expanded their electroreceptive search area into the water column and enables them to target free-swimming prey...
  14. ncbi Vision in the peafowl (Aves: Pavo cristatus)
    Nathan S Hart
    Vision, Touch and Hearing Research Centre, School of Biomedical Sciences, The University of Queensland, Brisbane, Australia
    J Exp Biol 205:3925-35. 2002
    ..6 cycles degrees(-1). These properties of the peafowl eye are discussed with respect to its visual ecology and are compared with those of other closely related species...
  15. ncbi Mimicry, colour forms and spectral sensitivity of the bluestriped fangblenny, Plagiotremus rhinorhynchos
    Karen L Cheney
    School of Integrative Biology, The University of Queensland, St Lucia, Queensland 4072, Australia
    Proc Biol Sci 276:1565-73. 2009
    ..Therefore, colour vision could be used by fangblennies when initiating colour change enabling them to accurately resemble fishes they associate with and to avoid detection by signal receivers...
  16. ncbi Morphology and spectral absorption characteristics of retinal photoreceptors in the southern hemisphere lamprey (Geotria australis)
    Shaun P Collin
    Department of Anatomy and Developmental Biology, School of Biomedical Sciences, The University of Queensland, Brisbane 4072, Queensland, Australia
    Vis Neurosci 20:119-30. 2003
    ..The functional significance of the unique visual system of Geotria is discussed in relation to its life cycle and the potential for color vision...
  17. ncbi Optimal preservation of the shark retina for ultrastructural analysis: an assessment of chemical, microwave, and high-pressure freezing fixation techniques
    Blake K Harahush
    School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia blake chapman uq edu au
    Microsc Res Tech 75:1218-28. 2012
    ..Both MCF and HPF produced superior retinal ultrastructure compared to conventional CF. Although HPF occasionally resulted in very high quality ultrastructure, microwave fixation was almost comparable, quicker and far more consistent...
  18. ncbi Retinal neurogenesis and ontogenetic changes in the visual system of the brown banded bamboo shark, Chiloscyllium punctatum (Hemiscyllidae, Elasmobranchii)
    Blake K Harahush
    School of Biomedical Sciences, University of Queensland, Brisbane, Queensland, Australia
    J Comp Neurol 513:83-97. 2009
    ..punctatum make it a highly valuable model for developmental studies of the visual system. This study also provides an evolutionary perspective on retinal neurogenesis in an elasmobranch...
  19. ncbi Morphological indicators of olfactory capability in Wobbegong sharks (Orectolobidae, Elasmobranchii)
    Susan M Theiss
    The University of Queensland, School of Biomedical Sciences, Brisbane, QLD, Australia
    Brain Behav Evol 73:91-101. 2009
    ..Interspecific differences in olfactory ability within this group of benthic ambush predators could indicate relative differences in prey detection, intraspecific recognition and mate detection...
  20. ncbi The evolution of early vertebrate photoreceptors
    Shaun P Collin
    School of Biomedical Sciences, The University of Queensland, Brisbane 4072, Queensland, Australia
    Philos Trans R Soc Lond B Biol Sci 364:2925-40. 2009
    ....
  21. ncbi Behavioural evidence for colour vision in an elasmobranch
    Sarah M Van-Eyk
    School of Biomedical Sciences, The University of Queensland, Brisbane, QLD 4072, Australia
    J Exp Biol 214:4186-92. 2011
    ..The ability to discriminate colours may have a strong selective advantage for animals living in an aquatic ecosystem, such as rays, as a means of filtering out surface-wave-induced flicker...
  22. ncbi The function of the sawfish's saw
    Barbara E Wueringer
    The University of Queensland, School of Biomedical Sciences, Sensory Neurobiology Group, Brisbane, QLD, Australia The University of Western Australia, School of Animal Biology and the UWA Oceans Institute, Crawley, WA, Australia
    Curr Biol 22:R150-1. 2012
    ..Prey encountered in the water column is attacked with lateral swipes of the saw that can stun and/or impale it. We compare sawfish to shovelnose rays, which share a common shovelnose ray-like ancestor [3] and lack a saw...
  23. ncbi Retinal characteristics of the ornate dragon lizard, Ctenophorus ornatus
    Helen R Barbour
    Department of Zoology, University of Western Australia, Crawley WA 6009, Australia
    J Comp Neurol 450:334-44. 2002
    ..The presence of a fovea containing slender cone photoreceptors and three visual pigments suggests that the lizard has high acuity and the potential for color vision...
  24. ncbi Developmental changes in the cone visual pigments of black bream Acanthopagrus butcheri
    Julia Shand
    Department of Zoology, University of Western Australia, WA 6009, Australia
    J Exp Biol 205:3661-7. 2002
    ....
  25. ncbi Spectral sensitivities of the seahorses Hippocampus subelongatus and Hippocampus barbouri and the pipefish Stigmatopora argus
    Virginia Mosk
    School of Animal Biology, University of Western Australia, Western Australia
    Vis Neurosci 24:345-54. 2007
    ..The influence of the specialized feeding regime of the syngnathids is discussed in relation to our findings that ultra-violet sensitivity is apparently not necessary for zooplanktivory in certain habitats...
  26. ncbi Cone topography and spectral sensitivity in two potentially trichromatic marsupials, the quokka (Setonix brachyurus) and quenda (Isoodon obesulus)
    Catherine A Arrese
    School of Animal Biology, University of Western Australia, 35 Stirling Highway, Crawley 6009, Australia
    Proc Biol Sci 272:791-6. 2005
    ..The presence of three cone types, along with previous findings in the fat-tailed dunnart and honey possum, suggests that three spectrally distinct cone types are a feature spanning the marsupials...
  27. ncbi Trichromacy in Australian marsupials
    Catherine A Arrese
    Department of Zoology WAIMR, University of Western Australia, WA 6009, Crawley, Australia
    Curr Biol 12:657-60. 2002
    ..It is the first evidence for the basis of trichromatic color vision in mammals other than primates. We suggest that Australian marsupials have retained an ancestral visual pigment that has been lost from placental mammals...