Document Detail

Visual pigments in the early life stages of Pacific northwest marine fishes.
MedLine Citation:
PMID:  11511674     Owner:  NLM     Status:  MEDLINE    
Microspectrophotometry was used to measure the visual pigments in the rods and cones of 22 species of marine fish larvae netted from the surface waters off Friday Harbor Laboratories, Washington, USA. 13 species had rods, 12 of which contained visual pigments with a wavelength of maximum absorbance near 500 nm, while one, the sand lance (Ammodytes hexapterus), had its absorbance maximum at 482 nm. The 22 species of fish larvae possessed varied combinations of single, double and twin cones, ranging in peak absorbance from 353 nm to 584 nm. Of these, green-sensitive single cones were present in 20 of the 22 species, and were the dominant cone type. Double and twin cones were present in 13 of the species. Most common were identical green-sensitive (twin) cones (in 11 species). Green/yellow-sensitive double cones occurred in four species. In a single instance (Hemilepidotus hemilepidotus) twin blue-sensitive, twin green-sensitive and double blue/yellow-sensitive cones were recorded. Of particular interest was the finding that 18 of the species had ultraviolet- and/or violet-absorbing single cones. It has been suggested that short-wavelength photosensitivity may be beneficial for planktivory by extending the spectral range over which vision can occur. The high percentage (82%) of ultraviolet and violet visual pigments in Pacific northwest fish larvae supports the prediction that short-wavelength sensitivity may be common in marine fish larvae.
L L Britt; E R Loew; W N McFarland
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  The Journal of experimental biology     Volume:  204     ISSN:  0022-0949     ISO Abbreviation:  J. Exp. Biol.     Publication Date:  2001 Jul 
Date Detail:
Created Date:  2001-08-20     Completed Date:  2001-10-11     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0243705     Medline TA:  J Exp Biol     Country:  England    
Other Details:
Languages:  eng     Pagination:  2581-7     Citation Subset:  IM    
School of Aquatic and Fishery Sciences, University Washington, Seattle, WA 98195, USA.
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MeSH Terms
Aging / metabolism*
Animals, Newborn / growth & development,  metabolism*
Color Perception / physiology
Fishes / growth & development*,  metabolism*
Larva / metabolism
Marine Biology / methods
Northwestern United States
Oceans and Seas
Retinal Cone Photoreceptor Cells / metabolism
Retinal Pigments / metabolism*
Retinal Rod Photoreceptor Cells / metabolism
Ultraviolet Rays
Reg. No./Substance:
0/Retinal Pigments

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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