Rod visual pigment changes in the elver of the eel Anguilla anguilla L. measured by microspectrophotometry

P. Wood, J. C. Partridge, W. J. De Grip

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The visual pigments in the retinal rods of elvers (Anguilla anguilla L.) were examined by microspectrophotometry and high performance liquid chromatography. The glass elver stage had a mixture of rhodopsin P5011 and porphyropsin P5232 with the former predominating (P5011:P5232= c. 60:40). More mature pigmented elvers had a predominance of the porphyropsin P5232 (P5011:P5232= c. 10:90). The shift between the proportions of each pigment was monitored over a 7‐month period and was shown to occur in individual retinal rods. This shift is a reverse of the pigment shift that occurs in adult eels during their downstream migration.

Original languageEnglish
Pages (from-to)601-611
Number of pages11
JournalJournal of Fish Biology
Volume41
Issue number4
DOIs
Publication statusPublished - 1 Jan 1992
Externally publishedYes

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