Morphology and cytology of the olfactory organs in small juvenile Dascyllus aruanus and Amphiprion ocellaris (Pisces: Pomacentridae)

Michael Arvedlund*, Thea Marie Brolund, Lis Engdahl Nielsen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The olfactory organs in juvenile Dascyllus aruanus and Amphiprion ocellaris, studied by scanning and transmission electron microscopy (SEM and TEM), consisted of two bilaterally radial rosettes per specimen, fan-shaped, located medio-ventrally, one in each of two olfactory chambers. In D. aruanus the rosette comprises six lamellae, three on each side of a midline raphe; in A. ocellaris 12 lamellae, six on each side. In both species, the sensory regions in the lamellae are continuous, except for the margin of the lamellae, and richly covered with stereocilia. Areas with juvenile bipolar receptor cells were observed in both species. Two dissimilar types of olfactory receptor cells in the sensory epithelium: ciliated and microvillous were observed.

Original languageEnglish
JournalJournal of the Marine Biological Association of the United Kingdom
Volume83
Issue number6
Pages (from-to)1321-1326
Number of pages6
ISSN0025-3154
DOIs
Publication statusPublished - 1. Dec 2003

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