Do juvenile Amphiprion ocellaris (Pisces: Pomacentridae) recognize conspecifics by chemical or visual cues?

Thea Marie Brolund*, Lis Engdahl Nielsen, Michael Arvedlund

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Abstrakt

Juvenile anemonefish Amphiprion ocellaris were tested in two behavioural laboratory set-ups for their ability to visually or chemically recognize conspecifics. Individuals of two other species of anemonefish, A. clarkii and Dascyllus aruanus, were also used as test specimens for recognition. The results indicate that juvenile A. ocellaris recognize conspecifics visually rather than by olfaction. This is contrary to their finding mechanism of their host anemone. However, the results also indicate that the juvenile A ocellaris are neither attracted nor deterred by the presence of conspecifics. This is contrary to the settling mechanisms of the damselfish D. aruanus and D. reticulatus, and of the temperate herring Clupea harengus. Hence the results emphasize the variation of sensory abilities and behaviours in fish larvae and juveniles. It is not an area prone for generalizations.

OriginalsprogEngelsk
TidsskriftJournal of the Marine Biological Association of the United Kingdom
Vol/bind83
Udgave nummer5
Sider (fra-til)1127-1136
Antal sider10
ISSN0025-3154
DOI
StatusUdgivet - 1. okt. 2003

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