How do follower reef fishes find nuclear fishes?
Krajewski, João Paulo (2009) How do follower reef fishes find nuclear fishes? Environmental Biology of Fishes, 86 (3). pp. 379-387.
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Abstract
Among reef fishes, it is common for “follower” individuals to accompany “nuclear” species and to feed on prey uncovered by their foraging. In this study, I examine the cues used by followers to find nuclear fish. A model of a ubiquitous nuclear fish was maintained immobile or moved to disturb the substratum and the number of fish species and individuals attracted was compared to control treatments. The results showed that: 1) bottom disturbance was the strongest attraction factor for follower reef fishes; 2) visual features of the nuclear also attracted follower reef fishes; 3) there was no evidence of an interaction between bottom disturbance and nuclear fish appearance in the attraction of followers, supporting the idea that both factors independently elicit following behaviour by reef fishes.
| Item ID: | 7867 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1573-5133 |
| Keywords: | foraging associations, following behaviour, substratum disturbance, Pseudupeneus maculatus, goatfishes, Fernando de Noronha Archipelago, marine biology |
| Date Deposited: | 17 Dec 2009 01:16 |
| FoR Codes: | 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 100% |
| SEO Codes: | 96 ENVIRONMENT > 9605 Ecosystem Assessment and Management > 960501 Ecosystem Assessment and Management at Regional or Larger Scales @ 100% |
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