Juvenile convict cichlids (Archocentrus nigrofasciatus) allocate foraging and antipredator behaviour in response to temporal variation in predation risk

Behaviour ◽  
2005 ◽  
Vol 142 (2) ◽  
pp. 129-144 ◽  
Author(s):  
Patricia E. Foam ◽  
Reehan S. Mirza ◽  
Douglas P. Chivers ◽  
Grant E. Brown
Keyword(s):  
Temporal Variation ◽  
Predation Risk ◽  
Antipredator Behaviour ◽  
Archocentrus Nigrofasciatus ◽  
Convict Cichlids

The fish that cried wolf: the role of parental care in novel predator recognition in juvenile convict cichlids (Amatitlania siquia)

Behaviour ◽  
2016 ◽  
Vol 153 (8) ◽  
pp. 963-980 ◽  
Author(s):  
Layla Al-Shaer ◽  
Timothy Paciorek ◽  
Zachary Carroll ◽  
Murray Itzkowitz
Keyword(s):  
Antipredator Behaviour ◽  
Unique Form ◽  
Treatment Groups ◽  
Convict Cichlids ◽  
Predator Learning ◽  
Parental Ability ◽  
Experimental Group ◽  
Predator Odour ◽  
Amatitlania Siquia

This study tested if convict cichlids (Amatitlania siquia) with prior predator experience could socially transfer their predator knowledge to their offspring. Prior to reproduction, pairs were assigned to either an experimental or control associative learning treatment, and given novel predator odour from a wolf cichlid (Parachromis dovii) paired with either alarm cue or water respectively. We hypothesized that upon re-exposure to the odour, experimental pairs would socially transfer their acquired predator knowledge to their naïve offspring, which in turn would exhibit antipredator behaviour. While fry from both treatment groups did not show a difference in shoal formation, there is some evidence to suggest a trend in the experimental group regarding parental ability to transfer information to offspring and influence shoal behaviour. When tested individually, experimental fry decreased their activity more than control fry in the presence of the predator odour. This study provides evidence of a unique form of predator learning between parents and offspring, suggesting that biparental care may also serve to provide offspring with information about the habitat into which they are born.

Growing in Circles

2007 ◽  
Vol 18 (7) ◽  
pp. 569-573 ◽  
Author(s):  
Alisha A. Brown ◽  
Marcia L. Spetch ◽  
Peter L. Hurd
Keyword(s):  
Geometric Shape ◽  
Geometric Information ◽  
Rearing Environment ◽  
Archocentrus Nigrofasciatus ◽  
Navigational Cues ◽  
Rectangular Tank ◽  
Convict Cichlids ◽  
Spatial Tasks ◽  
Geometric Cues

Animals of many species use the geometric shape of an enclosed rectangular environment to reorient, even in the presence of a more informative featural cue. Manipulating the rearing environment affects performance on spatial tasks, but its effect on the use of geometric versus featural navigational cues is unknown. Our study varied the geometric information available in the rearing environment (circular vs. rectangular rearing tanks) of convict cichlids (Archocentrus nigrofasciatus) and tested their use of navigational cues. All the fish used geometric information to navigate when no features were present. When features were present, the fish used geometric and featural information separately. If cues were in conflict, fish raised in a circular tank showed significantly less use of geometric information than fish raised in a rectangular tank. Thus, the ability to use geometry to navigate does not require exposure to angular geometric cues during rearing, though rearing environment affects the dominance of featural and geometric cues.

scholarly journals The responses of prey fish to temporal variation in predation risk: sensory habituation or risk assessment?

2010 ◽  
Vol 21 (3) ◽  
pp. 532-536 ◽  
Author(s):  
M. C. O. Ferrari ◽  
C. K. Elvidge ◽  
C. D. Jackson ◽  
D. P. Chivers ◽  
G. E. Brown
Keyword(s):  
Risk Assessment ◽  
Temporal Variation ◽  
Predation Risk ◽  
Prey Fish

Temporal variation in habitat selection breaks the catch-22 of spatially contrasting predation risk from multiple predators

Oikos ◽  
2016 ◽  
Vol 126 (5) ◽  
pp. 624-632 ◽  
Author(s):  
Karen Lone ◽  
Atle Mysterud ◽  
Terje Gobakken ◽  
John Odden ◽  
John Linnell ◽  
...  
Keyword(s):  
Habitat Selection ◽  
Temporal Variation ◽  
Predation Risk ◽  
Multiple Predators ◽  
Catch 22

The interaction between antipredator behaviour and antipredator morphology: experiments with fathead minnows and brook sticklebacks

1995 ◽  
Vol 73 (12) ◽  
pp. 2209-2215 ◽  
Author(s):  
Mark V. Abrahams
Keyword(s):  
Predation Risk ◽  
Yellow Perch ◽  
Prey Species ◽  
Pimephales Promelas ◽  
Antipredator Behaviour ◽  
Fathead Minnows ◽  
Behavioural Modification ◽  
Reactive Distance ◽  
Habitat Avoidance ◽  
Morphological Defenses

Prey species have two fundamental strategies for reducing their probability of being killed by a predator: behavioural modification and morphological defenses. It is hypothesized that prey species which possess morphological defenses should exhibit less behavioural modification in response to predation risk than species lacking such defenses. Experiments were conducted to examine behavioural modification by armoured (brook sticklebacks, Culea inconstans) and unarmoured (fathead minnows, Pimephales promelas) prey species foraging in the presence of a predator (yellow perch, Perca flavescens). Two experiments measured habitat avoidance and reactive distance to an approaching predator. The results of these experiments were consistent with the hypothesis. Compared with fathead minnows, brook sticklebacks exhibited relatively little behavioural modification in response to the presence of a predator, both in terms of avoiding dangerous areas and in their reactive distance to an approaching predator. Sticklebacks, however, graded their reactive distance to an approaching predator in relation to both their body size and group size. These data suggest that the morphology of brook sticklebacks and their behavioural sensitivity to predation risk may allow them to efficiently exploit habitats that contain predators.

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