Mexican mojarra can dominate non-native convict cichlids even when outnumbered

2021 ◽  
Vol 75 (1) ◽  
Author(s):  
Diana Molina ◽  
Elsah Arce ◽  
Norman Mercado-Silva
Keyword(s):  
Convict Cichlids

Social status, breeding state, and GnRH soma size in convict cichlids (Cryptoheros nigrofasciatus)

2013 ◽  
Vol 237 ◽  
pp. 318-324 ◽  
Author(s):  
San-San Amy Chee ◽  
Walter A.S. Espinoza ◽  
Andrew N. Iwaniuk ◽  
Janelle M.P. Pakan ◽  
Cristian Gutiérrez-Ibáñez ◽  
...  
Keyword(s):  
Social Status ◽  
Convict Cichlids ◽  
Soma Size

Heads up: juvenile convict cichlids switch to threat-sensitive foraging tactics based on chemosensory information

2005 ◽  
Vol 70 (3) ◽  
pp. 601-607 ◽  
Author(s):  
Patricia E. Foam ◽  
Mark C. Harvey ◽  
Reehan S. Mirza ◽  
Grant E. Brown
Keyword(s):  
Convict Cichlids ◽  
Foraging Tactics

Interactions between aggression, boldness and shoaling within a brood of convict cichlids (Amatitlania nigrofasciatus)

2015 ◽  
Vol 121 ◽  
pp. 63-69 ◽  
Author(s):  
Sarah Moss ◽  
Stephanie Tittaferrante ◽  
Gregory P. Way ◽  
Ashlei Fuller ◽  
Nicole Sullivan ◽  
...  
Keyword(s):  
Convict Cichlids

scholarly journals Female mate choice in convict cichlids is transitive and consistent with a self-referent directional preference

2013 ◽  
Vol 10 (1) ◽  
pp. 69 ◽  
Author(s):  
François-Xavier Dechaume-Moncharmont ◽  
Marine Freychet ◽  
Sébastien Motreuil ◽  
Frank Cézilly
Keyword(s):  
Mate Choice ◽  
Female Mate Choice ◽  
Female Mate ◽  
Convict Cichlids ◽  
Directional Preference

scholarly journals Serial monogamy benefits both sexes in the biparental convict cichlid

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6535 ◽  
Author(s):  
Jennifer L. Snekser ◽  
Murray Itzkowitz
Keyword(s):  
Reproductive Success ◽  
Brood Size ◽  
Parental Behavior ◽  
Convict Cichlid ◽  
Costs And Benefits ◽  
Serial Monogamy ◽  
Convict Cichlids ◽  
Amatitlania Nigrofasciata ◽  
Males And Females

Monogamy can be either long-term or serial, with new pairs formed with each breeding bout. Costs and benefits are associated with each strategy. Because biparental convict cichlids (Amatitlania nigrofasciata) typically switch mates, exhibiting serial monogamy, we tested for the costs associated with forcing individuals to remain with the same mate. Convict cichlids were observed over two successive breeding bouts, either with the same or a new, equally experienced, mate. Parental behavior did not differ between breeding bouts, nor did brood size. Surprisingly, fish that remained with their original partner for a second bout took significantly longer to produce a brood compared to fish that paired with new partners. New partners were also more likely to successfully produce a second brood than re-mated partners. This is in contrast to the majority of bird studies that show many benefits to staying with the same partner for multiple broods. In convict cichlids, there seems to be no benefit associated with remaining with the same partner and switching mates reduces duration between broods for both males and females, potentially increasing overall reproductive success.

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

scholarly journals Behavioral and Endocrine Alterations to Partner Interactions and Offspring Care during Periods of Conflict

2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Timothy Paciorek ◽  
Leese Joseph
Keyword(s):  
Pair Bond ◽  
Biparental Care ◽  
Resident Male ◽  
Male And Female ◽  
Pair Bonds ◽  
Convict Cichlids ◽  
Before And After ◽  
Males And Females ◽  
Cortisol Levels ◽  
Endocrine Alterations

Abstract Biparental care has evolved to ensure successful rearing of offspring. However, separation during periods of care can lead to conflicts that might negatively impact pair bonds and offspring care. In this study, pair-bonded convict cichlids (Amatitlania nigrofasciata) were observed for changes in behavior toward their partners and offspring before and after a period of separation. Males and females were designated either as a Resident (remain with offspring) or Removed (separated from partner and offspring for 5 days) individual. Behaviors between partners and toward offspring were measured before and after separation, and compared to the levels of behavior of control pairs (never separated), as well as individuals introduced to a novel partner instead. Cortisol levels of Resident male and female A. nigrofasciata were assayed using water-borne hormone collection before and after separation. Aggression between pair bond members did increase following reintroduction, but did not lead to the termination of pair bonds. Resident females showed more aggression to novel partners than Resident males. Offspring care decreased in both Resident and Removed females. Experimental pairs decreased the amount of time spent interacting with intruders. Cortisol levels were significantly higher among experimental pairs compared with control pairs that did not experience a separation. Females (both control and experimental) showed small, yet significant increases in cortisol levels, while both control and experimental males did not. These results suggest that while pair bonds appear resilient, prolonged separations influence pair bond and parental care dynamics, both behaviorally and hormonally, and require pairs to re-establish roles, resulting in less time caring for offspring.

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.

Factors influencing pairbond stability in convict cichlids (Cichlasoma nigrofasciatum)

1997 ◽  
Vol 39 (2) ◽  
pp. 161-176 ◽  
Author(s):  
Jürg Lamprecht ◽  
Thomas Rebhan
Keyword(s):  
Cichlasoma Nigrofasciatum ◽  
Factors Influencing ◽  
Convict Cichlids
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