Photoperiodic modulation of reproductive physiology and behaviour in the cichlid fish Cichlasoma dimerus

Fiszbein, Ana; Canepa, Maximiliano; Vázquez, Graciela Rey; Maggese, Cristina; Pandolfi, Matías

doi:10.1016/j.physbeh.2009.11.017

Cited by 38 publications

(38 citation statements)

References 41 publications

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“…Moreover, in aggressive interaction males of control were found to be hidden in order to escape themselves from the dominating ones. The present findings was found to be similar to that of the work reported by Fiszbein et al (2010) where behavioural level of aggression related to territory selection and defence was reduced in control group, and females exposed to control were never chosen by males. Winners were those that keep most of the territory and subordinates (control) were exploited by the winners.…”

Section: Discussionsupporting

confidence: 92%

“…Behavioural study on T. fasciata was carried out to observe the female choice and male aggressive behaviour of different experimental groups such as control group (A) vs B, C and D as per Fiszbein et al (2010) on cichlid fish, Cichlasoma dimerus. Altogether twelve observations were made to study the behavioural activity (female selection and aggressive interactions) at an interval of five minutes for duration of 1 h.…”

Section: Behavioral Studymentioning

confidence: 99%

“…Mustapha et al (2014) reported that the welfare can be greatly influenced by photoperiod in Oreochromis niloticus and Clarias gariepinus. The influence of photoperiodism on reproductive physiology and behaviour was reported by Fiszbein et al (2010) in the cichlid fish, Cichlasoma dimerus. The specific behavioural signals for an early assessment of fish welfare are considered to be important for both farmers and researchers in a developing aquaculture industry.…”

Section: Introductionmentioning

confidence: 98%

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Bano¹,

Serajuddin²

2018

Turk. J. Fish. Aquat. Sci.

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The influence of different photoperiods was studied on the growth and behaviour of the giant gourami, Trichogaster fasciata. Fish (weight=1.1g; length=4.36cm) were subjected to photoperiod regimes of 0L:24 D, 8L:16 D, 12L:12 D and 16L:8 D for 90 days in triplicates. The growth rate was highest (weight=4g) and lowest (weight=2.36g) in the groups subjected to 16L: 8D and 0L: 24D photoperiods respectively. The mean body weight and mean total length were significantly higher (P<0.05) while standard length and caudal fin length (P>0.05) were not significant in the 16 hours light. Mean values of food conversion ratio and condition factor were lowest while various growth parameters were found to be maximum in the 16 hours light. 16L:8D photoperiod regime produced pronounced effects on the welfare of giant gourami as shown by the nonintrusive welfare indicators. The photoperiodic signals were found to be capable of modifying the behavioural activities where male aggression related to territory or defence and female selection were reduced in control group. The optimum photoperiod (16 L: 8 D) was an environmental cue for the better growth, welfare and behaviour.

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Section: Discussionsupporting

confidence: 92%

Section: Behavioral Studymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Bano¹,

Serajuddin²

2018

Turk. J. Fish. Aquat. Sci.

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“…Similar results were obtained in subordinate male green swordtails (Xiphophorus helleri) (Scott and Currie, 1980). The South American cichlid fish, Cichlasoma dimerus (Heckel, 1840), inhabits the Parana and Paraguay Rivers' basins and has recently been used as a laboratory model to study teleost reproduction, neuroendocrinology and behavior (Alonso et al, 2011(Alonso et al, , 2012Fiszbein et al, 2010;Pandolfi et al, 2009;Ramallo et al, 2012;Tubert et al, 2012). In this species, under laboratory conditions, the largest male usually emerges as the dominant and reproductively active male of the group.…”

Section: Introductionmentioning

confidence: 53%

The interrenal gland in males of the cichlid fish Cichlasoma dimerus: Relationship with stress and the establishment of social hierarchies

Morandini¹,

Honji²,

Ramallo³

et al. 2014

General and Comparative Endocrinology

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“…In this species, short photoperiod reduces male aggression either related to territory selection or its defense, and also females under this photoperiod are never chosen as mates by the males (Fiszbein et al, 2010). This indicates that short photoperiod inhibits reproductive behavior and, in consequence, diminishes aggressiveness.…”

Section: Discussionmentioning

confidence: 94%

Social and reproductive physiology and behavior of the Neotropical cichlid fish Cichlasoma dimerus under laboratory conditions

Alonso

Canepa

Moreira³

et al. 2011

Neotrop. ichthyol.

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In this work we describe for the first time the social and reproductive behavior of the Neotropical fish Cichlasoma dimerus (Heckel, 1840) [Perciformes: Cichlidae], endemic to the Paraná River basin, using a comprehensive-integral approach, including morphological and physiological features. This substrate breeding fish has biparental care of the fry and presents a dominance hierarchy that determines access to breeding territories among males, and to males with territories among females. Gregarious behavior associated with a pale body color, was observed before reproductive behaviors started. Afterwards, a dominance hierarchy was established through aggressive interactions. Territorial individuals had bright body color patterns and non territorial an opaque grey one. Black ventral coloration was associated with reproductive individuals. Courtship displays, which were similar to threatening displays, had the common effect of increasing the visible area of the individual. The dominant male was always the largest one suggesting that size is probably a major factor determining the hierarchy establishment and that these intra-sexually selected traits may have been reinforced by inter-sexual selection. Reproductive males had higher pituitary levels of -follicle stimulating hormone (-FSH) and somatolactin (SL) than non reproductive ones, while no differences were found among females. No differences were found among male gonadosomatic indexes. Non reproductive individuals had higher plasma cortisol levels for both sexes. It is possible that dominant reproductive individuals may be inhibiting reproduction of subordinate fish through physical contact, increasing their cortisol levels and diminishing FSH and SL pituitary content. However, this was not reflected as an inhibition at the gonadal level in our experimental design.En este trabajo se describen por primera vez el comportamiento social y reproductivo del pez cíclido neotropical Cichlasoma dimerus (Heckel, 1840) [Perciformes: Cichlidae], endémico de la cuenca del Paraná, desde un enfoque integral y abarcador, incluyendo características morfológicas y fisiológicas. Éste pez incubador de substrato, tiene cuidado biparental de las crías y presenta una jerarquía de dominancia que determina el acceso a territorios reproductivos entre los machos, y a machos con territorios entre las hembras. Se observó un comportamiento gregario con una coloración corporal pálida característica, antes que comenzaran los comportamientos reproductivos. Luego, una jerarquía de dominancia se estableció a través de interacciones agresivas. Los individuos territoriales presentaron patrones de coloración corporal brillantes y los individuos no territoriales uno gris opaco. Una coloración ventral oscura fue observada asociada a individuos reproductivos. Los despliegues de cortejo fueron similares a los de amenaza y tuvieron la característica común de aumentar el área visible de los peces. El macho dominante fue siempre el más grande, sugiriendo que probablemente la fuerza (tamaño) es un facto...

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Photoperiodic modulation of reproductive physiology and behaviour in the cichlid fish Cichlasoma dimerus

Cited by 38 publications

References 41 publications

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The interrenal gland in males of the cichlid fish Cichlasoma dimerus: Relationship with stress and the establishment of social hierarchies

Social and reproductive physiology and behavior of the Neotropical cichlid fish Cichlasoma dimerus under laboratory conditions

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