Agonistic behavior of juvenile <i>Stichaeus punctatus</i> (Pisces: Stichaeidae)

Farwell, Morley K.; Green, John M.

doi:10.1139/z73-067

Cited by 7 publications

(4 citation statements)

References 4 publications

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“…The development of schooling in Menidia menidia and Menidia beryllina, and of sexual behavior in Xiphophorous maculatus have been described (Shaw, 1960(Shaw, , 1961(Shaw, , 1962. The emergence of aggressive behavior prior to sexual maturity has been reported in various fishes (Rasa, 1971;Gibson, 1968;Farwell and Green, 1974). Ohm (1958Ohm ( , 1964 described the development of agonistic behavior in two cichlid fishes, Aequidens portalegrensis and A. latifrons.…”

Section: Resultsmentioning

confidence: 98%

The ontogeny of agonistic behavior and the onset of sexual maturation in the paradise fish, Macropodus opercularis (linnaeus)

Davis

Kassel

1975

Behavioral Biology

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Fish 20-100 days of age were observed in brief conflicts with a stimulus fish of similar size and age. Four stages of behavior development were identified, based on quantitative changes in behavior which occurred with increasing age. Relatively little aggressive behavior occurs in the larval stage which includes fish up to about 40 days of age. Juveniles, age 40-70 days, approach, chase, and attack each other much more than do the larva. In the adolescent stage, 70-100 days of age, the incidence of species typical displays increases paralleling the onset of puberal changes in the testis and ovary. No sex differences in behavior were seen in fish up to 100 days of age. Among adult fish of unknown age males performed lateral threat displays more frequently than females as has been previously reported.Previous investigations in paradise fish (Macropodus opercularis) 2 indicate that males and females behave differently in social conflicts. For example, Southwick and Ward (1968) report that attacks occur sooner in encounters between females than in inter-male encounters, and that females may attack more intensively than males. Davis, Harris and Shelby (1974) found that in 5-10 rain encounters males performed threat displays more frequently than did females. In addition, mirror image stimuli were stronger positive reinforcers in males. The sexes show qualitatively similar threat displays, patterns of attack, and submissive postures (Forselius

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Section: Resultsmentioning

confidence: 98%

The ontogeny of agonistic behavior and the onset of sexual maturation in the paradise fish, Macropodus opercularis (linnaeus)

Davis

Kassel

1975

Behavioral Biology

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“…1955, NELSON 1964, DANE and VAN DER KLOOT 1963, HAZLETT and BCISSERT 1965, ALTMAN 1965, DINGLE 1969, FARWELL and GREEN 1973. The methods of analyses are probabilistic and information theoretic, both obvious ways of dealing with data which do not fall into neat deterministic sequences (CHATFIELD and LEMON 1970).…”

Section: Introductionmentioning

confidence: 99%

Agonistic Behavior in Nesting Iguanas: A Stochastic Analysis of Dispute Settlement Dominated by the Minimization of Energy Cost

Rand

1976

Zeitschrift für Tierpsychologie

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Competition within biological populations frequently leads to physical disputes. Natural selection requires that the costs of these disputes to the involved individuals are in some sense minimized. We examine a specific situation in detail, disputes between gravid female iguanas for nesting sites, and show that it is energy costs which are minimized and that this minimization is achieved by escalating the energy expended during the individual dispute and by the use of displays. The analysis uses probabilistic and information theoretic techniques.

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“…The suggestion above presupposes the existence of dramatic short-term changes in female hamster fights with increasing social experience. Agonistic response sequences exhibited by juvenile Stichaeus punctatus (Farwell & Green, 1973) change significantly over a 3-hr period. The early appearance of violent aggressive behaviors and the consequent rapid formation of rigid dominance orders characteristic of uninterrupted hamster encounters suggest that hamster response sequences might vary over minutes instead of hours.…”

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confidence: 98%

Aggressive behavior in female hamsters: The hormonal basis for fluctuations in female aggressiveness correlated with estrous state.

Floody¹,

Pfaff²

1977

Journal of Comparative and Physiological Psychology

160

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The frequency and sequencing of aggressive behaviors by naive female hamsters change during series of brief encounters, probably because of the lack of stable dominance relations. Such initial encounters seem most representative of interactions likely in free-ranging hamsters and have been emphasized in studies of the hormonal mediation of female aggression. Nonestrous females exhibit intense aggression toward conspecifics of either sex. Estrous females are not aggressive and spend much time in lordosis, indicative of sexual receptivity. The inhibition of fighting on estrous day depends on estrogen and progesterone. Whereas oil-injected adrenalectomized-ovariectomized females fight at high levels, comparable with intact nonestrous females, the combination of 17/3-estradiol benzoate and progesterone suppresses fighting completely. In contrast, replacement of estradiol, progesterone, or testosterone propionate individually has no consistent effect. Hypophysectomized females also fight at high levels, indicating that pituitary hormones are not required for vigorous aggression. Further, individual anterior pituitary hormones did not produce marked changes in fighting. These results emphasize the roles of estrogen and progesterone in synchronizing aggression with current reproductive state.

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Agonistic behavior of juvenile Stichaeus punctatus (Pisces: Stichaeidae)

Cited by 7 publications

References 4 publications

The ontogeny of agonistic behavior and the onset of sexual maturation in the paradise fish, Macropodus opercularis (linnaeus)

The ontogeny of agonistic behavior and the onset of sexual maturation in the paradise fish, Macropodus opercularis (linnaeus)

Agonistic Behavior in Nesting Iguanas: A Stochastic Analysis of Dispute Settlement Dominated by the Minimization of Energy Cost

Aggressive behavior in female hamsters: The hormonal basis for fluctuations in female aggressiveness correlated with estrous state.

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