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Szerkesztő:Amire80/Sleep in non-human animals TEST TEST

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Sleep in fish is not edavaj kartoska xtensively studied.[1] Typically fish exhibit periods of inactivity but show no significant reactions to deprivation of this condition. Some species that always live in shoals or that swim continuously (because of a need for ram ventilation of the gills, for example) are suspected never to sleep.[2] There is also doubt about certain blind species that live in caves.[3] Other fish seem to sleep, however. For example, zebrafish,[4] tilapia,[5] tench,[6] brown bullhead,[7] and swell shark[8] become motionless and unresponsive at night (or by day, in the case of the swell shark); Spanish hogfish and blue-headed wrasse can even be lifted by hand all the way to the surface without evoking a response.[9] A 1961 observational study of approximately 200 species in European public aquaria reported many cases of apparent sleep.[10] On the other hand, sleep patterns are easily disrupted and may even disappear during periods of migration, spawning, and parental care.[11] [[Kategória:Zoológia]] [[Kategória:Alvás]]

  1. ↑ Reebs, S. (1992) Sleep, inactivity and circadian rhythms in fish. pp. 127–135 in: Ali, M.A. (ed.), Rhythms in Fish, New York: Plenum Press.
  2. ↑ Kavanau JL (1998. július 1.). „Vertebrates that never sleep: implications for sleep's basic function”. Brain Res. Bull. 46 (4), 269–79. o. DOI:10.1016/S0361-9230(98)00018-5. PMID 9671258. 
  3. ↑ Parzefall, J. (1993): Behavioural ecology of cave-dwelling fish; pp. 573–606 in: Pitcher, T.J. (ed.), The Behaviour of Teleost Fish; London: Chapman&Hall.
  4. ↑ (2001) „Melatonin promotes sleep-like state in zebrafish, Brain Research 903: 263–268. Yokogawa T, Marin W, Faraco J, Pézeron G, Appelbaum L, et al. (2007) Characterization of Sleep in Zebrafish and Insomnia in Hypocretin Receptor Mutants”. PLoS Biology 5 (10), e277. o. DOI:10.1371/journal.pbio.0050277.  and criticism and rebuttal, at PLoS Biology
  5. ↑ (1976) „Sleep in a schooling fish, Tilapia mossambica”. Physiology and Behavior 16 (5), 613–615. o. DOI:10.1016/0031-9384(76)90222-5. 
  6. ↑ (1967) „Étude polygraphique du cycle veille-sommeil d'un téléostéen (Tinca tinca)”. Comptes Rendus des Séances de la Société de Biologie 161, 2533–2537. o. 
  7. ↑ (1976) „Characteristics of the daily periodicity of wakefulness and rest in the brown bullhead (Ictalurus nebulosus)”. Journal of Evolutionary Biochemistry and Physiology 12, 305–309. o. 
  8. ↑ (1970) „Diel activity rhythms in the nocturnal, bottom-dwelling sharks Heterodontus francisci and Cephaloscyllium ventriosum”. Copeia 1970 (4), 732–739. o. DOI:10.2307/1442315. 
  9. ↑ Tauber, E.S., 1974, The phylogeny of sleep, pp. 133–172 in: Advances in sleep research, vol. 1 (E.D. Weitzman, ed.), Spectrum Publications, New York.
  10. ↑ (1961) „Über Ruhelagen von Fischen”. Zeitschrift für Tierpsychologie 18, 517–533. o. DOI:10.1111/j.1439-0310.1961.tb00240.x. 
  11. ↑ (2002) „Plasticity of diel and circadian activity rhythms in fish”. Reviews in Fish Biology and Fisheries 12 (4), 349–371. o. DOI:10.1023/a:1025371804611. 
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