The color of illumination affects the stress response of jundiá (Rhamdia quelen, Quoy &amp; Gaimard, Heptapteridae)

Barcellos, Leonardo José Gil; Ritter, Filipe; Kreutz, Luiz Carlos; Silva, Leonardo Bolognesi da; Cericato, Leonardo; Quevedo, Rosmari Mezzalira

doi:10.1590/s0103-84782006000400031

Cited by 15 publications

(5 citation statements)

References 16 publications

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“…It has been suggested that coloured light could modify fish stress response (Volpato et al., 2004; Barcellos et al., 2006; Karakatsouli et al., 2008). Melanin‐concentrating hormone is able to stimulate food intake in fish and promote growth (Yamanomea et al., 2005).…”

Section: Discussionmentioning

confidence: 99%

Influence of light colours on growth and stress response of rainbow trout (Oncorhynchus mykiss) under laboratory conditions

Heydarnejad

Parto²,

Pilevarian³

2011

Animal Physiology Nutrition

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The influence of light colours on growth and stress response in rainbow trout Oncorhyncus mykiss (15.16 ± 0.29 cm; 32.27 ± 1.18 g) was studied. Fish were reared in 16 glass aquaria (140 × 30 × 80 cm) each with 12 fish under one of four different lighting spectra: yellow (546 nm), red (605 nm), blue (470 nm) and white (full spectrum, control). Experiments lasted 125 days. The stress response was evaluated by measuring cortisol levels. Body weight and total length of the fish reared under yellow light were greater compared with the other colour regimes while feed conversion ratio significantly lowers. Condition factor and specific growth rate, however, were not differentiated among experimental light treatments. Stressed fish showed lower cortisol levels under yellow light compared with other light exposures. The study indicates that under laboratory conditions, rainbow trout grow best under yellow light and that yellow light lowers the stress-induced cortisol response in this fish species.

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Section: Discussionmentioning

confidence: 99%

Influence of light colours on growth and stress response of rainbow trout (Oncorhynchus mykiss) under laboratory conditions

Heydarnejad

Parto²,

Pilevarian³

2011

Animal Physiology Nutrition

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“…The opposite results were obtained by Barcellos et al . (). They showed that cortisol level in blood of Rhamdia quelen fingerlings was increased in blue light, and even more in green light (up to 50.4 ng/mL vs. 30.3 ng/mL in white light).…”

Section: Probable Mechanisms Of the Effect Of Colour On Growth (Stresmentioning

confidence: 97%

Environmental colour impact on the life of lower aquatic vertebrates: development, growth, physiological and biochemical processes

Ruchin

2018

Reviews in Aquaculture

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This review discusses environmental colour impact on such vital processes of lower aquatic vertebrates (amphibian and fish), as development, growth, consumption of food and its conversion ratio, secretion of hormones etc. For some species, different zones of the spectrum can act as a stimulator of growth and development processes, while other zones of the spectrum can, on the contrary, inhibit development and growth. This influence occurs at the physiological and biochemical levels. Physiologically, environmental colour can both activate and suppress fish nutrition. Changes in daily ration can change the food conversion ratio. In turn, the contrast of the feed against a particular environmental colour can also affect the amount of food consumed and the somatic growth respectively. Certain zones of the spectrum stress fish, which is confirmed by the increase in cortisol level. Illumination of certain colour can accelerate fish growth; in such cases, a decrease in cortisol is observed. Environmental colour also affects the secretion of other hormones (somatotropin, thyroxine) and, as a consequence, the biochemical and physiological status of organisms. There is certain amount of evidence that environmental colour can impact gene expression and thereby regulate the somatic growth and development of fish and amphibians. However, there is not yet enough evidence and only preliminary conclusions can be drawn, which must be taken into account in fish breeding practice. A brief description of the organs of vision of lower vertebrates is given. The problems of the influence of light on a number of biochemical parameters are discussed.

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“…For example, it was demonstrated that in jundiá (Rhamdia quelen) exposed to blue light, cortisol level following stress was reduced compared to the fish exposed to white light (Barcellos et al, 2006).…”

Section: Discussionmentioning

confidence: 99%

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Grozea¹,

DRASOVEAN²,

LALESCU³

et al. 2016

Turk. J. Fish. Aquat. Sci.

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A study on Sander lucioperca age classes to assess preference for background color was imagined. Two groups: G1 (92 days old, average weight: 6.2 ±1.6 g) and G2 (461 days and 101.7 ±27.1 g), were continuously observed for 24 hours after one day of acclimation, using 90 fish / group (30 fish / replication / 24 hours), their behavior being recorded with cam-recorders. For the study, the walls and bottom of a rectangular research tank were colored equally in: grey, light and dark blue and green. During the study, were made 216 observations / group (72 observations / replication) and were statistically analyzed using Duncan test, with a confidence level of P˂ 0.05 or lower. Results revealed that a significant number from G1 was located on the green space, in order, preferred background color being: green, grey, dark and light blue. The G2 group expressed also high affinity for the green color (P< 0.001) concluding that, green background can give a safety feeling to the pikeperch, thus, rearing or transport of pikeperch categories in green tanks could have the benefit of stress decreasing and added benefit for this fish species in the aim of advancing the Recirculating Aquaculture Systems.

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The color of illumination affects the stress response of jundiá (Rhamdia quelen, Quoy & Gaimard, Heptapteridae)

Abstract: This paper provides the first data about physiological responses to stress in jundiá (

Cited by 15 publications

References 16 publications

Influence of light colours on growth and stress response of rainbow trout (Oncorhynchus mykiss) under laboratory conditions

Influence of light colours on growth and stress response of rainbow trout (Oncorhynchus mykiss) under laboratory conditions

Environmental colour impact on the life of lower aquatic vertebrates: development, growth, physiological and biochemical processes

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