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Magnetic field perception in the Rainbow Trout, Oncorhynchus mykiss
Evidence is presented for the perception of different magnetic field parameters in a facultative anadromous fish species of the family Salmonidae and magnetosensation in different developmental stages in the rainbow trout, i.e. juvenile and adult fish.
The Flashlight Fish Anomalops katoptron Uses Bioluminescent Light to Detect Prey in the Dark
These experiments performed in a coral reef tank show that Anomalops katoptron use bioluminescent illumination to detect planktonic prey and that the blink frequency of A. kat optron light organs follow an exogenous control by the ambient light.
Magnetic field perception in the rainbow trout Oncorynchus mykiss: magnetite mediated, light dependent or both?
The trigeminal system is proposed to perceive the intensity/inclination of the magnetic field in rainbow trouts and the existence of another light-independent sensory structure that enables fish to detect the Magnetic field direction is suggested.
Visual tuning in the flashlight fish Anomalops katoptron to detect blue, bioluminescent light
The results suggest that the A. katoptron visual system is optimized to detect blue light in the frequency range of its own bioluminescence and residual starlight and the spectral peak of in vivo electroretinogram (ERG) measurements.
Bioluminescence in Fishes: Diversity and Functions
- J. Hellinger
- 2 May 2017
L Luminescence in fishes can be divided in two different types of light production, and fish species with intrinsic bioluminescence show their own luciferin-luciferase sytem in specialized light organs.
Analysis of the Territorial Aggressive Behavior of the Bioluminescent Flashlight Fish Photoblepharon steinitzi in the Red Sea
- J. Hellinger, P. Jägers, Katharina Spoida, L. C. Weiss, M. D. Mark, S. Herlitze
- BiologyFrontiers in Marine Science
- 19 February 2020
The data show that the intensity of displayed aggression potential in P. steinitzi depends on the signal properties of the intraspecific intruder, and a constant glowing light organ dummy or a fish dummy simulating an intruder increases the aggression level in the fish.
Social signaling via bioluminescent blinks determines nearest neighbor distance in schools of flashlight fish Anomalops katoptron
Blink frequencies are modified by changes in the occlusion time and are increased from day to night and during avoidance behavior, while group cohesion is higher with increasing blink frequencies, suggesting that specific blink patterns in schooling flashlight fish A. katoptron define nearest neighbor distance and determine intraspecific communication.
Social signaling via bioluminescent blinks drives schooling behavior in the flashlight fish Anomalops katoptron
It is suggested that visually transmitted information via specific blink patterns determine intraspecific communication and group cohesion in schooling A. katoptron.