Flashing spots on the dorsal trunk of hardyhead silverside fish

Autor: Iwasaka, Masakazu
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Royal Society Open Science, Vol 8, Iss 4 (2021)
Royal Society Open Science
ISSN: 2054-5703
DOI: 10.1098/rsos.201578
Popis: A large number of living creatures are able to use ambient light effectively in biological signalling. Atherinomorus lacunosus , a teleost fish has alignments of circular spots on its dorsal trunk. The spot consists of iridophores, whose diameters are approximately 7–10 µm. The iridophore contains guanine crystals with diameters of 1–3 µm. Here, it is found that more than one spot with a diameter of approximately 0.1 mm causes a rhythmic flashing of light when viewed under white light. The typical light flash has a pulse width of approximately one second. When a pulsed train of flashes appears, the flash repeats at a typical frequency of 0.5–1 Hz. The observed phenomenon is one example of the evidence for the existence of rapid colour changing teleost fish.
Databáze: OpenAIRE
Popis
Abstrakt:A large number of living creatures are able to use ambient light effectively in biological signalling. Atherinomorus lacunosus , a teleost fish has alignments of circular spots on its dorsal trunk. The spot consists of iridophores, whose diameters are approximately 7–10 µm. The iridophore contains guanine crystals with diameters of 1–3 µm. Here, it is found that more than one spot with a diameter of approximately 0.1 mm causes a rhythmic flashing of light when viewed under white light. The typical light flash has a pulse width of approximately one second. When a pulsed train of flashes appears, the flash repeats at a typical frequency of 0.5–1 Hz. The observed phenomenon is one example of the evidence for the existence of rapid colour changing teleost fish.
ISSN:20545703
DOI:10.1098/rsos.201578