期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 277, 期 1689, 页码 1843-1848出版社
ROYAL SOC
DOI: 10.1098/rspb.2009.2248
关键词
Cubomedusae; Chiropsella bronzie; microspectrophotometry; vision; eyes; visual pigment
资金
- Swedish Research Council
- Swedish Foundation for Strategic Research
- Australian Research Council Discovery [DP0558681]
- ARC QEII Fellowship
- Danish Research Council [272-07-0163]
- Australian Research Council [DP0558681] Funding Source: Australian Research Council
Box jellyfish (Cubomedusae) possess a unique visual system comprising 24 eyes of four morphological types. Moreover, box jellyfish display several visually guided behaviours, including obstacle avoidance and light-shaft attractance. It is largely unknown what kind of visual information box jellyfish use for carrying out these behaviours. Brightness contrast is almost certainly involved, but it is also possible that box jellyfish extract colour information from their surroundings. The possible presence of colour vision in box jellyfish has previously been investigated using behavioural, electrophysiological and immunohistochemical methods. However, the results from these studies are to some degree conflicting and inconclusive. Here, we present results from an investigation into the visual system of the box jellyfish Chiropsella bronzie, using microspectrophotometry and immunohistochemistry. Our results strongly indicate that only one type of visual pigment is present in the upper and lower lens eyes with a peak absorbance of approximately 510 nm. Additionally, the visual pigment appears to undergo bleaching, similar to that of vertebrate visual pigments.
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