Image: Glasshead Barreleye from above
The top of the head of a Glasshead Barreleye trawled from a depth of around 1000 m on the abyssal plain in the southern Tasman Sea, between Tasmania and New Zealand. The two round structures are the primary eyes. One guanine crystal-lined mirror-organ is visible below the eye on the right.
- Photographer:
- Adrian Flynn
- Rights:
- © Adrian Flynn
- Common name:
- Glasshead Barreleye
- Scientific name:
- Rhynchohyalus natalensis
- Family:
- Opisthoproctidae
- Order:
- Argentiniformes
Additional information
The barreleyes are an unusual family of deepsea fishes, most of which have upwardly-directed eyes. The eyes detect the silhouettes of prey swimming above.
In Australia, the Glasshead Barreleye has been collected from bathypelagic and mesopelagic depths off New South Wales.
Last Updated:
Tags fishes, ichthyology, Rhynchohyalus natalensis, Glasshead Barreleye, Opisthoproctidae,
