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Also note that this image may not be in the public domain in the 9th Circuit if it was first published on or after July 1, 1909 in noncompliance with US formalities, unless the author is known to have died in 1954 or earlier (more than 70 years ago) or the work was created in 1904 or earlier (more than 120 years ago.)
The high number of rods in their eyes' retinae allows barreleyes to resolve the silhouettes of objects overhead in the faintest of ambient light (and to accurately distinguish bioluminescent light from ambient light), and their binocular vision allows the fish to accurately track and home in on small zooplankton, such as hydroids, copepods, and ...
Sebastes miniatus has a rather stocky body shape with the depth of the body being equivalent to just under two fifths of its standard length. [5] It has moderately robust to weak spines on its head, the nasal, preocular, supraocular, postocular, tympanic and parietal spines being always present, the nuchal spine usually being absent and the coronal spine never being present. [1]
[8] [27] Coelacanths are large, plump, lobe-finned fish that can grow to more than 2 m (6.6 ft) and weigh around 90 kg (200 lb). [28] They are estimated to live up to 100 years, based on analysis of annual growth marks on scales, and reach maturity around the age of 55; [ 29 ] the oldest known specimen was 84 years old at the time of its ...
The John Dory grows to a maximum size of 65 cm (2 ft) and 5 kg (12 lb) in weight. It has 10 long spines on its dorsal fin and 4 spines on its anal fin. It has microscopic, sharp scales that run around the body. The fish is an olive green color with a silver white belly and has a dark spot on its side. Its eyes are near the top of its head.
This species is the world's longest bony fish, reaching a record length of about 7–8 m (23–26 ft), and a maximum record weight of 272 kg (600 lbs). [3] Older, much longer estimates are now considered "very likely inaccurate". [11] It is commonly measured to 3 m (9.8 ft) in total length. [8]
Histologically, the retina is composed of 10-layer elements as seen in the retina of shallow water fishes. The greatest thickness of the retina, about 200 micrometer, occurs ventrally, where rod’s outer segment is long (about 50 micrometer). Figure 4. Accessory Retina of A. affinis. The position of the accessory retina is shown in Figure 4.
Depth is restricted by temperature, and the upper thermal limit of viperfish is 12° to 15 °C. [6] In tropical waters, viperfish tend to stay in the deep layers and not migrate much, while in temperate waters viperfish are more actively migrating and even interacting with epipelagic predators.