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Silkies appear in two distinct varieties: bearded and non-bearded. Bearded Silkies have an extra muff of feathers under the beak area that covers the earlobes. They also are separated according to color. Colors of Silkie recognized for competitive showing include black, blue, splash, lavender, buff, grey, partridge, and white.
They are bottom-dwelling fish, found down to about 800 m (2,600 ft) depth. Most are relatively small fish, although one species, Polymixia berndti, is over 40 cm (16 in) in length. [3] The earliest body fossils are from the Late Cenomanian of Lebanon, of the genus Pycnosteroides. [4]
These fish can display homing behaviour and are normally found no deeper than the lower limit for the growth of green algae, around 20 metres (66 ft). They are predatory fish and the major part of their diet is crustaceans but they will eat polychaetes, gastropods and small fish, they have also been recorded consuming algae. The five-bearded ...
Brotula barbata, commonly known as the bearded brotula, Atlantic bearded brotula, or sugarfish, is a species of cusk-eel in the genus Brotula. It lives in the Atlantic Ocean, in depths of up to 300 meters. Its coloring ranges from olive-brown to red-brown, and it grows up to be around 50 centimeters. It has a carnivorous diet, and it is oviparous.
After the appearance of jawed fish (placoderms, acanthodians, sharks, etc.) about 420 million years ago, most ostracoderm species underwent a decline, and the last ostracoderms became extinct at the end of the Devonian period. More recent research indicates that fish with jaws had far less to do with the extinction of the ostracoderms than ...
Scorpaenopsis barbata, the bearded scorpionfish, is a species of venomous marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. This species is found in the Indian and Pacific Oceans .
The three-bearded rockling (Gaidropsarus vulgaris) is found in European waters from the central Norwegian coast and the Faroe Islands, through the North Sea, and around the British Isles to the region around the western Mediterranean. They can grow to a maximum length of 60 cm (2 ft).
Pentaceros richardsoni is a species which is found around the globe in the temperate waters of the Oceans of the Southern Hemisphere. It has been recorded from southern Australia, New Zealand and Cape Horn in Chile in the Pacific, off eastern South Africa in the Indian Ocean and the Western Cape and Tristan da Cunha in the Atlantic Ocean.