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A creek chub with black spot disease. Black spot disease is a disease affecting fish. It is caused by larvae (metacercariae) of Diplostomatidae or Heterophyidae flatworms, which are encysted in the skin. It can affect both freshwater and marine [1] fish. [2] [3] It appears as tiny black spots on the skin, fins, and flesh of the fish.
The telescope, telescope goldfish or telescope eye (Chinese: 出目金; pinyin: Chū mù jīn) is a goldfish characterised by its protruding eyes. [1] [2] [3] It was first developed in the early 1700s in China, where the trait was referred to as dragon eyes. Variants are called the Black Moor and the Panda Moor.
Common Goldfish come in a variety of colors including red, orange, "gold", white, black, and yellow ('lemon') goldfish. The Black Telescope is a black-colored variant of telescope goldfish that has a characteristic pair of protruding eyes. It is also referred to as popeye, moor, kuro-demekin in Japan and dragon-eye in China. The small Bubble ...
Due to its upturned eyes, an aquarium with rough objects should be avoided, as that can harm or hurt their eyes or even cause blindness. It is developed from the dorsal-less telescope eye goldfish. Some celestial eye goldfish have a dorsal fin. Bubble eye goldfish - The small, fancy bubble eye has its eyes accompanied by two large fluid-filled ...
Bubble Eyes have metallic scales, and they are similar to the celestial eye goldfish. [3] The eyes of the Bubble Eye goldfish are normal in the young fry but will start to develop eye bladders three months after hatching. [3] Like ranchu, the bubble eye goldfish lacks a dorsal fin and has a double tail. [4]
The eyes are positioned on the top of the head, and the fish floats at the water surface with only the lower half of each eye underwater. The two halves are divided by a band of tissue and the eye has two pupils, connected by part of the iris. The upper half of the eye is adapted for vision in air, the lower half for vision in water. [35]
Like humans and other animals, fish suffer from diseases and parasites.Fish defences against disease are specific and non-specific. Non-specific defences include skin and scales, as well as the mucus layer secreted by the epidermis that traps microorganisms and inhibits their growth.
The butterfly telescope goldfish is a variant form of the telescope goldfish with protruding eyes and is best appreciated by viewing it from above. While this tail variation is commonly paired with the telescope eye variation, 'butterfly shaped tails' may be present in other goldfish standard varieties such as ryukins or orandas. The tail ...