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fish [2021/05/27 11:01] rapidplatypus [The candiru] |
fish [2022/07/20 05:17] (current) aga |
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====== Fish ====== | ====== Fish ====== | ||
- | ==== The toothless Garra Rufa ==== | + | ==== Freshwater sturgeon |
- | [[garra_rufa|]] | + | The American paddlefish, polychaete, or paddlefish |
- | ==== The candiru ==== | + | |
- | [[candiru|]] | + | |
- | ==== The Picasso Triggerfish ==== | + | |
- | The Picasso Triggerfish | + | |
- | ==== The coastal dugong | + | ==== Species of marine blowfish |
- | The coastal dugong | + | The Picasso triggerfish |
- | ==== The American paddlefish | + | ==== Sensory organ ==== |
- | The American paddlefish, polychaete, paddlefish | + | The snout — a rostrum shaped like a horizontally arranged paddle — is sometimes half the length of its entire body and functions as a sensory organ. |
+ | [([[https:// | ||
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+ | ==== Toothless Garra rufa ==== | ||
+ | The toothless Garra rufa can feed on the exfoliating epidermis of people suffering from certain skin conditions such as psoriasis. [([[https:// | ||
+ | |||
+ | ==== Mouth wide open ==== | ||
+ | It characteristically grabs its food, which consists mainly of pelagic crustaceans, | ||
+ | [([[https:// | ||
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+ | ==== Vandellia cirrhosa ==== | ||
+ | The candiru (Vandellia cirrhosa) lives in the rivers of the Amazon and feeds exclusively on the blood of larger fish, entering their gills and biting through their blood vessels. It satisfies its hunger within a minute and swims away in search of new prey, which it finds by the smell of ammonia emitted from its prey's gills as it breathes. [([[https:// | ||
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+ | ==== Multicolored arrangement of streaks | ||
+ | The body of the fish has a multicolored arrangement of streaks and spots reminiscent of Pablo Picasso' | ||
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+ | ==== Spawns ==== | ||
+ | It spawns in early spring in rivers and lakes in turbid water with sandy gravel or rocky bottom. The female lays 80-250 thousand grains of eggs. She then forms large flocks that swim into larger tributaries or lakes. In its habitat, it stays away from the shore at considerable depths. | ||
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+ | ==== Up to 30 minutes ==== | ||
+ | Treatment involves submerging the limbs, sometimes even the entire body, in an aquarium with these fish. One treatment usually takes up to 30 minutes and several hundred fish are needed. Opponents of ichthyotherapy draw attention to the risk of waterborne diseases. [([[https:// | ||
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+ | ==== Studies of color vision in fish ==== | ||
+ | Picasso' | ||
+ | |||
+ | ==== Feed on algae and small organism ==== | ||
+ | In natural conditions, they feed on algae and small organisms living there. In the aquarium, they should be fed with plant food such as spirulina tablets, cucumber, melon, spinach, or zucchini supplemented with frozen and live animal food such as chironomid, tubeworm, or artemia (chopped earthworm). | ||
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+ | ==== Candiru enters the urinary tract ==== | ||
+ | There are cases when candiru enters the urinary tract of large mammals, including humans who urinate in the water. Heading upstream of the flowing urine, the fish enters the urethra and falls into a trap from which it is impossible to escape because of the sharp spines. The fish dies but can only be removed surgically. | ||
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+ | ==== Mermaid' | ||
+ | The coastal dugong (Dugong dugon) | ||
+ | |||
+ | ==== Aggressive ==== | ||
+ | For too long " | ||
+ | |||
+ | ==== Sea cows ==== | ||
+ | Commonly known as "sea cows", dugongs graze peacefully on seagrasses in the shallow coastal waters of the Indian Ocean and western Pacific. [([[https:// | ||
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+ | ==== Movement ==== | ||
+ | Note that these fish can move vertically or hover like a helicopter. | ||
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+ | ==== Cousins to manatees ==== | ||
+ | Dugongs are cousins to manatees and have a similar plump appearance, but have a tail similar to dolphins' | ||
+ | [([[https:// | ||
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+ | ==== Illegal harvesting ==== | ||
+ | Because | ||
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+ | {{tag> |