Sulawesi fan shrimp facts for kids
Quick facts for kids Sulawesi fan shrimp |
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| Conservation status | |
Scientific classification  |
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| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Malacostraca |
| Order: | Decapoda |
| Family: | Atyidae |
| Genus: | Caridina |
| Species: |
C. longidigita
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| Binomial name | |
| Caridina longidigita Cai & Wowor, 2007
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| Lake Poso, Sulawesi, Indonesia | |
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Caridina longidigita, also known as the Sulawesi fan shrimp, is a type of freshwater shrimp. It belongs to a family called Atyidae, which includes many small freshwater shrimp species.
Contents
About the Sulawesi Fan Shrimp
What Does It Look Like?
The Sulawesi fan shrimp has some cool features! Its eyes are quite big, about 80% the length of the first part of its antennae. The antennae themselves are long, almost as long as the shrimp's main body shell, called the carapace.
Its Nose and Mouth
This shrimp has a special nose-like part called a rostrum. It sticks out almost to the end of another antenna-like part called the scaphocerite. The rostrum curves upwards and has many small teeth, usually 12 to 21 on top and 10 to 18 underneath. Some teeth are even on the carapace behind its eyes.
The shrimp's mouth parts are also interesting. It has a mandible for chewing, with jagged teeth. Other parts, like the maxillula and maxilla, help it handle food.
Body and Tail
The Sulawesi fan shrimp has several body segments. The sixth segment is about half the length of its carapace. Its tail, called the telson, is long and narrow, about three times longer than it is wide. The telson has four pairs of small spines on its back half and four pairs of spines at its tip. The longest spines are on the sides. The shrimp also has movable spines on its uropodal diaeresis, which is part of its tail fan, usually 11 to 14 of them.
Where Does This Shrimp Live?
The Sulawesi fan shrimp is a special creature because it lives in only one place in the world! It is an endemic species, meaning it is found exclusively in Lake Poso. This lake is located on the island of Sulawesi in Indonesia.
Lake Poso is a large freshwater lake, covering about 323 square kilometers. It is the only natural home for Caridina longidigita. You can find these shrimp living on the rocky shores of the lake, as well as on gravel and sandy areas. They often hang out underwater, sometimes deeper than 3 meters, living on big rocks. The water in Lake Poso is warm, usually between 24 and 29 degrees Celsius (75-84 degrees Fahrenheit). It's also a bit alkaline, with a pH level between 9 and 10.
What Does Its Name Mean?
The name longidigita comes from two Latin words: "long" and "digita." These words describe its very long, fan-like "fingers" or claws.
Images for kids
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A close-up view of the Sulawesi fan shrimp.
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A satellite image showing Lake Poso, the only home of the Sulawesi fan shrimp.
 | Precious Adams |
 | Lauren Anderson |
 | Janet Collins |
