Scallion shaped diagonal crab
The Chinese name is the scaled diagonal crab, also known as the reef flat or white bottom crab. It belongs to the genus of diagonal crabs in the order Decapoda of the phylum Arthropods in the animal kingdom. It is a marine organism. The head and chest armor of the scaled diagonal crab is nearly circular, with a width of about 5.5 centimeters, slightly larger than its length. There are two deep cracks on the forehead, and a concave groove in the middle of the central protrusion. There are many particles of different sizes and flat particles resembling scales scattered on the head and chest armor. The particles are surrounded by fine short bristles, and there are a total of four spines on the anterior edge including the posterior spines of the eyes. The ventral surface has smooth steps and feet without horizontal stripes.
Japanese crab
Japanese crabs, also known as red armored crabs, sea red crabs, sand crabs, stone crabs, stone crabs, etc., are a species of crab in the family Crabs. It is distributed in Japan, Malaysia, the Red Sea, Taiwan Island and Chinese Mainland in Guangdong, Fujian, Zhejiang, Shandong Peninsula, Liaodong Peninsula and other places. This type of crab often inhabits low tide lines, underwater areas with aquatic plants or mud, and/or lurks under rocks. In scientific classification, it belongs to the animal kingdom, arthropod phylum, crustacean subphylum, soft shelled class, Decapoda, abdominal embryo subphylum, swimming crab family, and crab genus.
Big mole cricket shrimp
The large mole shrimp is a species of animal belonging to the mole shrimp genus in the mole shrimp family. It is distributed in places such as the Korean Peninsula and the Shandong Peninsula in China. This type of shrimp often inhabits the muddy banks of freshwater rivers near the coast or in swamps near the shore. In scientific classification, it belongs to the animal kingdom, arthropod phylum, crustacean subphylum, softshell class, Decapoda, mole shrimp family, and mole shrimp genus. The scientific name of this shrimp was first named by De Haan in 1841.
Scylla olivacea
The olive green crab is a species of animal in the family Crabaidae, belonging to the genus Crabapple. It is a commercially important crab species distributed in the Indo Western Pacific region, including Southeast Asia, South Asia, Japan, North Australia, as well as the East and South China Seas of China. Due to its fast growth, large size, and strong adaptability, its meat is delicious and has high nutritional value. It is a traditional precious seafood and artificial breeding object in Southeast Asia, South Asia, and Taiwan. Its claws are orange red in color, and its carapace is horizontally elliptical, with a width of up to 18 centimeters and pointed sides.
Red clawed mantis arm crab male
The red clawed mantis arm crab is an arthropod belonging to the family Characidae in the order Decapoda. The width of the head and chest armor is slightly larger than its length, square in shape, and has a smooth surface. Wide forehead, straight leading edge, sharp ridge behind forehead; The outer eye socket is triangular in shape; Sharp and toothless edges. Steps 1-4: The last 3 segments of the foot have black hard bristles; Abdominal triangle, tail segment nearly circular. Male claws are larger than females, with high palmar nodes and granular dorsal edges. The middle of the inner side has granules, while the outer side is smooth and often blood red in color; The gap between the two fingers of the male claw is larger than that of the female claw, and the inner edges of the two fingers are serrated, with one larger tooth at each end. The female abdomen is round and large.
Red clawed mantis arm crab female
The red clawed mantis arm crab is an arthropod belonging to the family Characidae in the order Decapoda. The width of the head and chest armor is slightly larger than its length, square in shape, and has a smooth surface. Wide forehead, straight leading edge, sharp ridge behind forehead; The outer eye socket is triangular in shape; Sharp and toothless edges. Steps 1-4: The last 3 segments of the foot have black hard bristles; Abdominal triangle, tail segment nearly circular. Male claws are larger than females, with high palmar nodes and granular dorsal edges. The middle of the inner side has granules, while the outer side is smooth and often blood red in color; The gap between the two fingers of the male claw is larger than that of the female claw, and the inner edges of the two fingers are serrated, with one larger tooth at each end. The female abdomen is round and large.
Medium sized round square crab
Medium sized round square crab is a species of crab in the family Crabaidae and genus Crabapple. It is distributed in North Korea, the Indian Ocean, and Taiwan Island. This type of crab often inhabits under rocks or between pebbles at the high tide line, and its living environment is seawater. In scientific classification, it belongs to the animal kingdom, arthropod phylum, crustacean subphylum, soft shelled class, Decapoda, Caesarea, short tailed suborder, Crabapple family, and Crabapple genus. The scientific name of this crab was first named by Ortmann in 1894.
Ozawa Crab
Ozawa crab is a freshwater crab belonging to the genus Ozawa. It coexists with Geothelphusa dehaani in river habitats in southern Kyushu, Kagoshima Prefecture, and the Osumi Peninsula in Japan. With G Compared to Dehaani, the maximum body size of the Ozawa crab is smaller and it mainly lives in water (aquatic), while G Dehaani may live both in water and on land (amphibious). The differences in habitat and activity patterns among Geothelphusa species are attributed to their microenvironment and the impact of interspecific competition in symbiosis.
Sesarma bidens
The Sesarma bidens, also known as the Double Toothed Hand Crab, belongs to the family Crabs and the genus Sesarma. The two tooth hand crab is distributed in North Korea, Japan, the Philippines, the Malay Islands, Andaman, Sri Lanka, India, Taiwan Island, as well as Guangxi, Guangdong, Hong Kong, Fujian and other places in the Chinese Mainland. Its living environment is seawater, which is mostly found on mudflats near estuaries and far away from water.
Metopograpsus quadridentatus
The Four Toothed Large Crab (scientific name: Metopograpsus quadridentatus) is an animal belonging to the genus Large Crab in the family Crabs. It is distributed in Malacca, Java, Balibaban, Kalimantan, New Guinea, the Indian Ocean, and Guangdong, Fujian, Zhejiang, Shandong and other places in Chinese Mainland. Its living environment is sea water, which is mostly found in rock cracks or under rocks at the low tide line.
Chasmagnathus convexus
Chasmaganathus converxus, also known as the long backed open mouth crab, belongs to the family of square crabs. Some individuals have a bright purple color all over their body and red joints, which are easily recognizable, but some individuals have a yellowish color that is very similar to Taiwan thick crabs. Cave dwellings are found around grassy marshes near river mouths, between field ridges, mangrove swamps, and along earthen embankments. There are collection records in both the Jianxing ephedra forest and the Wenliao mangrove forest.
Dehani Sawa Crab
The Geothelphusa dehaani crab (scientific name: Geothelphusa dehaani) is a type of crab classified in the order Shrimp (Decapoda), suborder Crabs, and family Characidae. It is a unique species in Japan, a pure freshwater crab that spends its entire life in freshwater areas. The specific name dehaani in the scientific name is named in honor of the Dutch zoologist Wilhelm de Haan, who made contributions to the classification of crustaceans in Japan.
Chiromantes dehaani
Chiromantes dehaani, formerly known as Chiromantes dehaani, originally belonged to the family Characidae and genus Chiromantes. After separating from the family Characidae, Chiromantes dehaani was reclassified as Chiromantes and genus Chiromantes dehaani. It is distributed in Korea, Japan, Taiwan Island, Hainan Island, Guangdong, Fujian, Zhejiang, Jiangsu, Liaodong Peninsula and other places in Chinese Mainland, and generally lives on the muddy banks of offshore freshwater rivers or in offshore marshes. It is the second intermediate host of mouse lung flukes.
Sea squirt shrimp
Thalassina anomala (scientific name: Thalassina anomala) is an animal belonging to the family Thalassidae in the order Decapoda of the phylum Arthropoda in the animal kingdom. The head and chest armor of the sea squirt shrimp genus is slightly flattened and swollen on the side, slightly elliptical in shape, calcified and thick, with two longitudinal sutures (sea squirt shrimp sutures), small frontal horns, and pointed spines. Abdominal degeneration, slender and flat, without obvious lateral armor. The first and second steps are characterized by sub chelation of the feet, with the first pair being thick and asymmetrical, with the knuckles greatly extending beyond the end of the immobile fingers.
Anthropomorphic face crab
The anthropomorphic crab is a species of crab in the anthropomorphic crab family, also known as the carrier crab. It occurs in the eastern Atlantic and Mediterranean, from Angola to Norway, the Northern Islands, and Iceland. It is benthic and occurs at depths of 10-1212 meters, but is mainly found at depths exceeding 80 meters. It prefers areas with soil and emerging rocks, and has been observed in deep-water coral gardens and sponge gathering areas.
Red eyed Snow Crab
Red eyed snow crab, also known as Bai's snow crab or long footed crab, is a type of snow crab. It is very similar to the gray eyed snow crab and is both found in the Bering Sea. The difference is that it is only found in the northern Pacific Ocean and is commonly referred to as the "snow crab" when sold. In the United States, it is also known as the cobbler crab, and in Japan, it is also known as the Great Chu crab or the big headed dwarf crab. Due to overfishing, the population of red eyed snow crabs has significantly decreased.
Platycodon grandiflorus crab
Platycodon grandiflorus, commonly known as orange mud crab, is a species of important commercial value in the mangrove crab genus. It is one of several crabs known as mud crabs, distributed in mangrove areas from Southeast Asia to Pakistan, from Japan to northern Australia. Like other species in the Scylla genus, it is widely cultivated using wild caught populations in aquaculture.
sesarma haematocheir
The red clawed hand crab is an arthropod belonging to the family Tetraodontidae in the order Decapoda. The width of the head and chest armor is slightly larger than its length, square in shape, and has a smooth surface. Wide forehead, straight leading edge, sharp ridge behind forehead; The outer eye socket is triangular in shape; Sharp and toothless edges. Steps 1-4: The last 3 segments of the foot have black hard bristles; Abdominal triangle, tail segment nearly circular. Male claws are larger than females, with high palmar nodes and granular dorsal edges. The middle of the inner side has granules, while the outer side is smooth and often blood red in color; The gap between the two fingers of the male claw is larger than that of the female claw, and the inner edges of the two fingers are serrated, with one larger tooth at each end. The female abdomen is round and large.
Chinese mitten crab specimen
The Chinese mitten crab is an arthropod belonging to the family Eriocheir in the order Decapoda of the phylum Arthropoda. Its head and chest armor are round and square, with the back half wider than the front half; The back is raised, the forehead and liver area are depressed, and there are six symmetrical protrusions in front of the stomach area, each with particles; The boundary between the gastric and cardiac regions is significant, with concave points around the former; Forehead width, divided into four teeth; The upper edge of the eye socket protrudes near the middle, forming a triangle; The anterior margin has four sharp teeth and runs diagonally on the outer side of the gill area; The inner and outer surfaces of the base of the palmar and phalanges are densely covered with fuzz. The inner corner of the wrist has a sharp spike, and the dorsal edge of the long segment has a sharp spike similar to the long segment of the foot. The Chinese mitten crab is also known as the river crab or hairy crab.
Long live big eyed crab specimen
Macrophthalmus banzai (scientific name: Macrophthalmus banzai) is an animal belonging to the genus Macrophthalmus in the family Macrophthalmidae of the sand crab superfamily. The eye sockets are long, the eye stalks are slender, the palms are long, and the two directions are bent downwards. The fingertips are spoon shaped, and the whole body is earthy brown, but the color of the sting is relatively light. When hidden in water, the slender eyes stand upright and protrude from the water surface, and male big eyed crabs have the habit of swinging their double stings, so they are also known as "long live big eyed crabs". Distributed in Japan, Taiwan, China, Hong Kong and Shandong
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