African Butterfly Fish Specimen
African butterfly fish (scientific name: Pantodon buchholzi, name: Pantodontidae) is a small carnivorous freshwater fish unique to Africa, with unique appearance and behavior habits. Belongs to the bone tongue fish (bone tongue general order) butterfly fish family, is the only existing genus of the family (Pantodon) representative species. It is mainly distributed in freshwater basins in central and western Africa, such as the Congo River, the Niger River, and the Benuer River. It is common in still or slow-flowing waters, such as lakes, swamps and river sections with dense water and grass.
African saury specimen
African saury (scientific name: Notopteridae, common species such as Xenomystus nigri) is a unique fish of the bow-fin family distributed in African freshwater waters. It belongs to the order of bone-tongue fish (bone-tongue general order) and is mainly distributed in rivers, lakes and swamps in West and Central Africa, such as the Nile and Congo River basins.
Bering Sea round bellied fish
The Bering Sea round bellied fish (Aptocyclus ventricosus) is a fish species in the family of round finned fish, belonging to the genus round bellied fish. It has suction cup shaped fins on its abdomen. Distributed in the North Pacific Ocean, it migrates from the deep sea to coastal areas in order to lay eggs, and breeds at the bottom of rocks in shallow waters deeper than 10 meters. Can be used as a food fish. The body is brownish gray in color, with dark spots on the back and gray on the abdomen. The pectoral fins are wide and have evolved into suction cups, and the skin is smooth without scales or small tumors. The dorsal fins have 8-9 soft stripes and the anal fins have 7-9 soft stripes. The body length can reach 41 centimeters, and it has a circular tail fin.
Shoulder spotted female dog fish
Synodus hoshinonis, also known as shoulder spotted dogfish, is a fish species belonging to the family of dogfish and the genus of dogfish. It is distributed in the Indian Ocean, Pacific Ocean, South China Sea, East China Sea, and other sea areas, and is commonly found in tropical oceans with a depth of 10 meters.
Chelidonichthys spinosus
The small eyed green finned fish is a fish species belonging to the family Meguridae and the genus Green finned fish. The body is elongated and slightly flattened. The back and sides of the head are covered with bone plates. The cheeks have strong edges. The snout process is relatively round and short, with small spines on it. The posterior cervical spine, opercular spine, and scapular spine are all shorter than the eye diameter. There are small spine shield plates on both sides of the dorsal fin base. Small and round scales; There are no scales on the head, chest, and anterior abdomen, and the number of lateral scale holes is 64-66. The anal fin is opposite to the second dorsal fin; The pectoral fins are relatively short and only extend below the anterior base of the second dorsal fin. Red on the back and side, white on the abdomen; The inner surface of the pectoral fins is dark olive green, with many blue spots scattered in the lower half and a blue border.
Flower tailed black tailed catfish
Flower tailed black tailed catfish is a food fish with a tall body and a spindle shape; The standard body length is approximately 2.4-2.9 times the body height. Small mouth, end position; The maxilla has elasticity and is partially covered by the preorbital bone; The anterior maxilla has a finger like protrusion; There are one or two rows of fine teeth in front of the upper and lower jaws, and the hoe bone also has a narrow band of fine teeth. The posterior edge of the gill cover has a small blunt spine, and the anterior gill cover has no serrations. Distributed in the tropical waters of the Indo Western Pacific, from the east coast of Africa and the Red Sea in the west, to the Solomon Islands in the east, to the Ryukyu Islands in the north, and to Australia in the south. It is found in the reef waters along the southern and eastern coasts of Taiwan, China, China.
Sea carp
The sea carp is a species of marine fish in the family Auchenipteridae, belonging to the genus Auchenipteridae. The body is elongated and laterally flattened, the dorsal edge is relatively straight, the ventral edge is slightly convex, the caudal peduncle is wide and short, and the caudal peduncle length is slightly smaller than the caudal peduncle height. The body length is 3.4-4.1 times the body height and 3.6-4 times the head length. Big head. Slightly elevated mouth; The lower jaw is more prominent, and the upper jaw extends backwards, close to the posterior edge of the eye. Having a throat plate. The body is covered with large and thin round scales, and there are no angular scales on the abdomen; Keep going straight on the side line, with a scale of 36-40 on the side line. The dorsal fin is located in the center of the body and the last fin is elongated into a filamentous shape; The starting point of the pelvic fin is below the starting point of the dorsal fin; The anterior fin of the anal fin is longer than the posterior fin.
Orange mimic fish
The orange catfish, belonging to the order Siluriformes and family Bagridae, is a species of temperate freshwater fish found in freshwater basins in Asia. It can grow up to 16.5 cm in length and inhabits the bottom layer of water. Its living habits are unknown.
Red salmon
Red salmon is distributed in the circumpolar regions along the coasts of Europe and America, as well as on islands in the Arctic, and is the farthest freshwater fish to penetrate the Arctic region. In the Arctic water system, this species is mainly of the upstream type, but there are also settled types in some lakes and marshes. The upstream red salmon can grow up to 70 centimeters in length and weigh up to 4 kilograms. On Novaya Zemlya, red salmon winter in the lakes and marshes upstream of the river. From June to July, they begin to swim into the sea, and adult red salmon in the sea feed mainly on various small fish. The juvenile of red salmon is mainly distributed in salty and freshwater lakes and downstream rivers, feeding on larvae of the Chironomidae family, water jumping insects, and copepods. As they grow, they mainly feed on flying insects when they are larger.
Horizontal banded pseudo orbital spiny perch
Parascolopsis inermis, also known as the horizontal banded perch, is a species of fish belonging to the family Parascolopsis in the genus Parascolopsis. Commonly known as the horizontal banded spiny perch and the horizontal banded red tailed winter, it is distributed in the South China Sea and Taiwan in China.
Rapids catfish
The whitewater catfish is a freshwater fish. It belongs to the Amblycipitidae family. These catfish live in cobbles, boulders and rock crevices on the riverbed. The whitewater catfish has sharp venomous spines on its pectoral and dorsal fins. The whitewater catfish usually grows to around 9 centimeters (3.5 inches) in length.
Blue pseudo black tailed catfish
The blue pseudo black tailed catfish (scientific name: Paracaesio caerulea), also known as the green red snapper, green chicken, and large gong, is a species of the genus Paracaesio in the family Cichlidae. Produced in northern, eastern, and southern Taiwan. The body is elongated and slightly skewed; The standard body length is approximately 2.7-2.9 times the body height. The distance between the eyes is significantly prominent. There is no groove in front of us. The lower jaw protrudes slightly from the upper jaw; The end of the maxilla extends below the anterior edge of the eye; The maxilla lacks scales. The upper and lower jaws have band shaped teeth, the outer teeth are enlarged, and the front teeth are canine shaped; A hoe with teeth. The body is covered with small and medium-sized comb scales, with bare scales on the dorsal and anal fins.
Hammerhead sharks
The hammerhead shark is a general term for the family of hammerhead sharks in the order Siluriformes of the phylum Chordata. The body of the hammerhead shark is elongated, the head is flat, and the front two sides are extended, forming a chain like protrusion; Tail side flattening; Kiss wide and short, with a curved front edge; Round eyes, located at the front of the head, giving it binocular vision and a 360 degree panoramic view, enabling it to accurately perceive the position and distance of the other person; The pelvic fins are slightly larger than the anal fins and are nearly square in shape; Large pectoral fins; The back and side of the body are gray brown, and the belly is light white. The hammerhead shark, also known as the hammerhead shark, is named after its T-shaped head shape.
Pseudogobio esocinus
Long snout resembling a catfish, with 3, 7 dorsal fin strips; Pectoral fin strips 1, 14; Abdominal fin strips 1, 7; Hip fin strips 3, 6. Gill rakes 10-12. Two rows of swallowing teeth, 2.5 to 5.2. Side scale 42 [5/(3-V)] 43; Dorsal fin anterior scales 11-12; 12 scales around the caudal peduncle.
Japanese striped loach
The scientific name of the Japanese striped loach is Cobitis biwae, which is a native fish species in Japan. Found in sandy and gravelly substrates in rivers. This species is a native species of this state. However, it was not found in Yamaguchi Prefecture. It is considered an invasive species in Lake Chuzenji and eastern Shizuoka Prefecture. Because they are small and easy to raise, they are also farmed as ornamental fish.
Green backed Mullet
Green backed mullet is a fish species found in the Indo Pacific region. Fish schools form in shallow waters and enter lagoons, estuaries, and freshwater areas to forage. Juvenile fish may enter rice paddies and mangroves. It is mainly distributed in coastal areas with sandy and muddy bottoms, and is also commonly found in brackish water environments such as estuaries or mangroves. Feed on organic debris in the bottom soil or plankton in the water. The common length is about 25 centimeters, but it can reach up to 40 centimeters.
Spotted grouper
The spotted grouper is a bony fish species belonging to the family Serranidae in the order Perciformes. The body of the spotted grouper is elongated into an oval shape, flattened and tall on the side; Small head, slightly slanted and straight back edge; Kiss slightly pointed, with wide and round eye gaps; Small mouth, end position, unable to expand or contract; The upper and lower jaws are approximately equal in length, and the teeth of both jaws are fused with the jawbone; The gaps between each tooth are filled with limestone, forming a sturdy dental arch. The spotted grouper is mainly distributed in clear waters with deep seawater such as the Yellow Sea, East China Sea, and Taiwan in China.
Izu stingray
Izu rays are a medium-sized benthic fish with a body disc width of up to 73 centimeters. It is a nearshore species mainly found on the continental shelf, with a known depth range of 10-25 meters, but may appear in deeper places; In the East China Sea, it has been reported at a depth of 180 meters. The pectoral fin plate of the Izu stingray is diamond shaped, slightly wider than long, with a smooth golden brown color, and a whip like tail with a low keel above and a fin fold below. The fin folds are white, which distinguishes the Izu ray from all other Pacific members of its family.
Songjiang perch
The Songjiang perch is a fish species belonging to the family Scorpaenidae in the order Scorpaeniformes. The front part of the adult fish is flat and flattened, the middle part is nearly cylindrical, and gradually becomes thinner and flattened towards the back; Big head, wide and flat; Wide mouth, end position; The kiss is wide and round, with the maxilla extending below the posterior edge of the eye. China produces along the coasts of the East China Sea, Yellow Sea, and Bohai Sea. It lives in shallow sea, estuaries, fresh water Rivers and Lakes and other waters. Carnivorous fish, planktonic stage, prefer to feed on copepods, brine shrimp larvae, branchiopods, shrimp larvae, etc; The benthic period shifts to feeding on shrimp, oligochaetes, annelids, etc; During the juvenile and adult stages, they feed on shrimp and small fish, and stay up during the day and come out at night.
Qingchui
The medaka, also known as the rice medaka, is a species of fish in the family medaka and genus medaka. The body of the medaka is long, flattened, with a straight back and a round and narrow belly. The head is wide and flat. Small mouth, upper position, transverse fissure, longer lower jaw. Eyes are large, located on the upper side, and the distance between the eyes is wide and flat. The top of the head and gill cover are covered with scales. The dorsal fin is located at the back of the body. Qingchui is a small freshwater mid to upper level fish. It lives in ditches, paddy fields, ponds, and aquatic plants along rivers, lakes and reservoirs. Xi Qun swims in still and slow-moving water areas.
Striped Barrage Fish
Striped sandfish, also known as silver line sandfish, is a type of sandfish. It originates from the African coast of the Indian Ocean to the Mariana Islands and Samoa in the western Pacific, as well as from the Ryukyu Islands southward to Australia in terms of seawater, freshwater, and brackish water. This species appears in mangroves and palm forests and can cross muddy surfaces when leaving the water surface. It can reach a total length of 19 centimeters.
Pine ball fish
Pine ball fish is a species of fish belonging to the pine ball fish family. It is distributed in the western Pacific Ocean of India, including the Red Sea, South Africa, South Japan, Taiwan, Australia, New Zealand and other sea areas. Distributed in Taiwan, including the southern part and the waters around Orchid Island and Green Island. The adult body length of the pine ball fish is about 13-17 centimeters, characterized by specialized scales in the form of shield armor and slightly hexagonal markings on the side of the body. It is the most beautiful ornamental fish in the order of cichlids. Living in tropical waters ranging from 10 to 200 meters, they inhabit rocky depressions or caves during the day and venture out to search for food at night.
Big headed cod
The Chinese name for the big headed cod is a fish belonging to the cod family. It is distributed in the Yellow Sea and Bohai Sea of China; Overseas to North Korea and the Pacific Ocean north of Los Angeles. The bighead cod is a cold water bottom dwelling fish that typically inhabits sea areas at depths of 50-80m. The body length is generally 21-70cm. The fins of the bighead cod have no hard spines and are entirely composed of fin strips. Abdominal fin throat position. There is one whisker in the chin of the lower jaw, and both jaws and the plow bone have fuzzy teeth. The scales are very small. It produces and operates food from small and medium-sized fish and invertebrates.
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