CATDOLL : CATDOLL: What fish are in the family Anguilla? What eels are not in the family Anguilla?

1. What fish belong to the family Anguilla?

There are 18 species of eels in the world, of which Taiwan has four families: Japanese eel, sea bass eel, Celebes eel and shortfin eel. However, only the Japanese eel is the most common, while the other three are very rare.

2. Which eel does not belong to the eel family?

The electric eel is not an eel. It looks like an eel, but its structural structure makes it look more like a carp than an eel. The electric eel is a freshwater fish that lives in rivers in Central and South America. It is about 2 meters long and weighs nearly 20 kilograms. It has a special ability to discharge electricity, with a voltage of up to 300 volts, which can stimulate animals and humans in the river.

3. What is the per-acre yield of fish in Guangdong?

At present, in Guangdong, the average yield of sweet-scented osmanthus fish per mu is about 4,000 kilograms, and 3,000 seedlings are enough. It is generally believed that sweet-scented osmanthus fish is not so suitable for high yield per mu. However, this year in Foshan, Guangdong, there was a fish that produced 9,300 kilograms per mu, which is indeed a master of sweet-scented osmanthus breeding!

4. List of protected fishes in Guangdong?

The Chinese white dolphin and Tridacna cuspidata are national second-class protected animals, including green turtles, hawksbill turtles, leatherback turtles, three-lined box turtles (golden coin turtles), giant salamanders (baby fish), flower eels, mountain softshell turtles, etc. In addition, there are whale sharks, yellow-throated turtles (stone golden coin turtles), yellow-margined box turtles, Annam turtles, Ambu box turtles, black-necked turtles, Asian giant tortoises, Chinese lobsters, splendid lobsters, broad-fronted perch (grouper), humpback perch (Humpback wrasse), hybrid sturgeons, Chinese horseshoe crabs, etc., which are listed in the CITES list and Guangdong Province's key list of rare aquatic wild animals.

5. Is lamprey a cartilaginous fish?

In terms of classification, it belongs to the family Lampreydae of the class Cyclostomum, not to the class Chondrichthyes. Lampreys belong to the class Cyclostomum.

6. What are the works about fish in Guangdong throughout the ages?

Huang Shengzeng's "Fish Breeding Guide", Gu Qiyuan's "Fish Products", Chen Jian's "Fresh Fish in the River", Zhu Yan's "Fish Catalog"

7. Which fish are the most expensive in Zhuhai, Guangdong?

: There are dog claw fish, spicy fish, sea bass, yellow croaker, eel, kingfish, pomfret

8. A complete atlas of freshwater fishes in Guangdong?

Crucian carp is one of the most common freshwater fishes in my country. It is a general term for freshwater fishes of the genus Crucian carp in the family Cyprinidae. It is commonly known as crucian carp seeds, native crucian carp, crucian carp shells, etc. It is distributed in ponds, streams, rivers, lakes, reservoirs, swamps and other water bodies across the country. It is omnivorous and likes to travel in groups and live where it chooses food. It mainly feeds on aquatic plants, algae, aquatic insects and larvae.

Carp is one of the most common freshwater fishes in my country. It is a general term for freshwater fishes of the Cyprinidae family, commonly known as carp, carp, red tail, etc. It is named because of the cross texture on its scales. It is widely distributed throughout the country. It is omnivorous, eating both meat and vegetables. It has a wide range of food repertoires. When foraging, it often digs for seeds, insect eggs, etc. in the soil like a pig.

Grass carp is one of my country's "four major carps". It is a freshwater fish of the genus Grass Carp in the family Cyprinidae. It is commonly known as oil carp, grass carp, white carp, etc. It is named because it mainly feeds on aquatic plants. It is widely distributed or farmed throughout the country. It is herbivorous and often lives in rivers, lakes and other water bodies in plains. It likes to live in the middle and lower layers of water bodies and nearshore areas with abundant aquatic plants.

9. What are the main fish species in Guangdong Province?

Grass carp, silver carp, bighead carp and carp (referred to as the "four major carps") are the main freshwater fish species in Guangdong Province and the main body of freshwater aquaculture products. Red-eyed trout, dace, yellowtail carp, flower minnow, Guangdong bream! Rare and endangered species include flower eel, Pearl River long-hipped abalone, Taiwan fine bream and many other fish species unique to the Pearl River system. These species are all unique to the Pearl River.

10. What are the differences between sand eel, seven-spotted eel and oil eel?

1. Different families

Sand eels are tropical and warm temperate fish belonging to the animal kingdom, phylum chordata, subphylum vertebrata, class teleosts, subclass actinopterygii, order synbranchioides, family synbranchioides, and genus Monopterus, while eels are fish belonging to the animal kingdom, phylum chordata, subphylum vertebrata, class teleosts, subclass actinopterygii, order anguillae, and suborder anguillae.

2. Different distribution areas

Sand eels are distributed along the coast of my country and like to live in burrows in the cracks of rocks on the seabed. Eels are mainly distributed in lakes such as the Yangtze River, Minjiang River, and Pearl River basins.

3. Different appearance

The sand eel has a relatively large head with a slightly conical front end and a slender cylindrical body. There are fine teeth like velvet on the upper and lower jaws and the mouth bones, and the body surface is scaleless and relatively smooth. The tail fin is closely connected to the anal fin and dorsal fin, and is relatively small, leaving only very inconspicuous small skin folds, and there are no pelvic fins and pectoral fins. The eel looks round and conical in appearance, and its color is relatively black. The body is slender, the front part is cylindrical, and the back is flattened. There is a big difference between the two in appearance.