What is the name of this fish and what is the name of this fish?

Devil's Knife. The devil's knife is the line of electric eel.

The electric eel (also known as the "devil's knife") has a black body like ink, a peculiar shape, a flat body, a smooth and arc-shaped back, and the pelvic fin and anal fin are connected, wavy to the tail, like a black lace outlining the curve of the fish. The head is pointed, the caudal fin is elongated like a rod, and the caudal fin has two white rings. Rely on weak currents in the body to sense water, obstacles, food, etc.

The name "devil" highlights its mystical properties. Most of the time, they hide in densely planted aquatic grasses.

Black manta rays. In the dark environment of the crevices of rocks and sunken wood, it is like a black ghost that suddenly appears. Except for the keepers themselves, others are less aware of their presence in the aquarium.

Occasionally, when they swim erect and glide across the aquarium during the day, they resemble a black ghost that suddenly appears. The black devil's eyes have deteriorated, but he is still able to use his own special faint electrical current and a keen sense of smell, and with the help of a wide anal fin and a paddle-like tail fin, he is unusually sensitive to move through the aquarium. Swimming like a black feather in the wind, there are few fish that can compete with the black devil, and this is the charm of the black devil.

Black devils love nocturnal sex and it is difficult to distinguish between male and female, they are oviparous fish, which is very difficult to reproduce, requiring a uniquely designed aquarium and harsh feeding environment to successfully reproduce. Gentle but aggressive.

The suitable water temperature is 23 27, which is more sensitive to water quality, suitable pH: pH, suitable hardness (DGH): 4 - 12 °N.

They are extremely athletic and rarely get sick. Black devils like to eat live bait of animal nature, such as earthworms and bloodworms. However, it is also very easy to accept all kinds of artificial baits.

But it has a fierce name, but it has a gentle habit and can be mixed with most tropical fish. However, adults will eat small fish, so special attention should be taken.

It seems to be a devil's knife, warding off evil spirits.

Caesionidae (Plum snapper genus) caesio fish.

The picture below shows the multi-banded plum snapper caesio varilineata

It is elongated, spindle-shaped, the mouth is small, the terminal position, the anterior teeth are small and band-shaped, the maxilla can be retracted, and the maxilla is more or less obscured by the preorbital bone. The body is covered with small or medium-sized ctenophores. The lateral line is complete, nearly straight.

The operculum has a small blunt spine and the preoperculum is not serrated. 1 dorsal fin, the hard spines are weak, and the base of the soft stripes is long. Anal fin with 3 weak spines.

The caudal fin is deeply forked.

It's called Huang Xiaoming, I know.

Polynemidae Eleutheronema marine fish.

The picture below shows the four-fingered mackerel eleutheronema tetradactylum , commonly known as horse friends.

It is distributed in the Indian Ocean and the western Pacific Ocean, including the coasts from India to Southeast Asia, the Philippines in the north, Papua New Guinea in the south, and northern Australia. The meat is delicate and delicious, and it is a high-value fish species, and steaming is the most suitable cooking method.

Sparidae is a fish of the genus Acanthopagrus.

The picture below shows the yellowfin spiny bream Acanthopagrus latus, also known as the yellowfin bream, yellow-footed stand.

High-quality edible fish, which can be eaten on barbecue or in soup or braised sauce. It is an important farmed fish with high economic value. Sea bream fish are relatively delicious, nutritious, good meat quality, high economic value, is quite popular among the masses of edible fish, in the marine and brackish water aquaculture industry occupies a certain position.

Apparently a sea bass, with black spots, giant mouth scales, and four gills.

The perch is flattened on the side and is generally about 60 cm long. The head is medium-sized and the snout is blunt and pointed. The eyes are large, and the upper side is located.

Mouth Lei, oblique fissure. The lower jaw is slightly prominent, and the posterior end of the maxilla is enlarged, reaching below the posterior edge of the eye. The upper and lower jaw teeth are bandy and small, and the vomer and palatine bones have villous teeth.

Posterior margin of preoperculum serrate. The posterior horn and lower margin have 4 spines, and the operculum has 1 flat spines. Gill raker (7 9) + (13 16).

The body is covered with small scales, and the head is scaled except for the snout and the two beards. The lateral line is complete, and the lateral scales are 70 80 (14 180 (17 22). 2 dorsal fins, slightly detached.

1st dorsal fin, hard spines; 2nd dorsal fin -12-13. Anal fin -7-8, starting below the 6th fin bar of the dorsal fin. Pectoral fins 16-18, smaller, low-bit.

Pectoral fin -5, pectoral position, caudal fin bifurcated. The dorsal side of the body is grayish-greenish. Those who live in freshwater have a lighter body.

There are black spots on the upper augmentation and dorsal fin of the body. Due to gradual growth, the spots become less noticeable; ventral silvery-white; The dorsal fin bars and caudal fin margins are black.

Noodles with fish. Noodle fish is also known as silver needle fish, and the scientific name is jade tendon fish. Ichthyidae, family Ichthyidae.

The body is slender, slightly flattened, the adult is about 10 cm long, blue-gray or milky white, translucent, with a large mouth and canine teeth; The dorsal fin is long, without pelvic fins. It inhabits the sandy bottom of the offshore sea and often lurks in the sand. It is distributed along the coast of the Bohai Sea and the Yellow Sea.

It is one of the important economic fish in the north. It is mainly produced in the north of Xiaochangshan Island, and there is a noisy sea area of Dachangshan Island. The fishing season is between May and June.

When the surface water temperature rises, it dives to the sandy bottom and the predation stops.

Scientific name in Chinese. Jade tendon fish.

Latin scientific name. Ammodytes personatus is another name. Coho needlefish.

Golden-banded mackerel. Rastrelliger kanagurta (cuvier, 1816) is a species of fish in the genus Mackerel. It is a pelagic migratory fish that lives in the sea area of 20 90 m and has an open oceanic ocean.

The body is spindle-shaped; The eyes are large, the mouth is large; The caudal peduncle is short and slender, and the tail has a distal fin. The body of the fish is blue-green on the back, with small black spots along the base of the dorsal fin, about 6 yellow longitudinal bands on the side of the body, silvery-white abdomen, and a deep forked caudal fin.

A kind of pond fish, which is good.

Fuck it, it doesn't have a half-hairy relationship with pomfret, okay?

It's quite similar to red snapper. Frying and making soup are good.

Red sea bream is generally distributed in the Bohai Sea, the Yellow Sea, the East China Sea, the South China Sea and other places in China, the red sea bream meat is delicious and mellow, rich in nutrition, and is a precious seafood delicacy to welcome guests.

Why does the red snapper fish change from female to male?

Red sea bream is generally distributed in the Bohai Sea, the Yellow Sea, the East China Sea, the South China Sea and other places in China, the red sea bream meat is delicious and mellow, rich in nutrition, and is a precious seafood delicacy to welcome guests.

A male red snapper died, and the "wives" swam around it sadly. As he swam, one of the sturdy "wives" changed from a female to a male, acting as the "head of the family" and leading the "wives" to start a new life.

Red snapper practices "polygamy". They generally form a large family of one or twenty fish, with one male as the "head of the family" and the rest as his wife. If the male is dead, the female will appear to be dispossessed and panicked.

But it doesn't take long for one of the strongest females to become males and act as a new "husband".

Why does the red silk fish change from female to male? It turns out that the male red silk fish has a bright color on its body, and this color sends a special signal underwater. The female is very sensitive to this color, once the male light color disappears, the strongest female nervous system is affected first, and then secretes a large amount of male hormones in its body, so that the ovaries disappear, the sperm nest grows, the fins also become larger, and a male fish becomes.

This is a yellow snapper in the sea, also called golden snapper and red snapper, which tastes good when fried.