Fishes 2024, March

Swordsman (Xiphophorus Helleri)

Swordsman (Xiphophorus Helleri)

The green swordtail, or the red swordtail , or Geller's swordtail , or the simple swordtail (Swordtail, Green swordtail) is one of the most popular fish for novice aquarists. These fish are easy to keep and not picky about feeding. They breed easily in a shared aquarium

Feeding Goldfish

Feeding Goldfish

Goldfish are omnivorous and very voracious , but not eaten food spoils with tremendous speed and can poison the water in the aquarium overnight. It is best to feed the fish several times a day, but in small portions that will be eaten clean

Arrowhead Cereal (Sagittaria Graminea)

Arrowhead Cereal (Sagittaria Graminea)

The Chinese Arrowhead (Grassy Arrowhead) is native to eastern North America. Known in all Canadian provinces from Ontario to Newfoundland, as well as in all states of the United States (from the Great Plains to the Atlantic), plus Colorado, New Mexico and Cuba

Snails - Guardians Of Purity

Snails - Guardians Of Purity

The role of snails in the aquarium can hardly be overestimated. These natural orderlies zealously observe the purity of the reservoir: they clean algae from the leaves and stems of plants, eat fish excrement, dead plant parts, fish food residues, and destroy the bacterial film from the water surface

Freshwater Snails In The Aquarium

Freshwater Snails In The Aquarium

Snails are an interesting addition to your aquarium or pond. They are very peaceful animals, and therefore you should not plant them with those inhabitants that can harm them. Very unpretentious in content. Low light, temperature 20-30 ° C and pH level between 6.5

Big-eyed Shark (Chaenogaleus)

Big-eyed Shark (Chaenogaleus)

Big-eyed sharks are a monotypic genus . The only member of the genus - Chaenogaleus macrostoma - lives in the tropical waters of the western part of the Indo-Pacific region between latitudes 30 ° N. and 10 ° S latitude, including the Persian Gulf, Pakistan, India, Sri Lanka, Singapore, Thailand, Vietnam, China, Taiwan, about. J

Herring Sharks, Or Lamnovye (Lamnidae)

Herring Sharks, Or Lamnovye (Lamnidae)

Sharks belonging to this family are large, dangerous predators with a streamlined, muscular body and large sickle-shaped tail fin, which is typical for good swimmers. The body temperature of these sharks is higher than the ambient temperature, which is also typical for fast swimmers, including tuna, sailfish and marlins [4]

Madagascar Cat Shark (Chiloscyllium Caerulopunctatum)

Madagascar Cat Shark (Chiloscyllium Caerulopunctatum)

Madagascar cat shark (Gray bambooshark) - endemic of the coastal waters of the island. Madagascar. To date, the largest caught specimen had a body length of 67 cm. It is a bottom marine predator. Sharks of this species are believed to breed by laying eggs

Indian Log Shark (Cephaloscyllium Silasi)

Indian Log Shark (Cephaloscyllium Silasi)

The Indian swellshark is practically unexplored, as only four individuals were caught, one of which became a holotype (male, 36 cm long).AppearanceIndian puffer sharks have a thick, powerful body that does not have a sharp taper on either side of the pectoral fins

Striped Loggerhead Shark (Cephaloscyllium Fasciatum)

Striped Loggerhead Shark (Cephaloscyllium Fasciatum)

The Reticulated swell shark does not exceed 42 cm in length. It is found only in the western Pacific Ocean off the coast of Vietnam, China and the Philippines. The main food of striped logged sharks is invertebrates, small fish, crustaceans, larvae

Sturgeon Fish (Acipenseridae)

Sturgeon Fish (Acipenseridae)

Modern sturgeon fish are among the most ancient fish on Earth. They have been known since the Cretaceous. The body is elongated, fusiform. Fish of this family differ from all other fish by the presence of 5 rows of bone beetles: 1 dorsal, 2 lateral and 2 ventral

Rulen, Or Ocellated Wrasse (Symphodus Ocellatus)

Rulen, Or Ocellated Wrasse (Symphodus Ocellatus)

Ocellated wrasse, or mottled greenfinch, or Roulin (Ocellated wrasse) is widespread in the eastern Atlantic Ocean. Inhabits reef areas at depths of 1-30 meters. It keeps in small flocks among rocks and thickets of aquatic plants. Spawning occurs in spring and early summer

Asian Cat Sharks (Hemiscylliidae)

Asian Cat Sharks (Hemiscylliidae)

Asian cat sharks are found in tropical latitudes, in the shallow waters of the Indo-Pacific region. The name of the family - Hemiscylliidae - comes from the words of Old Greek. ἡμι- - "semi-" and Σκύλλα - "shark". The family has two genera with 16 species. These are

Beluga (Huso Huso)

Beluga (Huso Huso)

Beluga (Beluga, European Sturgeon) is one of the largest anadromous fish in our country. The body of the beluga is massive, thick (huso in Latin means pig). In most large rivers, it has winter and spring forms. It has a high growth rate and excellent appetite (up to 10-15% of body weight per day)

Grouse (Symphodus Cinereus)

Grouse (Symphodus Cinereus)

Grouse (Grey wrasse) dwells in the eastern Atlantic, where the coastal area kept among overgrowth of algae to a depth of 20 m. Often, forms a group of several copies. Spawns in March - July. Sizes up to 15-16 cm. It feeds on crustaceans and molluscs, ripens at the age of 1-2 years

Sea Mouse (Callionymus Pusillus)

Sea Mouse (Callionymus Pusillus)

The sea mouse, or gudgeon (Sailfin dragonet) keeps on sandy grounds, sometimes at the very edge of the water; scared, quickly disappears, digging into the sand. It feeds on small benthic invertebrates, mainly worms and crustaceans. Body length 10-14 cm

Great-headed Shark (Cephalurus)

Great-headed Shark (Cephalurus)

The name of the genus - Cephalurus - comes from the Greek words. κεφάλι - "head" and other Greek. αἴλουρος - "cat". Monotypic genus. In large-headed sharks, the first dorsal fin is shifted forward relative to the pelvic fins much more than the second; dorsal and anal fins straight or even slightly concave from base to apex; the contour of the caudal fin is uniformly rounded. The muzzle is

Squaliformes

Squaliformes

Order Katraniform - about two dozen species of spiny sharks (there is a sharp horny spine in front of each dorsal fin) having a length of up to 1, rarely up to 2 m.The body is cylindrical, slightly compressed laterally or sometimes dorsoanally

California Greathead Shark (Cephalurus Cephalus)

California Greathead Shark (Cephalurus Cephalus)

The California greathead shark is the only species of the same genus (Cephalus). The average body length is considered to be 24 cm. The diet of the California big-headed sharks is based on small crustaceans, invertebrates and small fish. Inhabits southern California (USA), northern Mexico and the Gulf of California

Frilled Shark, Or Frilled Bearer (Chlamydoselachus Anguineus)

Frilled Shark, Or Frilled Bearer (Chlamydoselachus Anguineus)

Chlamydoselachus or corrugated shark or plaschenosets (Frilled shark) was first described by Ludwig Germans Dederleyna. He discovered and described two individuals in 1879-1881, but his description has not survived, so the American Samuel Garman was recognized as the author many years later

Saw-toothed Sharks, Or Carcharhiniformes

Saw-toothed Sharks, Or Carcharhiniformes

Carharin-like, or Sawtooth, are a detachment of modern sharks, uniting about half of the living species. The order includes up to 150 species of small, medium and very large sharks, grouped into 7 families. The body is cylindrical, slightly compressed laterally or dorsoanally

California Swelling Shark (Cephaloscyllium Ventriosum)

California Swelling Shark (Cephaloscyllium Ventriosum)

The California Swell shark has a sturdy, cylindrical body. The maximum recorded and documented size is 110 cm. Sharks of this species are found only off the western coast of the United States, including the Gulf of California, and in the waters of Mexico

Eels, Or Freshwater Eels (Anguillidae)

Eels, Or Freshwater Eels (Anguillidae)

River eels are common in temperate and tropical waters in the basins of the North Atlantic Ocean, Indian and Western Pacific Oceans. The family has one genus with 19 species of freshwater eels, reaching a length of 1.5-2 m.European eel (Anguilla anguilla)The body is elongated, serpentine, covered with very small scales

Water Hyacinth, Or Eichornia Excellent (Eichornia Crassipes)

Water Hyacinth, Or Eichornia Excellent (Eichornia Crassipes)

Eichornia beautiful, or water hyacinth (Water hyacinth) is common in ponds and lakes in tropical America. It is now widely spread in Africa, North America, subtropical zones and other places. This is one of the most beautiful, but capricious, floating plants

Three-spined Stickleback (Gasterosteus Aculeatus)

Three-spined Stickleback (Gasterosteus Aculeatus)

Three-spined stickleback (Three-spined stickleback) inhabits the basins of the White, Barents, Baltic, Black, Azov, the Bering Sea, Sea of Okhotsk and the Sea of Japan. Lakes Ladoga, Onega, Imandra. Sea fish, but enters rivers and lakes. The three-spined stickleback likes a slow current, rivers and lakes with a muddy bottom and grassy shores

Sima, Or Mazu (Oncorhynchus Masou)

Sima, Or Mazu (Oncorhynchus Masou)

Seema (Masu salmon, Cherry salmon) from other Pacific salmon with a high body and preservation of indistinct transverse stripes on the sides, above and below which there are small black spots, even in adult fish. The sexually mature male has hook-like curved jaws

Sticky Fish (Gasterosteiformes)

Sticky Fish (Gasterosteiformes)

The order Sticklebacks unites small fish (length 7-15 cm), inhabiting sea, brackish and fresh water bodies of the northern hemisphere; are also found in coastal seas. They usually live among underwater vegetation.Brook stickleback (Culaea inconstans)The body is spindle-shaped, naked, or with bony plates

Nine-spined Stickleback (Pungitius Pungitius)

Nine-spined Stickleback (Pungitius Pungitius)

Nine-spined stickleback, or small stickleback (Ninespine stickleback) inhabits the basins of the Baltic and White Seas, the Arctic Ocean, Anadyr, the coastal waters of Western Kamchatka, Sakhalin and the Kuril Islands. Numerous, widespread species of fish inhabiting a variety of coastal marine, plain river and lake biotopes of water bodies

Trout Or Salmon-taimen (Salmo Trutta)

Trout Or Salmon-taimen (Salmo Trutta)

Trout (Brown trout) - anadromous and freshwater fish species. Distributed off the coast of western Europe and our northern seas to the east up to the Czech Bay inclusive. Trout, which settled in fresh waters, gave rise to lake and brook trout

Salmon, Or Noble Salmon (Salmo Salar)

Salmon, Or Noble Salmon (Salmo Salar)

Salmon (Atlantic salmon) is an anadromous species in the North Atlantic Ocean. Quite large fish: up to one and a half meters in length, weighs 25-30 kg. One of the largest salmon weighed 46.7 kg, landlocked salmon is smaller than its marine counterpart (15-16 kg)

Chum Salmon - A Representative Of The Genus Of Pacific Salmon

Chum Salmon - A Representative Of The Genus Of Pacific Salmon

Along with pink salmon, coho salmon, chinook salmon, sima and sockeye salmon, chum salmon belongs to the genus of Pacific salmon (genus Oncorhynchus). As the name of the genus itself indicates, they all live in the Pacific Ocean basin. These are anadromous fish, feeding, as a rule, in the ocean, and for spawning rivers, lakes of the Pacific coast of Asia and America, returning to freshwater reservoirs, all females of Pacific salmon spawn once in their life, and males participat

Biological Features Of Chum Salmon (Oncorhynchus Keta)

Biological Features Of Chum Salmon (Oncorhynchus Keta)

As a representative of the genus of Pacific salmon, chum salmon naturally has a lot in common with all other salmon species, but it also has its own specific features, by which it can be easily distinguished from other species. The chum salmon is characterized by a large number of pyloric appendages (up to 185), 19-25 gill stamens, 12-15 gill rays, and 125-150 scales in the lateral line

Conditions Of Detention Of Haracin

Conditions Of Detention Of Haracin

The most common characinids among aquarists come from small bodies of water in the South American rainforests. The water there is soft (dGH 0-4), slightly acidic (pH 5.5-6.8) and is so saturated with organic matter that it has the color of a strong tea brew

Feeding The Haracin Fish

Feeding The Haracin Fish

Brachionus plecatilis, a brachionus rotifer, is a good food for larvae and fry of haracinids .For its cultivation, a plexiglass aquarium with a capacity of at least 20 liters is used. A solution of pharmacy sea salt is poured into it (a tablespoon with a top per liter of water), it is allowed to settle for two days and the culture is placed

Long-nosed Distihodus (Distichodus Lusosso)

Long-nosed Distihodus (Distichodus Lusosso)

Long-nosed distychodus, or distychodus lusosso, or distychodus long-snouted, or nosed distychodus is a large aquarium fish native to Africa. Differs in a passion for eating living plants. It is extremely rare in pet stores and is very expensive

False Royal Tetra (Inpaichthys Kerri)

False Royal Tetra (Inpaichthys Kerri)

False royal tetra, or inpaihtis Kerra, or kerry inpaiht, or purple imperial tetra, or purple neon, or Palmeri tetra (Royal tetra, Blue Emperor Tetra) - a small aquarium fish from Brazil. Due to its size, it is ideal for nano aquariums. It is unpretentious in content, but sensitive to the presence of nitrates in water

Tetra False Red-nosed (Petitella Georgiae)

Tetra False Red-nosed (Petitella Georgiae)

Red-nosed false tetra, or red-nosed tetra, or petitella georgii is a small active fish native to South America. Due to its miniature size, it is suitable for nano aquariums. Schooling fish, doing well in groups of 10-15 individuals. For such a flock, you need an aquarium with a volume of at least 60 liters

Red Neon (Paracheirodon Axelrodi)

Red Neon (Paracheirodon Axelrodi)

Red neon, or Cardinal tetra (Cardinal tetra) - one of the most popular and beautiful aquarium fish. Endemic to South America. Of all neons, it stands out as the brightest color. A gregarious, mobile and peaceful fish that gets along well with various small neighbors

Bunocephalus Knerii

Bunocephalus Knerii

Bunocephalus Knera, or snag catfish , or banjo catfish is a South American fish with a rather unusual look. Like many catfish, it leads a nocturnal and twilight lifestyle. For one individual you need an aquarium with a volume of 100 liters or more

Piranha (Pygocentrus Nattereri)

Piranha (Pygocentrus Nattereri)

Piranha , perhaps, no other aquarium fish is such a source of various rumors and conjectures as this famous and legendary fish. Like most opinions of this kind, philistine fabrications about piranhas for the most part have no real basis.The common, or as it is also called, red piranha , is widespread in nature, in South America, very widely - almost everywhere in the Amazon, Orinoco and La Plata basins