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Discover everything to fish in Cwm Irfon

Find the best moment to go fishing in Cwm Irfon, the most caught species, the techniques used, go fish with anglers nearby, find a fishing charter or guide, save your spots and discover new ones.

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N°1 | The Strerlet fish

The Sterlet fish belongs to the Acipenseridae family. The Sterlet fish measures about 3.50m in length and weighs 300kg. It can live a hundred years. Females lay more than 800,000 eggs on the gravel. Spawning season is around May to June. It can be fished all year round. The back and sides are grey to beige, the ventral and lateral parts are lighter (almost white). Five longitudinal rows of large bone plates are arranged along the body. The upper lobe of the caudal fin is more developed than the lower lobe. The muzzle is narrow, pointed and raised upwards with four long fringed barbells. The lower lip is notched in the middle. The Sterlet fish has a protractile mouth placed on the underside of the head.

Fishing period : All year

Minimum size : 1,80 m

Difficulty :

N°2 | The Goldfish

The Goldfish belongs to the Cyprinidae family. This fish can reach 60 cm and live up to 15 years. It breeds in spring for an average of 1000 eggs. In the wild, the species Carassius Auratus or Goldfish has an elongated, laterally compressed and slightly high body. The small triangular head is free of scales and barbells. The dorsal fin, concave or straight, begins at the top of the body and ends at the caudal peduncle. The caudal fin, larger and more indented than that of the Crucian carp, has 17 to 20 soft rays. The ventral and pectoral fins and the anal fin are small and thin. The body is covered with small scales. There are 26 to 31 scales on the lateral line. The colors of the Goldfish vary greatly with the environment in which it evolves, from yellowish to bright golden and bronze. Its back is generally darker and his belly lighter. The main distinctive features of the ornamental shape are its flamboyant red color and its many morphological shapes and aberrations.

Fishing period : All year

Minimum size : X

Difficulty :

N°3 | The Perch

The Perch fish belongs to the Percidae Family. Its size, on average 15 to 20 cm, can reach 60 cm for a weight of 4.5 kg. Life expectancy is about 6 years (maximum 22 years). The perch spawns in April and lays between 4000 and 300,000 eggs. It is caught from June to December. Its body is stocky, high, yellow-green with broad transverse stripes; the belly is yellowish to matt white. Its ventral, anal and caudal fins are red; the anterior dorsal fin has sharp rays and a black spot on the back. Its operculum is finished by a strong thorn.

Fishing period : It can be fished from June to December

Minimum size : 18 cm

Difficulty :

N°4 | The Salmon fish

The Salmon fish belongs to the Salmonidae family. It can reach a maximum weight of 47 kg for a height of 1.5 m. The current size of the salmon is 50 to 70 cm, with a weight of 2.3 to 9.1 kg. It can reach a maximum weight of 47 kg for a height of 1.5 m. The current size of the salmon is 50 to 70 cm, with a weight of 2.3 to 9.1 kg. Spawning season is in October-November. Fertility is 1,500 and 1,800 eggs per kg of weight. It is fished in March in October. Salmon have a hydrodynamic and powerful body. The caudal peduncle is elongated and narrower than in trout, with which salmon share many characteristics. The mouth does not extend beyond the plumbing of the posterior edge of the eye. Adults have sexual dimorphism in the muzzle. Females have a rounded snout, while males have an elongated snout and their jaws bend sharply as they age, giving them the name of becard. The caudal fin is fairly indented, with a concave posterior edge and well defined tips. The adipose fin characteristic of Salmonids is present in salmon. The livery is different depending on the reproductive stage of the individual. The parr have 8 to 11 dark-colored vertical bars on the sides. The smolt and the adult have a silvery livery with black cross-shaped punctuation above the lateral line. At the time of reproduction, the male is adorned with bright colors.

Fishing period : from March to October

Minimum size : 50 cm

Difficulty :

N°5 | Barbel Fish

The Barbel fish belongs to the Cyprinids Family. Its maximum weight is 9 kg, and its maximum size is 90 cm but sometimes, it can reach 1 m. It can live 15 years. The Spawning period starts in May and end in July. It can lay up to 9,000 eggs. You can fish Barbel all year. The minimal weight catch is 3 kg. The barbel fish is hard to catch especially in an area where it feels at ease. The Barbel fish, with its streamlined body, shows its perfect adaptation to rivers animated by a more or less rapid stream. Depending on its layout, its color, which may be different, is uniform and slightly lighter on the belly. Barbels are sometimes "grey", sometimes "greenish", and sometimes "golden". Its snout is characteristic and clearly protrudes from its mouth. Note that the dorsal fin has a highly ossified thorny radius.

Fishing period : all year

Minimum size : 3 kg

Difficulty :

N°6 | The River Lamprey

The River Lamprey belongs to the Petromyzontidae family. It measures 18 to 50 cm (average 25 to 35 cm) and weighs 30 to 150 g (average 50 to 70 g). Females are larger than males. The maximum age of the river lamprey is estimated at 10 years. Reproduction takes place between January and May. The number of eggs varies between 4,000 and 40,000. It is caught from January to May. A vertebrate with a cartilaginous skeleton and no jaws, the river lamprey has an anguilliform body, without scales and covered with toxic mucus. Its back is bluish to brownish green. Its sides are greyish, tanned, without mottling. The belly is white. The eyes are very well developed but remain primitive. A single nostril is located between the two eyes. In adults, the circular mouth in the lower position is a suction cup adapted to suction. The buccal disc and tongue are covered with only a few horny denticles, but most of them are strong and acute. On each side of the head, this species has seven pairs of circular gill holes (spiracules). The river lamprey has three fins: one caudal and two dorsal. The two dorsal fins are separated by a small interval, the second being triangular in shape, longer and higher than the first. The larvae are light-colored and its mouth is horseshoe-shaped. His eyes remain hidden under the skin. So it’s blind.

Fishing period : January to May

Minimum size : 20 cm

Difficulty :

N°7 | The Ide fish

The Ide fish belongs to the Cyprinidae family. Its size is generally between 30 and 50 cm but this fish can reach a maximum length of 80 cm for a weight of 5 kg and an age of nearly 20 years. Spawning takes place from March to April. Females lay between 60,000 and 160,000 eggs. The fishery is open from June to March. The body is long and laterally compressed with a terminal mouth pointing upwards. The head is strong with a small mouth, obtuse snout and yellow eyes. The back is rounded. The anal fin has a concave rear edge. The back and upper part of the head are greyish-green to brown; the yellowish-brown flanks have silvery or golden reflections; the belly is whitish. The fins are dark except for the pelvic, ventral and anal fins which are frankly red. In older and larger specimens, the body color may turn yellow/bronze.

Fishing period : June to March

Minimum size : 25 cm

Difficulty :

N°8 | The Roach fish

The Roach fish belongs to the Cyprinidae Family. The current size is 10 to 30 cm and the weight is 10 to 200 g. Some individuals can reach 50 cm for a weight of 2 kg. Life expectancy is about ten years (maximum 14 years). The breeding of the roach takes place from April to June/July. Fertility is 350000 eggs per kg of weight. It can be fished all year round. Roach is one of the most common and widespread fish in slow-moving lakes and rivers. It lives in schools of individuals of approximately the same size. These benches can be composed of hundreds of roaches. It is easily identifiable by the diver: the silvery appearance of his body, the eyes and red fins allow him to identify roaches and rotengles. A closer look at the position of the dorsal and ventral fins will then make the difference between the two species. If these two fins are upright, it is the roach.

Fishing period : All year

Minimum size : x

Difficulty :

N°9 | The Stone Loach

The Stone Loach belongs to the Balitoridae family. The current size of the Stone loach is about 10-12 cm and maximum 20 cm. Its longevity is 5 to 6 years. The breeding period takes place between April and July. Fertility is 50,000 to 80,000 eggs. Fishing is allowed from June to March. The stone loach has an elongated body, subcylindrical in its front part and covered with tiny scales. The head is broad and flattened. The mouth is equipped with three pairs of barbells on the upper lip. She does not have an erectile spine under her eye. The caudal fin is slightly indented, almost straight and punctuated with black. The back is brownish in color, the flanks are yellowish and the belly is clear. A dark band is present at the base of the caudal fin.

Fishing period : All year

Minimum size : no restriction

Difficulty :

N°10 | The Rudd fish

The Rudd fish belongs to the Cyprinidae family. The current size of the rudd fish is 15 to 30 cm for a weight of 0.5 to 1 kg. It can reach nearly 51 cm in height and weigh 2 kg. The rudd fish can live about 17 years. Egg laying is split and takes place from April to June. The female lays 100,000 to 200,000 eggs. Fishing for rudd is allowed all year round. It is easily identifiable by the diver: the silvery appearance of its body. A closer look at the position of the dorsal and ventral fins will then make the difference between the two species. If the ventral fins are placed further forward than the dorsal fin, it is the ratchet. The mouth, small, terminal, opens obliquely upwards. The back of the rattlesnake is brownish green, the sides and belly are silvery. The iris of the eyes is yellow with golden reflections. Dorsal, anal and pelvic fins are bright red in color.

Fishing period : All year

Minimum size : 15 cm

Difficulty :

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How it works

This is a score of 1 to 10 calculated city by city according to some forty criteria affecting fishing: moon, weather conditions, atmospheric pressure, sunrise / sunset. sun, tides, swell etc .