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Discover everything to fish in Sarnau

Find the best moment to go fishing in Sarnau, 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 Gwyniad fish

The Gwyniad fish belongs to the Salmonidae family. It is a fairly large species: 40 to 60 cm. It reaches 70 cm for 10 kg in the large lakes of northern Europe. Life expectancy would be about ten years. Its breeding period extends quite widely between 15 November and 31 January with a maximum activity between 10 December and 1 January. The female lays 30,000 eggs per kg of weight. This fish is on the IUCN Red List. Fishing is therefore prohibited. It has the fat fin characteristic of Salmonidae. It has an elongated body, silvery grey, bluish grey, with a more or less brownish back and fairly large scales. The caudal fin is very indented. The mouth is small. Two details that differentiate it from other salmonids. The number of gillospines (here 15 to 70) confirms that they belong to that species. The male has prominent scales on the lateral line, rough to the touch.

Fishing period :

Minimum size :

Difficulty :

N°2 | The Wels Catfish

The Wels Catfish belongs to the Siluridae family. The usual size is 1 m for 10 kg but it can reach a maximum of about 5 m for a weight of about 300 kg. The maximum observed longevity is 60 years. It breeds from May to June. The female lays 20,000 to 30,000 eggs per kg of weight. It can be fished all year round. This massive species has a flat, broad head with small eyes and three pairs of barbells. Two pairs not movable on the lower jaw, one longer and movable on the upper jaw. The trunk represents about 1/3 of the animal and has the paired radiated fins and a small rudimentary dorsal fin. The belly is lighter. The posterior part of the body is laterally flattened and has a long anal fin. The tail ends in a homoceric fan-shaped caudal fin. The livery is variable and fluctuates from olive green to grey, both plain and with light spots. The skin is viscous and flake-free. The wels catfish has many small teeth.

Fishing period : All year

Minimum size : no restriction

Difficulty :

N°3 | The Bullhead fish

The Bullhead fish belongs to the Ictaluridae family. This species generally measures 15 to 20 cm, but can reach a maximum of 45 cm for a weight of 2 kg. It can live up to 6 years. It breeds in May-June and lays up to 5000 eggs. It can be fished all year. It is a scaleless fish with bare, viscous skin. Its naked body is elongated and has thousands of sensory cells (electro-receptor cells) that are a particular feature of the species. He has a large flattened head, a very wide mouth with large lips and 8 barbels, 6 of which hang, and 2 are located behind the nostrils. Its pectoral fins have sharp spines that are dangerous. Similarly, its first dorsal fin has a sharp sting. It also has a short fat fin (between the dorsal and caudal fins). Its brown back is almost black or greenish brown, its sides lighter, its belly yellowish white.

Fishing period : All year

Minimum size : 20 cm

Difficulty :

N°4 | The Eel fish

The Eel fish belongs to the Anguillidae family. The eel can measure up to 1.50 m in length for 4 kg, but the average size is between 40 and 60 cm. They can live up to 50 years old. They reproduce in March. They can be fished from April to September. The eel is a species of snake fish, hence its Latin name "anguis" which means snake. Its anterior part is circular while the caudal section is flattened. Its body is covered with smooth skin and enriched with mucus. The scales only appear late. The eyes of an eel are round. It has a terminal mouth with a prominent jaw. Without pelvic fins, the eel has only small pectoral fins and long dorsal, anal and caudal fins. These meet at the level of the tail.

Fishing period : April to September

Minimum size : 50 cm

Difficulty :

N°5 | The Burbot

The Burbot fish belongs to the Lotidae family. The burbot can measure 30 to 120 cm and weigh up to 3 kg. It can live from 15 to 20 years. It breeds from December to March and can lay up to one million eggs. It can be fished all year round. The body is cylindrical, elongated, slightly compressed towards the tail, covered with small scales covered with a thick layer of mucus. The back is greenish brown or yellowish with darker mottling, with a gradation becoming lighter on the sides. The belly is yellowish white. The short, rounded pectoral fins, close to the head, overhang the ventral side with their first very elongated radius. The first dorsal fin is short, the second, very long, continues until the birth of the caudal, which is rounded. The lower jaw has a single long barbel and the nostrils have two fairly distant orifices, each with a small barbel. The mouth is wide, with many fine teeth.

Fishing period : All year

Minimum size : 50 cm

Difficulty :

N°6 | The Spined Loach

The Spined loach belongs to the Cobitidae family. The Spined Loach has a size of 6 to 12 cm. it can live up to 10 years. The breeding period runs from April to July. The female can lay up to 1500 eggs. It can be fished all year round. Its elongated, ribbon-shaped body is covered with very small scales. Variable in color, light brown to dark brown, its flanks are marked with dark spots aligned longitudinally (the points in the lower row are larger). His belly is very clear and almost white. The head is narrow. The inferior mouth (in the ventral position) is surrounded by six small barbells (4 on the upper jaw and 2 at the corner of the lips). Under each eye, there is a small moving spine that is very inconspicuous (it can be detected mainly by touch). The caudal fin has a black spot growing at its birth and is then marked with four lines of dark dots. The pectoral fins are long. If you have good eyes, you can tell the male from the female by the longer and thicker pectoral fins.

Fishing period : All year

Minimum size : 8 cm

Difficulty :

N°7 | The Three Spined Stickleback

The three spined stickleback belongs to the Gasterosteidae family. The usual size of the three-spined stickleback is 4 to 5 cm for females, with males being a little smaller, about 3 to 4 cm. The life span of the three-spined stickleback varies from 3 to 5 years in natural environments and up to 8 years in captivity. Spawning season extends from March to June. Fertility is 200 to 400 eggs. It is fished from June to March. The three-spined stickleback is a tiny fish with a tapered, laterally compressed body. Its head is quite small, with fairly large eyes, and ends in a narrow mouth that is slightly oriented forward and upwards. The caudal peduncle of the three-spined stickleback is very narrow with a slightly indented caudal fin. The long dorsal fin is set far back, plumbing the anal fin. The dorsal fin of the three-spined stickleback is preceded by three spines, two long and one short, placed on the back of the fish. A curved spine also precedes the implantation of the anal fin. The pelvic fins are replaced by two thorns. The color of this fish is greenish brown for the back, with metallic reflections, silvery for the sides and whitish for the belly. Along the lateral line of the three-spined stickleback, there are no scales but bone plates called "badges", a kind of natural shielding that accompanies the thorny defenses of this fish.

Fishing period : June to March

Minimum size : no restriction

Difficulty :

N°8 | The Vendace fish

The vendace fish belongs to the Salmonidae family. Its average size is 45 cm and its weight is 1 kg. The oldest specimens observed were 10 years old. It breeds from October to December. The female lays 30,000 eggs per kg of weight. It is fished from March to December. The vendace is a small, slender and streamlined fish that is very easy to confuse with a bleak, a small lavaret whitefish or a peled whitefish. Unlike the bleak, the vendace is a member of the Salmonidae family, which is why it has a fat fin. It differs from the lavaret and peled whitefish by its much longer lower jaw. In the lavaret whitefish, the upper jaw is longer and in the peled whitefish the jaws are of the same length. It is silvery on the sides, with a white belly and a brown-green, grey-blue or blue-green back.

Fishing period : from March to December

Minimum size : 30 cm

Difficulty :

N°9 | 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 :

N°10 | 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 :

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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 .