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Discover everything to fish in Castleknock

Discover the most caught species in Castleknock, the techniques used, events in the area, find a fishing charter or fishing shop near you.

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N°1 | The Moapa Dace

The Moapa Dace belongs to the Cyprinidae family. It has an average size of 10 to 13 cm. It has a lifespan of 4 years old. It may spawn throughout the year with a maximum activity in spring. It is an endangered species so the fishing is prohibited. It is a small fish with a short head, a terminal mouth and thick, semiconducting lips. The dorsal fin begins above or slightly behind the insertion of the pelvic fins and the caudal fin is forked. The dorsal color is dark, the sides are brownish with slightly golden areas and the ventral color is light. There is a dark spot on the tail and a dark line on each side of the body. The scales are small and deeply inlaid and the skin looks like leather. Some dace species have a small maxillary barbell, but not the species.

Fishing period : prohibited all year

Minimum size : not available

Difficulty :

N°2 | The American Eel

The American Eel belongs to the Anguillidae family. The size of the adult female can reach 1 m in length, while that of the male does not exceed 40 cm. Spawning takes place in mid-winter. Females lay 3 to 22 million eggs. He can live to be 50 years old. It can be fished from April to September. The American eel is a species of fish with a snake-like body all in length with fins that extend over its back, around its tail and along its inner surface. It has thick lips and a slightly longer lower jaw than her upper jaw, which gives her the appearance of having an overbite. The color of young eels varies from yellow-green or brown. Adult eels are grey with white or cream bellies.

Fishing period : April to September

Minimum size : 50 cm

Difficulty :

N°3 | The Brook Trout

The Brook Trout belongs to the Salmonidae family. The average size of the brook trout is 50 cm and the weight only exceptionally exceeds 7 kg. It has a longevity of 5 years. It reproduces in autumn. It is fished from April to September. Its body is fusiform, laterally compressed, and slender. Its general shape is reminiscent of trout, although a little more massive. The body is arched at the dorsal fin. It has a small but stocky head with a widely split mouth, including teeth on the jaws, tongue and palate. On the body, the scales are small and thin. The Brook trout have two dorsal fins, one of which is characteristic of Salmonids. The color is distributed differently over the body: the back is rather dark brown, with lighter mottling and covered with a network of very close yellow spots. The sides have a beautiful light brown color, sometimes olive green. They also have yellow spots, less tightened. Round and red spots can also be seen on the sides. The color of the belly varies from white to pink, but can be pale yellow to dark red. It all depends on the environment in which it operates. Populations living near the bottom are paler than those living in open water, rather colorful. In males, the livery becomes bright orange during the breeding season. Finally, the pectoral, pelvic and anal fins are bordered by a white border, specific to the genus Salvelinus, highlighted here by a black band.

Fishing period : From April to September

Minimum size : 18 cm

Difficulty :

N°4 | The Little Tunny

The Little Tunny belongs to the Scombridae family. The average size of little tunny can reach 81 cm in length and weigh up to 9.1 kg. The maximum size recorded is 122 cm and 16 kg. Little tunny can live up to 10 years. It spawns from April to November. It can be fished all year round. The little tunny has a robust torpedo-shaped body designed for powerful swimming. The mouth is large, slightly bent and terminal with rigid jaws. The lower jaw slightly protrudes from the upper jaw. There are two longitudinal ridges on the tongue. The body lacks scales, with the exception of the corselet and the lateral line. The corselet is a band of large and thick scales forming a circle around the body behind the head, extending backwards along the lateral line. The lateral line is slightly wavy with a slight arch below the dorsal fin, then straight towards the caudal keel. The caudal fin is deeply lunar, with a thin caudal pendulum including a short keel on each side. The first dorsal fin has high anterior spines that give it a concave contour, which is only very closely separated from the second dorsal fin. The pectoral fins are pointed and short and do not extend to the end of the first dorsal fin; the pelvic fins are inserted just behind the origin of the pectoral fins. The swim bladder is absent. This fish is steel blue with 3 to 5 broken dark wavy lines, not extending below the lateral line. The belly is white and lacks stripes. There are 3 to 7 black spots between the pelvic and pect

Fishing period : All year round

Minimum size : no restriction

Difficulty :

N°5 | The Warsaw Grouper

The Warsaw Grouper belongs to the Serranidae family. It can reach a maximum length of 226 cm for 263 kg. It can live for more than 30 years. They lay eggs from August to September. It can be fished all year round. However, fishing is prohibited all year round in federal waters. The Warsaw grouper is the only member of the genus Epinephelous that has 10 dorsal spines, the second of which is much longer than the third. The color is a greyish brown to dark reddish brown background with many small irregular white spots on the sides. The color appears much lighter around the neck and along the posterior edge of the lid. All fins are dark brown, except for the white spiny part of the dorsal fin. The young are characterized by a yellow caudal fin; dark stool on the caudal peduncle; and some whitish spots on the body.

Fishing period : prohibited all year in federal waters and authoriz

Minimum size : 50 cm

Difficulty :

N°6 | The Sheepshead

The Sheepshead belongs to the Sparidae family. Although it reaches a maximum size of about 76 cm and 22 lbs (9.6 kg), the adult sheepshead is most often about 5 to 3.6 kg and 35 cm long. The maximum known life span of the sheepshead is at least 20 years. They spawn in early spring. They can be fished all year round with the best season from December to April. The sheepshead has a deep oval body with a blunt snout and a small, almost horizontal mouth. The posterior nostril is split in appearance. The dorsal and anal fins include short, strong spines. The second spine of the anal fin is larger. The pectoral fins are long and extend beyond the anal opening when pressed (close to the body). The caudal fin is slightly forked. The adult sheepshead is silvery to greenish-yellow and has an olive back. There are five or six dark vertical crossbars on each side, which are the most distinct in young individuals. The caudal and pectoral fins are greenish, while the dorsal, anal and ventral fins are dark or black.

Fishing period : All year

Minimum size : 30 cm

Difficulty :

N°7 | The Yellow Perch

The Yellow Perch belongs to the Percidae family. The yellow perch measures on average 10 to 25 cm in length and weighs between 50 and 200 g (up to 36 cm for 500 g). The average lifespan is about 7 years. It breeds from April to May. It can be fished all year round. Its body is elongated and oval. Its head is moderately high and rounded at the tip. Its snout is obtuse and moderately long; it does not extend beyond the lower jaw. The mouth is terminal and slightly oblique. The jaws have small teeth. The operculum is finished with a strong thorn. There are 2 distinctly separated dorsal fins. The first dorsal spine is high and rounded, the spines are strong, the rays vary from 13 to 15. The second dorsal fin is almost as high, with 1 to 2 spines and 12 to 15 rays. The caudal is slightly forked. The color of the yellow perch varies according to its size and habitat. The back and dorsal surface of the head vary from bright green to golden brown to olive. The sides are pale yellow to yellow-green with about 7 vertical black bars of decreasing width. The ventral face of the head and body varies from grey to milk white. The dorsal and caudal fins range from yellow to green; the edge of the first dorsal fin is often black. In males in spawning livery the colors will be more intense: in particular, the pelvic and anal fins which are then bright orange.

Fishing period : all year round

Minimum size : 13 cm

Difficulty :

N°8 | The Lahontan cutthroat trout

The Lahontan cutthroat trout belongs to the Salmonidae family. It can reach 1 m for 24 kg. It has a lifespan of less than 5 years. It breeds between February and July. The best time to catch it is between March and April. It is a quite large fish with a square tail to hunt prey and avoid predators. The coloring is green to greenish brown on the back, pale yellow with a pink lateral band on the sides and silver to white on the belly. Parr marks fade in mature fish. Spawning trout can be copper, red and orange, especially male. Large rounded spots, almost as black as ink, scatter little over the body, with less below the lateral line. Like other cutthroat trout, they have a distinct red to orange mark on their throats, but can be pale on lakes.

Fishing period : All year

Minimum size : no restriction

Difficulty :

N°9 | The Bull trout

The Bull trout belongs to the Salmonidae family. It can measure up to 103 cm long and weigh up to 14.5 kg. It can live for a dozen years. It breeds from July to December. It can be fished from June to February. Like other arctic char species, the fins of a bull trout have white leading edges. Its head and mouth are exceptionally large for salmonidae, which gave it its name. Bull trout up to 103 cm long and weighing 14.5 kg have been recorded. Bull trout can be migratory, moving through major river systems, lakes and the ocean, or they can be resident and remain in the same river all their lives. Migratory bull trout is generally much larger than resident bull trout, which rarely exceeds 2 kg. Bull trout differs from brook trout (S. fontinalis) in the absence of distinct spots on the dorsal fin, as well as yellow, orange or salmon spots on the back, as opposed to red spots with blue halos on the trout stream. Bull trout do not have the deep-dug caudal fin of lake trout (S. namaycush, another Arctic char).

Fishing period : June to February

Minimum size : 50 cm

Difficulty :

N°10 | The Cero fish

The Cero Fish belongs to the Scombridae family. The maximum size known for the Cero fish is 83 cm and a maximum weight of 7.8 kg and its usual size is about 38 cm. It can live to be 11 years old. It reproduces from April to October in general. It is abundant from October to December. The cero fish has an elongated and streamlined body which is well suited for swimming at speeds of up to 48 km/ h. The body is covered with small scales; the lateral line being inclined towards the caudal peduncle. The caudal fin is lunar and the pelvic fins are relatively long. The scales extend over the pectoral fins. The spiny and soft dorsal fins are separated, with the soft dorsal fin corresponding to the anal fin just below. A series of pinnules follows each fin and three pins on each side of the caudal peduncle. The swim bladder is absent in the cero fish. The back is iridescent bluish green with silvery sides and belly. A semi-lateral bronze band extends from the pectoral fin to the base of the caudal fin. There are several rows of yellow-orange streaks with yellow spots forming lines above and below the sideband. The front third of the first dorsal fin is bluish black.

Fishing period : October to December

Minimum size : 30 cm

Difficulty :

7.6

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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 .