Pike (Esox lucius) is a sweet or brackish predatory fish of the esocide family (Esocidae), spread in stagnant or smoothly flowing waters, with much vegetation in the temperate zone of Asia, Europe and North America. It has an average length of 30–40 cm and a weight of 0.5–1 kg but can reach up to 2 m and a weight of 25–30 kg. The body is elongated, almost cylindrical, slightly compressed laterally, and covered with small scales. The head is flattened dorso-ventral and extended in a wide, flattened snout, resembling the beak of a duck. The mouth is wide and armed with many strong and sharp teeth, the tongue also provided with teeth. The dorsal fin moved towards the tail, above the anal fin, thus giving the body the shape of an arrow. The tail fin is bifurcated, with equal lobes. The color of the body varies according to the waters, from gray-green to yellow-green on the back, the abdomen white-yellowish, the sides with large spots, brown, olive or blackish, which sometimes join, giving transverse bands. The unpaired fins are yellowish-gray, with brown or blackish spots, which join in transverse stripes. The pair of fins are reddish.
In the whole country it is called pike, and in the small one it is called pike. Fishermen from Ialomița and Ilfov counties on the banks of the Danube also say small pike (up to 30 cm) and mârlița or mârloae. The Lipovans and the Greeks from Dobrogea all call it pike, the Turks also call it pour-balac. [3] He is also called a pike, a bitch, a tassel, a girl, a bitch, a jerk, a duck, a duck, a pool thief, a water shark.