The tench or doctor fish, scientific name Tinca tinca is a fresh- and brackish-water fish of the cyprinid household discovered all through Eurasia from Western Europe together with the British Isles east into Asia so far as the Ob and Yenisei Rivers.
Tench Fish (Tinca tinca) – Profile
In this article, we are going to give an overview of Tench Fish food, facts, size, for sale, Australia, Idaho, in USA, UK, NZ, etc.
Additionally, tench or doctor fish is present in Lake Baikal. It usually inhabits slow-moving freshwater habitats, notably lakes and lowland rivers. In Germany, Austria, and Switzerland, the tench is named Schlei.
The tench or doctor fish is a stout, small-scaled fish with a barbel at every nook of its mouth and thick, slimy pores and skin. It’s greenish or blackish and often 18–35 cm (7–14 inches) lengthy with a weight of about 2 kg (four half kilos).
Most considerable in quiet, mud-bottomed waters thick with vegetation, it feeds primarily on small animals and vegetation.
Its slime was as soon as a thought in a position to remedy injured fishes and was additionally utilized to human wounds. A golden tench is a red-gold number of species typically stored in ponds.
Tench or doctor fish Ecology
The tench is most frequently present in nonetheless waters with a lump of clay or muddy substrate and considerable vegetation.
This species is uncommon in clear waters throughout the stony substrate and is absent altogether from fast-flowing streams. It tolerates water with a low oxygen focus, being present in waters the place even the carp can’t survive.
Tench or doctor fish feed largely at night time with a desire for animals, equivalent to chironomids, on the underside of eutrophic waters and snails and pea clams in well-vegetated waters.
Breeding takes place in shallow water often amongst aquatic vegetation the place the sticky inexperienced eggs might be deposited.
Spawning often happens in the summer season, and as many as 300,000 eggs could also be produced. Development is speedy, and fish might attain a weight of 0.11 kg (0.25 lb) inside the first yr.
Tench or doctor fish Morphology
Tench or doctor fish has a stocky, carp-like form and olive-green pores and skin, darker above and virtually golden under.
The tail fin is sq. in form. The opposite fins are distinctly rounded in form. The mouth is quite slim and offered at every nook with a really small barbel. Most measurement is 70 cm, although most specimens are a lot smaller.
A document fish caught in 2001 in England had a weight of 15 lb three oz (6.89 kg). The eyes are small and red-orange in color.
Sexual dimorphism is absent or weak, restricted to the grownup females having an extra convex ventral profile compared with males.
Males may additionally possess a really thick and flattened outer ray to the ventral fins.
Males are typically smaller than females, however might be recognized by having extra curved decrease fins and noticeable muscle mass across the base of the fins typically absent in feminine.
The tench or doctor fish has very small scales, that are deeply embedded in thick pores and skin, making it as slippery as an eel.
People have it that this slime cured any sick fish that rubbed in opposition to it, and from this perception arose the identify doctor fish.
An artificially bred number of tench referred to as the golden tench is a well-liked decorative fish for ponds.
This kind varies in color from pale gold by means of darkish pink, and a few fish have black or pink spots on the flanks and fins.
Although considerably much like the goldfish, as a result of these fish have such small scales, their high quality is quite completely different.
The economic significance of tench or doctor fish
Tench or doctor fish are edible, working effectively in recipes that might in any other case name for carp, however are not often eaten as of late.
They’re shoaling fish which can be standard quarries for coarse angling in rivers, lakes, and canals.
Tench, notably golden tench, is additionally stored as decorative fish in ponds as they’re backside feeders that assist to maintain the waterways clear and wholesome.
Tench or doctor fish Angling
Giant tench could also be present in gravel pits or deep, slow-moving waters with a clayey or silty backside and copious aquatic vegetation.
One of the best strategies and bait to catch tench is float fishing and legering with a swim feeder utilizing maggots, sweetcorn, pellets, bread, and worms. Fish over 1 kg (2 lb) in weight are very robust fighters when caught on a rod.
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