Two species of fish dominate the river: brown trout and common minnow.

For bait, the most common minnows are Fatheads and shiners.

Apart from the trouts, common minnows (Phoxinus phoxinus) too exist.

Lycoptera was covered in tiny oval scales about 1.2 millimeters across, and, in life, would had a superficial resemblance to the Common minnow,.

The Arctic char, the trout and the Common minnow are found in the park's lakes, rivers and streams.

Amongst the fishes there are brown trout, common minnow, European brook lamprey and European bullhead.

The river is also a place of living of the rare specimens - sea trout, common minnow, european bullhead and vimba vimba.

They can be identified from other common minnow species by the black "moustache" on their upper lips, along with a black dot on their dorsal fins.

The river is a habitat for a variety of fish including brown trout, common dace, the gudgeon gobio gobio, stone loach and common minnow.

Down from Helmsdorf, the river Wesenitz is protected according Habitats Directive, referring to the appearance of European bullhead and common minnow.

The Eurasian minnow, minnow, or common minnow (Phoxinus phoxinus) is a small species of freshwater fish in the carp family Cyprinidae.

Many fish species inhabit the estuary such as the common minnow, hardyheads, gobies and larger species such as Black Bream and Sea Mullet.

The clear waters are the habitat of brown trout, burbot, European chub, common minnow and Arctic char, eight genera of molluscs, as well as of numerous algae species.

There are eight species of fish in the park: Northern pike and European perch are the most commons, other include grayling, common minnow, burbot, three-spined stickleback and the least common, brown trout.

Apart from the trouts, common minnows (Phoxinus phoxinus) too exist.

Minnow (Phoxinus phoxinus)

The Zingel asper lives in habitats similar to that of the River jelly lionen, Lamprehuela, and the Phoxinus phoxinus.

The Eurasian minnow, minnow, or common minnow (Phoxinus phoxinus) is a small species of freshwater fish in the carp family Cyprinidae.

Isolierung des Schreckstoffes aus der Haut der Elritze Phoxinus phoxinus (L).

Naish et al. (1993) examined shoals of European minnows (Phoxinus phoxinus) and found no difference in relatedness within and between shoals, indicating that individuals are not associating more closely with relatives than nonrelatives.

Bats cannot enter the closed spaces, so the largest vertebrate is a 10 cm long fish, the Minnow (Phoxinus phoxinus L.), which probably swims in through the wet passages from the Malom-tó (Mill Pond).

The current water quality allows for a stable fish fauna, with five species populating the river, namely salmon (extinct in 1940 and restored thanks to the re-population programs of 1980s), trout, ezkailu (Phoxinus phoxinus), loach and eel.

Cui, Y and R. J. Wootton (1988): Bioenergetics of growth of a cyprinid Phoxinus phoxinus : the effect of ration, temperature, and body size on food consumption, faecal and nitrogen excretion.