European cold flowing water aquarium

4. European cold water aquarium resembling flowing waters

List of Fish:

• sunfish (solarium) Lepomis gibbosus - body length up to 30 cm, an alien species in Poland, feeding on plants and living food
• Carpathian barbell Barbus waleckii - body length up to 30 cm, feeds on live food, under protection
• saber carp Pelecus cultratus - body length usually 30 cm, feeds on plants and living food, under protection
• Amur sleever (Amur pectoral) Pseudorasbora parva - length up to 11 cm, in Poland an invasive alien species that should not be released into the wild after being caught, feeds on live food
• white-finned bullhead (common) Cottus gobio - body length up to 15 cm, predator, bottom species, feeds on live food, under protection
• banded bullethead Cottus poecilopus - body length up to 15 cm, predator, a bottom species, feeds on live and plant food, under protection
• ruff Gymnocephalus cernua - body length up to 20 cm, bottom and schooling species, feeds on live food
• dace Leuciscus leuciscus - body length up to 30 cm, a schooling species, feeds on live food
• silver crucian carp Carassius gibelio - body length up to 30 cm, feeds on live and plant food
• white-finned gudgeon Romanogobio albipinnatus - body length up to 13 cm, a shoal species, bottom, feeds on live and plant food, under protection
• Kessler's gudgeon Romanogobio kesslerii - body length up to 15 cm, feeds on live and plant food, under protection
• common gudgeon Gobio gobio - body length up to 14 cm, a schooling species, feeds on live and plant food
• Danube loach Cobitis elongatoides - body length up to 13 cm
• common loach Cobitis taenia - body length up to 12 cm, a bottom species, feeds on live food, under protection
• golden loach Sabanejewia aurata - depending on the subspecies, body length 7-14 cm, a bottom species, feeds on live food, under protection
• white bream Blicca bjoerkna - body length up to 30 cm, feeds on live and plant food
• grayling Thymallus thymallus - body length up to 30 cm, a schooling species, feeds on live food, protected period March-May, protected size 30 cm
• Eastern American mudfish Umbra pygmaea - body length up to 15 cm, feeds on live food
• spirlin (minnow) Alburnoides bipunctatus - body length up to 15 cm, feeds on live and plant food, under protection
• roach Rutilus rutilus - body length up to 30 cm, a schooling species, feeds on plant and live food
• brook trout Salvelinus fontinalis - body length about 30 cm, feeds on live food
• asp Ballerus ballerus - body length up to 30 cm, a schooling species, feeds on live food
• bitterling Rhodeus sericeus - body length up to 11 cm, a shoal species, feeds on plant food (phytoplankton), under protection
• blue bream (klepiec) Ballerus sapa - body length up to 30 cm, a bottom, schooling species, feeds on live food, under protection
• common sunbleak Leucaspius delineatus - body length up to 10 cm, a shoal species, feeds on plant and live food
• mud minnow Rhynchocypris percnurus - body length up to 18 cm, a shoal species, bottom, feeds on live food, under protection
• Eurasian minnow Phoxinus phoxinus - body length up to 15 cm, a schooling species, feeds on live and plant food
• stone loach Barbatula barbatula - body length up to 20 cm, a bottom species, feeds on live food, under protection
• common nase Chondrostoma nasus - body length about 30 cm, a schooling species, feeds on plant and live food, protection period from January to May, protection size 25 cm
• common bleak Alburnus alburnus - body length up to 20 cm, a schooling species, feeds on live food
• rudd (redfin) Scardinius erythrophthalmus - body length up to 30 cm, a schooling species, feeds on plant food, protected size 15 cm

List of Other Water Animals:

Snails:

• great pond snail Radix balthica
• big-ear radix Radix auricularia
• river limpet Ancylus fluviatilis
• river nerite Theodoxus fluviatilis
• sharp bladder snail Physella acut
• common bithynia Bithynia tentaculata
• great ram's horn Planorbarius corneus
• river viviparous snail Viviparus viviparus L.

Crayfish:

• mud crayfish Astacus (Pontastacus) leptodactylus - partially protected in Poland
• spiny-cheek crayfish Orconectes limosus - an invasive species in Poland
• stone crayfish Austropotamobius torrentium
• noble crayfish Astacus astacus - partially protected in Poland

Mussels:

• Corbicula fluminalis - invasive species
• ribbed pea clam Sphaerium solidum
• river coin clam Pisidium amnicum
• painter's mussel Unio pictorum
• common duck mussel Anodonta anatina

List of plants:

• yellow water-lily Nuphar lutea (partially protected in Poland)
• water caltrop Trapa natans L.
• thin waterweed Elodea nuttallii
• Canadian waterweed Elodea canadensis
• brooklime Veronica beccabunga L.
• comb pondweed Stuckenia pectinata L.
• longleaf pondweed Potamogeton nodosus P.
• broad-leaved pondweed Potamogeton natans
• claspingleaf pondweed Potamogeton perfoliatus L.
• rigid hornwort Ceratophyllum demersum L.
• common duckweed Lemna minor L.
• red duckweed Lemna turionifera L.
• longneck water-starwort Callitriche cophocarpa
• water crowfoot Ranunculus aquatilis L. (protected species in Poland)
• sald watermilfoil Myriophyllum spicatum
• common frogbit Hydrocharis morsus-ranae L.

Aquarium arrangement:

This type of aquarium requires a sandy or gravel (fine-grained) substrate. Decorative elements should be stones called round stones of various sizes, branches or thicker branches, individual plants and dried beech or oak leaves scattered on the bottom.