Asp (Aspius aspius)

Asp (Aspius aspius)

"Tolaks Ltd." Company offers asp.

The asp is a European freshwater fish of the Cyprinid family. It is protected by the Bern Convention of endangered species and habitats. Asps are also on the IUCN Red List of endangered species.

Normally asps are between 10 to 80 centimeters in length, with some reaching 120 centimeters. Weight up to 12 kg. It inhabits lakes and lower reaches of rivers and estuaries. In spring, in April-June, the asps migrate from lakes to streams for spawning. Spawning is triggered by the raise in temperature and usually starts at 6°C. The eggs attach to rocks, gravel and water plants. After around two weeks they hatch and the fry drifts down stream to calmer waters.

Asps can be found in Germany, Sweden, Finland, Romania, Russia, and Switzerland. In Switzerland the asps has immigrated through the Rhine-Main-Danube Canal.

Max. size: 100.0 cm TL (male/unsexed); max. published weight: 9,000 g; max. reported age: 11 years. Environment: benthopelagic; potamodromous; freshwater; brackish; depth range 10 – ? m. Climate: temperate; 4 – 20°C; 66°N - 35°N, 3°E - 72°E. Importance: fisheries: commercial; aquaculture: commercial.

Distribution: Gazetteer European waters, except for Denmark, France, Great Britain, Switzerland and southern regions (Ref. 9696). Appendix III of the Bern Convention (protected fauna). Subspecies Aspius aspius iblioides recognized by authors for the Aral Sea.

Morphology: Dorsal spines (total): 3 - 3; Dorsal soft rays (total): 7 - 9; Anal spines: 3; Anal soft rays: 12 – 15. Long shape body, laterally compressed with a long sharp head. Green back with silver to blue tints. Lighter flanks. Silver white belly. Pectoral, pelvic and anal fins grey to brown. Scalar formula: 11-14/64-76/5-6.

Biology: Adults inhabit lower reaches of rivers and estuaries. Prefer to stay near bridge pillars, near tributaries, under weirs, in deep currents and overgrown parts of river and in quiet bays of river bends. One of the rare cyprinids which is piscivore; also feed on small aquatic birds. Migrate upstream in tributaries for spawning in April-June.

For more information contact the commercial department of our company:

Address: Russia, Astrakhan region, Astrakhan city, Boevaya str.132
Phones: +7 (8512) 73-88-63; +7 (8512) 38-22-28
Contact person: Aleksandr Lazarevich
E-mail: yaroslavna@inbox.ru, business-contact@mail.ru

как нас найти новости главная