| Cultivation of Larvae |
| temperature |
62.6-64.4ºF |
| salinity |
fresh water |
| oxygen |
> 5 ppm |
| density |
186 larvae/ft² |
| survival |
75-85% |
| Egg diameter |
0.12-0.14 in |
| Larva’s lenght |
0.39-0.47 in |
| Fattening |
| temperature |
68-75.2ºF |
| salinity |
fresh water |
| oxygen |
> 6 ppm |
| load |
Up to 20.45 lb/ft² |
| duration |
2-3/5 years |
| Final weight |
24.41-6.61lb / 17.64-26.46lb |
| survival |
95% a year |
Distribution: In Europe in the Italian Adriatic Sea, Albania, Croatia, Bosnia Herzegovina and Montenegro. It’s been put up in Spain and Portugal.
Feeding: It mainly eats alive food: aquatic insects’ larvae, ephemera larvae, snails, small fishes, pieces of shrimps and invertebrates.
Fishing: This is a protected species
Breeding: In ponds.
Reproduction: Anadromous species. Spawning season: in spring. In the wild, it spawns on rock bottoms between May and June. They lay a great amount of eggs that look like big sturgeons caviar (between 11,000 and 135,000 eggs). The egg hatching takes place 4 or 5 days alter spawning.