You can sponsor this page

Acipenser ruthenus  Linnaeus, 1758

Sterlet sturgeon
Upload your photos and videos
Pictures | Stamps, Coins | Google image
Image of Acipenser ruthenus (Sterlet sturgeon)
Acipenser ruthenus
Picture by Meyer, T.


Slovakia country information

Common names: Jeseter malý
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 683, 27368. Status of threat: susceptible (Ref. 90058).
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/lo.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Hol?ik, J., 1996
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 125 cm TL male/unsexed; (Ref. 6866); common length : 40.0 cm TL male/unsexed; (Ref. 556); max. published weight: 16.0 kg (Ref. 593); max. reported age: 20 years (Ref. 556)

Length at first maturity
Lm 43.0, range 40 - 45 cm

Environment

Freshwater; brackish; demersal; potamodromous (Ref. 51243); depth range 1 - ? m

Climate / Range

Temperate, preferred 13°C (Ref. 107945); 72°N - 40°N, 12°E - 103°E

Distribution

Eurasia: rivers draining to Black, Azov and Caspian Seas; Siberia from Ob eastward to Yenisei drainages. Introduced throughout Europe, without formation of self-sustaining populations. Appendix III of the Bern Convention (protected fauna). International trade restricted (CITES II, since 1.4.98; CMS Appendix II for Danube population).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 13; Dorsal soft rays (total): 28; Anal spines: 9; Anal soft rays: 14 - 18. Back and flanks are beige. Five rows of scutes : 12-17D, 57-71L, 10-19V. Ventrals and laterals are very light-colored, nearly white. Narrow and pointed snout with four long and fringed barbels. Inferior lip clearly slit (Ref. 40476). Can be diagnosed from congeners in Europe by having 56-71 lateral scutes, first dorsal scute not fused with head, barbels fimbriate, lower lip interrupted in middle and 11-27 gill rakers (Ref. 59043).

Biology     Glossary (e.g. epibenthic)

A fluvial fish which inhabits rivers and their tributaries (Ref. 9696). Occurs in large rivers, usually in the current and in deep water. Moves to flooded areas to feed (Ref. 59043). Chiefly potamodromous (Ref. 58897). Like other sturgeons, it aggregates in bottom holes in winter and exhibits little activity. In spring, when ice breaks, it rises from the bottom holes and moves upstream for spawning (Ref. 593). Spawns in habitats with strong-current on gravel, rarely on gravel-sand bottom or in flooded sites. Juveniles stay in riverine habitats during their first summer. Classified as endangered species. Anadromous populations are now extirpated; local populations are still surviving in most parts of range (Ref. 59043).

IUCN Red List Status (Ref. 115185)

  Vulnerable (VU) (A2cde)

Threat to humans

  Harmless



Human uses

Fisheries: commercial; aquaculture: commercial; aquarium: public aquariums

More information

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.6   ±0.4 se; Based on diet studies.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (tm=5-9; tmax=25; K=0.12; Fec=11,000)

Vulnerability (Ref. 59153)
High vulnerability (64 of 100)
Price category (Ref. 80766)
Unknown