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Barbatula barbatula  (Linnaeus, 1758)

Stone loach
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Image of Barbatula barbatula (Stone loach)
Barbatula barbatula
Picture by Schöffmann, J.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cypriniformes (Carps) > Nemacheilidae ()
Etymology: Barbatula: Diminutive of Latin barba,-ae = beard (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; demersal; pH range: 7.0 - 7.7; dH range: 10 - 15; potamodromous (Ref. 51243).   Temperate; ? - 18°C (Ref. 13371); 67°N - 39°N, 6°W - 59°E

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 21.0 cm TL male/unsexed; (Ref. 1441); common length : 12.0 cm SL male/unsexed; (Ref. 5504); max. published weight: 200.00 g (Ref. 5504); max. reported age: 7 years (Ref. 6111)

Short description Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 6-8; Anal spines: 3; Anal soft rays: 5 - 6. Distinguished from its congeners in Europe by the following combination of characters: caudal fin usually slightly emarginate (truncate in a few populations); pelvic origin beneath dorsal origin or under branched dorsal rays 1-2; caudal peduncle depth 1.4-2.2 (usually 1.6-2.0) times in its length, 1.2-1.8 times in body depth; often lacking dark blotches along back between nape and dorsal (Ref. 59043). Body elongated, anteriorly somewhat depressed, posteriorly laterally compressed. Three pairs of mouth barbels. No erectile spine below eye. Posterior margin of caudal fin slightly notched. Caudal fin with 15-17 rays (Ref. 2196).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eurasia: Europe north of Caucasus, Pyrénées and Alps, from Loire and Rhone drainages eastward; British Isles ( except northern Scotland), southern Sweden and Finland (northward to about 66°N); northeastern Italy; Danube and Vardar drainages (Ref. 59043); Asia to China (Ref. 6111).

Biology     Glossary (e.g. epibenthic)

Usually found in flowing stretches of streams and medium-sized rivers with gravel to stone bottom, but also in a variety of other habitats, including sandy canals and lake shores. Larvae are benthic. Larvae and small juveniles prefer sand bottom and slow current, shifting to gravel bottom and fast current when growing. Adults prey on relatively large benthic invertebrates such as gammarids, chironomids, insect larvae. They breed on gravel, sand or among aquatic vegetation. Tolerate moderate organic pollution and stream canalization and very sensitive to pollution by heavy metals (Ref. 59043). Sensitive to pollution and low oxygen levels, therefore, its presence in a river can be taken as an indication of good water quality (Ref. 6111).

Main reference Upload your references | References | Coordinator | Collaborators

Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol, Switzerland. 646 p. (Ref. 59043)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; aquarium: public aquariums; bait: occasionally
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00386 - 0.02592), b=3.05 (2.83 - 3.27), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.4 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (tm=2-3).
Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100) .
Price category (Ref. 80766):   Unknown.