Stone loach (Barbatula barbatula) fish species and information / pictures of Stone loach - Barbatula barbatula

Stone loach (Barbatula barbatula) fish species information

Scientific Name
Barbatula barbatula

Common Name
Stone loach

Biology
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).

Classification

Classified By

Linnaeus, 1758

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

River loaches (Balitoridae)

Distribution

Region

Eurasia

Distribution

Eurasia: Europe north of Caucasus, Pyr?n?es 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).

Range

67°N - 39°N, 6°W - 59°E

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

18 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; ; pH range: 7.0 - 7.7; dH range: 10 - 15 demersal; potamodromous (Ref. 51243)

Trophic Level

3.18 s.e. 0.42 Based on diet studies.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

21.0 cm

Common Length

12.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquarium: public aquariums; bait: occasionally

Vulnerability

Moderate vulnerability (37 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tm=2-3)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)