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Oxydoras kneri  Bleeker, 1862


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Image of Oxydoras kneri
Oxydoras kneri
Picture by Sverlij, S.

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

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Doradidae (Thorny catfishes)
Etymology: Oxydoras: Greek, oxys = sharp + Greek, dora = skin (Ref. 45335).   More on author: Bleeker.

Environment / Climate / Range Ecology

Freshwater; demersal.   Tropical

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL male/unsexed; (Ref. 37054); max. published weight: 9.0 kg (Ref. 6868)

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

South America: Paraná River basin.

Biology     Glossary (e.g. epibenthic)

Omnivorous, feeding mainly on insects, crustaceans, mollusks, other invertebrates and some vegetable material (Ref. 6868).

Main reference Upload your references | References | Coordinator : Ferraris, Jr., Carl J. | Collaborators

Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p.

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

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FAO areas
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Ecology
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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00410 - 0.02802), b=3.04 (2.82 - 3.26), based on LWR estimates for this Subfamily-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.39 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (53 of 100) .
Price category (Ref. 80766):   Unknown.