Rhamphichthys hahni, Roundnose knifefish

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Rhamphichthys hahni (Meinken, 1937)

Roundnose knifefish
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Rhamphichthys hahni
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gymnotiformes (Knifefishes) > Rhamphichthyidae (Sand knifefishes)
Etymology: Rhamphichthys: Greek, rhamphos = bill, peak + Greek, ichthys = fish (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Temperate

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

South America: Paraná River basin (Ref. 30500). Reported from the Uruguay River (Ref. 79585).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 26.7 cm TL male/unsexed; (Ref. 30500)

Biology     Glossary (e.g. epibenthic)

Reported to reach 70 cm TL (Ref. 81048).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Campos-da-Paz, Ricardo | Collaborators

Campos-da-Paz, R. and H.-J. Paepke, 1994. On Sternarchorhamphus hahni, a member of the rhamphichthyid genus Rhamphichthys (Ostariophysi: Gymnotiformes). Ichthyol. Explor. Freshwat. 5(2):155-159. (Ref. 30500)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 23 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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