Marcusenius krameri : fisheries

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Marcusenius krameri Maake, Gon & Swartz 2014

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Marcusenius krameri
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drawing shows typical fish in this Family.

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Marcusenius: Becasue of J. Marcusen, author of "Zur Phauna des Schwarzen Meeres", 1867; ichthyologist;  krameri: Marcusenius krameri is named for Prof. Bernd Kramer from the Zoological Institute of the University of Regensburg, Germany, in recognition of his contribution to the systematics of southern African mormyrids (Ref. 95448).

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

; Água doce bentopelágico.   Tropical; 17°C - 27°C (Ref. 95448); 24°S - 25°S

Distribuição Países | Áreas FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

Africa: Limpopo River and several of its tributaries in South Africa (Ref. 95448).

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 19.7 cm SL macho/indeterminado; (Ref. 95448)

Descrição breve Morfologia | Morfometria

Espinhos dorsais (total): 0; Raios dorsais moles (total): 22-25; Espinhos anais 0; Raios anais moles: 28 - 31; Vértebras: 44. Diagnosis: Marcusenius krameri can be distinguished from its congeners by following characters: middle body depth 21.9-28.1% of standard length; distance from dorsal fin origin to end of caudal peduncle 39.9-41.7% of standard length; distance from anal fin origin to end of caudal peduncle 42.8-44.9% of standard length; dorsal fin length 15.5-20.0% of standard length; anal fin length 23.2-25.5% of standard length; depth of caudal peduncle 26.0-40.6% of its length; scales around caudal peduncle 16; total vertebrae 44; anterior gill rakers (5-6)+(5); total anterior gill rakers 10-11; posterior gill rakers (8)+(9); total posterior gill rakers 17; dorsal fin rays 22-25; anal fin rays 28-31; scales along lateral line 69-72; conical teeth on upper/lower jaws 4-6 (Ref. 95448).

Biologia     Glossário (ex. epibenthic)

Individuals of this species were found in groups; during the day they were commonly encountered below undercut river banks, especially in dense networks of tree roots or reed beds along the stream margins; places with shallow water and slow-flowing reaches of rivers and streams are especially attractive to them (Ref. 95448). Large numbers of small juveniles were found in bushes of aquatic reeds and floating grass on the periphery of the river or in side channels (Ref. 95448).

Life cycle and mating behavior Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Maake, P.A., O. Gon and E.R. Swartz, 2014. Descriptions of three new species of Marcusenius Gill, 1862 (Teleostei: Mormyridae) from South Africa and Mozambique. Zootaxa 3780(3):455-480. (Ref. 95448)

Categoria na Lista Vermelha da IUCN (Ref. 123251)

  Preocupação menor (LC) ; Date assessed: 06 December 2016

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless





Utilização humana

Pescarias:
FAO(Publication : search) | FishSource |

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Fontes da internet

Aquatic Commons | BHL | Cloffa | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishipedia | Fishtrace | GenBank(genoma, nucleotídeo) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Árvore da vida | Wikipedia(ir para, procurar) | World Records Freshwater Fishing | Zoobank | Registo zoológico

Estimates 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 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Vulnerabilidade (Ref. 59153):  Low vulnerability (24 of 100) .