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Johnius dorsalis (Peters, 1855)

Small kob
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Johnius dorsalis   AquaMaps   Data sources: GBIF OBIS
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Image of Johnius dorsalis (Small kob)
No image available for this species;
drawing shows typical species in Sciaenidae.

Classificação / Names Nomes comuns | Sinónimos | Catalog of Fishes(Género, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: More on author: Peters.

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

marinhas; estuarina demersal. Tropical

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

Western Indian Ocean: Kenya to South Africa and Madagascar. Previously referred to as Johnius dussumieri, which is restricted from Pakistan east to the Andaman Islands.

Length at first maturity / Tamanho / Peso / Idade

Maturity: Lm 13.0  range ? - ? cm
Max length : 40.0 cm TL macho/indeterminado; (Ref. 4336); common length : 20.0 cm TL macho/indeterminado; (Ref. 3490)

Biologia     Glossário (ex. epibenthic)

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Sasaki, K., 1997. Resurrection of two East African species of Johnius (Perciformes, Sciaenidae). Ichthyol. Res. 44(3):311-315. (Ref. 13679)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

  Preocupação menor (LC) ; Date assessed: 02 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

  Harmless





Utilização humana

Pescarias: pouco comercial; peixe desportivo: sim
FAO - Publication: search | FishSource |

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Trophic ecology
Itens alimentares
Diet compositions
Food consumptions
Food rations
Predadores
Ecology
Ecologia
Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Frequência de comprimento
Mass conversions
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Abundances
Life cycle
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Fecundities
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Egg(s)
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Dinâmica larvar
Distribution
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Physiology
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Tipo de natação
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Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)
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Fontes da internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Consultar FishWatcher | CISTI | Catalog of Fishes: Género, Espécies | DiscoverLife | ECOTOX | FAO - Publication: search | 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 | Registo zoológico

Estimates based on models

Preferred temperature (Ref. 123201): 24.3 - 27.6, mean 26.9 °C (based on 72 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00650 - 0.01937), b=3.09 (2.95 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.5   ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100).
Categoria de preço (Ref. 80766):   Medium.