Synodontis nigromaculata Boulenger, 1905

Blackspotted squeaker

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Mochokidae
Synonyms	Synodontis colyeri, Synodontis melanostictus, ... more
Common names	Spotted squeaker, Schwarzgefleckter Fiederbartwels, Sortplettet rygsvømmermalle, ... more

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Main reference

Gosse, J.-P. 1986. (Ref. 3202)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 38.5 cm TL male/unsexed; (Ref. 3202); max. published weight: 315 g (Ref. 7248)

Environment

Benthopelagic; freshwater; pH range: 6.0 - 7.5; dH range: ? - 20

Climate / Range

Tropical; 22°C - 26°C (Ref. 2059); 11°S - 21°S

Africa: Luapula System, Moero, Bangwelo, Lake Tanganyika, upper Kasai, upper Zambezi, Okovango, Cunene and Limpopo. Also present in the Zambian Congo (Ref. 7248).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Prefers rocks or marginal vegetation of flowing riverine channels to lagoons or backwaters. Feeds on a variety of food including detritus, algae and plant material, insects, snails and small fish, and scavenges readily. Oviparous (Ref. 205). Breeds during the summer rainy season (Ref. 7248).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: subsistence fisheries; gamefish: yes; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (K=0.8)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (21 of 100)	Not marketed/unknown

Entered by Kuosmanen-Postila, Sari

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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