Cichla monoculus : fisheries, gamefish, aquarium

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Cichla monoculus Agassiz, 1831

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Cichla monoculus
Picture by Kullander, S.O.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Cichlinae
Etymology: Cichla: Greek, kichle = wrasse (Ref. 45335).
More on author: Agassiz.

Issue
Redescription based on Peruvian material in Kullander (1986:1), with diagnosis, description, distribution and illustrations.

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

; sötvatten bentopelagisk; pH range: 7.0 - ?. Tropical; 25°C - 28°C (Ref. 13614)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

South America: Rio Solimões-Amazonas along the main channel and lower courses of tributaries; Peru, Colombia and Brazil; including Araguari and lower Oyapock rivers north of the Amazon. Probably much more widespread in the lowland Amazon basin.

Length at first maturity / Size / Vikt / Age

Könsmognad: Lm ?, range 20 - ? cm
Max length : 70.0 cm SL hane/ej könsbestämd; (Ref. 50805); publicerad maxvikt: 9.0 kg (Ref. 35237)

Short description Bestämningsnycklar | Morfologi | Morfometri

Diagnosis: This species is similar to C. kelberi and C. pleiozona in having three dark vertical bars on side, presence of a pronounced occipital bar in large specimens, absence of black or ocellated markings laterally on head, and presence of irregular dark blotches on anterior abdominal side. Differs from C. pleiozona by having less scales in a lateral row (68-87 vs. 84-93 in C. pleiozona) and typical absence of dark vertical bar anteriorly on caudal peduncle, and from C. kelberi by absence of light spots on anal and pelvic fins and lower caudal fin (Ref. 57716).
Body shape (shape guide): fusiform / normal.

Biologi     Ordlista (t.ex. epibenthic)

Specimens collected were from flood prone areas, but in the Amazon the biotopes are more varied. This fish forays along the shore where small fishes may be concentrated. Juveniles feed on shrimps, while adults are almost exclusively piscivore. Oviparous (Ref. 205). Males are sexually mature after one year while females mature after two years. During reproduction which is not markedly seasonal, large males develop a frontal hump and become territorial (Ref. 35237). Maximum length 80 cm TL (Ref. 35237).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Oviparous (Ref. 205). May spawn 3-4 times a year in batches of 50 to 100 eggs, each spawning lasting 2-3 hours (Ref. 50805).

Main reference Upload your references | referenser | Koordinator : Kullander, Sven O. | Medarbetare

Kullander, S.O. and E.J.G. Ferreira, 2006. A review of the South American cichlid genus Cichla, with descriptions of nine new species. Ichthyol. Explor. Freshwat. 17(4):289-398. (Ref. 57716)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 05 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: mindre kommeriell; sportfisk: ja; Akvarium: Offentliga akvarier
FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Food items (preys)
Födosammansättning
Födointag
Food rations
Predatorer
Ekologi
Ekologi
Home ranges
Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans
Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik
Anatomy
Gälyta
Brain
Otolith
Physiology
Body composition
Nutrients
Syreförbrukning
Swimming type
Simhastighet
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetik
Genome
Genetik
Heterozygosity
Ärftlighet
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
Medarbetare
referenser
referenser

Verktyg

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00693 - 0.01992), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.9   ±0.66 se; based on food items.
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec=150-400).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100). 🛈
Price category (Ref. 80766):   Unknown.