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> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Retroculinae
Etymology: Retroculus: Latin, retro = backwards, on the back side + Latin, oculus = eye; the relative posterior position of the eye in the head as compared to other cichlids (Ref. 45335).
More on author: Castelnau.

Issue
Redescription in Gosse (1971) with bibliography, diagnosis, description, and illustration.

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

; zoet water benthopelagisch; pH range: 7.0 - ? ; dH range: ? - 15. Tropical; 22°C - 27°C (Ref. 2059)

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South America: Amazon River basin, in the Tocantins and Capim River basins, Brazil.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 19.5 cm SL mannelijk / geslacht onbekend; (Ref. 125983); 25.1 cm SL (female); max. gepubliceerd gewicht: 443.43 g (Ref. 125983); max. gepubliceerd gewicht: 443.43 g

In adults, males are larger, with extended dorsal, anal and pelvic fins (Ref. 37197).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Pair builds nest of about 60 cm diameter in gravel. Both parents defend nest; about 200 eggs are frequently reshuffled by both parents; larvae hatched 5-6 days after spawning.

Hoofdreferentie Upload your references | Referenties | Coördinator : Kullander, Sven O. | Medewerkers

Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01072 (0.00518 - 0.02216), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.5 ±0.3 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (21 of 100).

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