Klassifizierung / Names
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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
Ökologie
; süßwasser benthopelagisch; pH range: 7.0 - ? ; dH range: ? - 15. Tropical; 22°C - 27°C (Ref. 2059)
South America: Amazon River basin, in the Tocantins and Capim River basins, Brazil.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 19.5 cm SL Männchen/unbestimmt; (Ref. 125983); 25.1 cm SL (female); max. veröff. Gewicht: 443.43 g (Ref. 125983); max. veröff. Gewicht: 443.43 g
In adults, males are larger, with extended dorsal, anal and pelvic fins (Ref. 37197).
Life cycle and mating behavior
Maturities | Fortpflanzung | 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.
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)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trophic level (Ref.
69278): 3.5 ±0.3 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).