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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Etroplinae
Etymology: Paretroplus: Name from the Greek 'para' meaning 'on the side of'; in taxonomy it is commonly used in generic names to express similarity or relatedness; in the present case it would mean 'next to Etroplus' (S.Kullander, pers.comm. 3/11).
More on author: Bleeker.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce; salobre demersal. Tropical
Africa: eastern coast of Madagascar (Ref. 78623).
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 18.4 cm SL macho / no sexado; (Ref. 78623)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 16 - 18; Radios blandos dorsales (total) : 15 - 18; Espinas anales: 7 - 10; Radios blandos anales: 13 - 15. Diagnosis: Paretroplus polyactis is distinguished from congeners by a unique chainlink, or diamond mesh, pigmentation pattern, owing to contrasting dark scale margins and light centers over the entire flank and portions of the head; it is also the only member of the genus in which the entire series of lateral bars is both strongly pigmented and spotted, due to more darkly pigmented scale margins than centers, regardless of size (Ref. 78623). In life, P. polyactis is unique among deep-bodied members of the genus in possessing a bright red iris, a feature shared only with the elongate P. lamenabe (Ref. 78623).
Body shape (shape guide): fusiform / normal.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Sparks, J.S., 2008. Phylogeny of the cichlid subfamily Etroplinae and taxonomic revision of the Malagasy cichlid genus Paretroplus (Teleostei: Cichlidae). Bull. Am. Mus. Nat. Hist. 314:1-151. (Ref. 78623)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01660 (0.00655 - 0.04205), b=2.95 (2.74 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
2.8 ±0.3 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low to moderate vulnerability (26 of 100). 🛈 |