Madagascar country information

Common names: Juba, Tsipoy
Occurrence: endemic
Salinity: freshwater
Abundance: fairly common (chances are about 50%) | Ref: Sparks, J.S., 2002
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Anjingo R., Ankofia drainage, NE of Antsohihy, Antalaha /Majunga Province. Endemic to the Ankofia drainage basin and its tributaries, including Anjingo R. and Lac Andrapongy, in the northwestern part of the country. Place of occurrence are generally shallow, clear, moderate ro swift flowing, subject to vast seasonal fluctuation in water level and flow rate. Common in the small and densely forested Bemahavony R. within the reserve than in the surrounding larger river channels (Ref. 41510).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ma.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Sparks, J.S., 2002
National Database:

Common names from other countries

Tsipoy, Juba, ... more

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Ptychochrominae
Etymology: Ptychochromis: Greek, ptyx, = fold + Greek, chromis = a fish, perhaps a perch (Ref. 45335); inornatus: From the lack of a series of large, dark lateral blotches on the flanks and its overall plain appearance compared to congeneric species..

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

; eau douce; saumâtre benthopélagique. Tropical; 14°S - 16°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Africa: Madagascar.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 12.2 cm SL mâle / non sexé; (Ref. 41510)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 13 - 14; Rayons mous dorsaux (Total): 9-11; Épines anales 3; Rayons mous anaux: 8 - 9; Vertèbres: 26 - 27. No large, black blotches or bands arrayed in series along the lateral midline. Second pharyngobranchial tooth plate with 2 rows of teeth. Robust unicate process of the first epibranchial bone at least twice the diameter of the anterior arm. Reduced angle between arms of the first epibranchial. Gill rakers on lower limb 10 (modally). Supraoccipital crest with truncate and rounded postero-dorsal margin. Fin coloration in life deep orangish-red. Anterior chest scales embedded and reduced in size.

Specimens collected in shallow, clear, moderate to swift flowing water; also from deeper pools or from under overhanging banks and vegetation. Diet highly variable, apparently an omnivore (Ref. 41510).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Kullander, Sven O. | Collaborateurs

Sparks, J.S., 2002. Ptychochromis inornatus: a new cichlid (Teleostei: Cichlidae) from northwestern Mdagascar, with a discussion on intrageneric variation in Ptychochromis. Copeia 2002(1):120-130. (Ref. 41510)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Menacé (EN) (B1ab(iii)); Date assessed: 27 June 2016

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.3 ±0.3 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Ptychochromis inornatus Sparks, 2002