Sunday,26 September 2021, 7 : 05 AM

Katria katria

A sapayensis
Katria katria
Image Credit: Miguel Artigas


Katria katria is a medium sized fish and it is the only member of its genus.
It has a standard length of 5."
It is found in Mangoro and Nosivolo Rivers in east-central Madagascar.


(Click for details of Cichlid taxonomy)

Katria katria was first described by Reinthal & Stiassny, 1997 as Ptychochromoides katria.
Subsequently on the basis of molecular analysis and other feature Sparks and Smith assigned it to the new genus Katira.
It is the only member of its genus.


Shape :-

Katria reaches a length of about 5.1 " (SL).
There are 14-15 dorsal spines and 9-11 dorsal soft rays.
It has three anal spines: 3 ;and 8-9 anal soft rays.
The Vertebrae are between : 29 - 31.
Katria katria is differenciated from Ptychochromoides by presence of two tooth rows.

Distribution & Habitat

Katria katria Katria katria is found in Nosivolo River and Mangoro in Tamatave Province, Madagascar, Africa.
It lives in rivers amongst sand and gravel bottom and scattered boulders.


Not much information is available on its dietry preferences.

Conservation Status & Threats

IUCN Red list shows status of Katria katria as "Vulnerable ".

This species has a restricted distribution within the Nosivolo and Mangoro rivers, but its habitat is in very good condition and it does not have to deal with either exotic predators or competitors.

Given the lack of evidence for decline in quality of habitat or population size (it is a very common species within its range) this species is assessed as Vulnerable on account of its restriction to a single location.

Tank Size and setup:

Not much information is available on its upkeep in aquariums, however as it a medium to large size fish, a large aquarium can be used.

Sexual Dimorphism & Breeding:

There are no sexually dimorphic features apparent,

Species Snapshot

Species Card

Particulars Details
Scientific Name Katria katria
Common Name
Genus katria
Subfamily Ptychochrominae
Geographical Origin Africa: Madagascar.
Gender Differences Mono morphic
Breeding Substrate Spawner
Temperament Mildly aggressive
Con Specific Temperament Highly aggessive
Water hardness
Difficulty Level in Aquariums 4

Morphometric Data

Particulars Details
Total Length(inches)
Standard Length(inches)

Measurements as % of Total Length

Particulars Details
Body Depth  %
Head length  %
Pre Dorsal length  %
Pre Pectoral length  %
Pre Anal length  %
Pre Pelvic length  %
Caudal Peduncle Depth  %
Caudal Peduncle Length  %
Fork length  %
Length of Last Dorsal Fin Spine  %
Pectoral Fin Length  %
Pelvic Fin Length  %

Measurements as % of Head Length

Particulars Details
Head Width  %
Snout length  %
Eye diameter  %
Pre Orbital Length  %
Inter Orbital Width  %
Pre Orbital Depth  %

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