Aequidens diadema
Introduction
Aequidens diademais medium sized fish of about 4.8" found in South America, Brazil.
Taxonomy
(Click for details of Cichlid taxonomy)
Aequidens diadema was first described by Heckel in 1840,
and has been placed in Genus Aequidens and subfamily Cichlasomatinae.
The Genus "Aequidens" is derived from Latin words, equips+equal+dens(teeth),
which roughly translates to "Fish with equal teeth".
Distribution & Habitat
Aequidens diadema is found in Amazon River basin, upper Negro River, Orinoco River basin, in tributaries of the Orinoco River in Colombia and Venezuela.
Keeping in Aquarium
Aequidens diadema has not been studied in detail yet, and not much
information is available on its aquarium requirements.
They need soft water and acidic water with a pH of 6.5-6.9.
The species live in tropical South American rivers and the recommended water temperature in the
aquarium is 21-28°C / 70-83°F.
Species Snapshot
Species Card
| Particulars | Details |
|---|---|
| Scientific Name | Aequidens diadema |
| Common Name | Royal acara |
| Genus | Aequidens |
| Subfamily | Cichlasomatinae |
| Geographical Origin | South America: Amazon River basin, in the upper Negro River; Orinoco River basin, |
| Diet | Omnivore |
| Gender Differences | Mono morphic |
| Breeding | Substrate Spawner |
| Temperament | Peaceful |
| Con Specific Temperament | Mildly Aggressive |
| Water hardness | Soft,pH range: 7; dH range: 15 |
| Difficulty Level in Aquariums | 2 |
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 | % |
How to use the Web site
Aquaticnation.org presents articles on various interests to aquarists. Following general articles are provided.
- What is a Fish
- Setting Up A New Aquarium
- How are Fish Classified
- Understanding Water Chemistry for Aquariums
Articles related to technical aspect of Fish keeping :
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and many more