Malabar snakehead

Channa diplogramma
Family Channidae
Genus Channa
IUCN category (World) VU
Channa diplogramma Channa diplogramma

Introduction

Descriptor : Day, 1865

Malabar snakehead, the 'Channa diplogramma', is an endemic species of the Western Ghats in India. Long considered synonymous with Channa micropeltes, it has been reinstated as a distinct species through morphological and genetic analyses. This distinction is based on specific meristic characters (number of scales in the lateral line, fin rays, vertebrae) and a genetic divergence estimated at over 20 million years.

Who is it?

Morphology

  • Average size
    50 cm
  • Maximum size
    60 cm
  • Longevity
    20 year
  • Average size
    50 cm
  • Maximum size
    60 cm
  • Longevity
    20 year

How to recognize This fish ?

It is a large species, reaching at least 48 cm in standard length. The body is elongated, circular at the front and slightly compressed towards the tail. The head, long and flattened, bears a wide mouth with conical and canine teeth.

Unlike C. micropeltes, the body proportions and number of vertebrae (53-54) allow reliable identification. The species undergoes several color phases during growth: juveniles have black stripes and an orange dorsal area, while adults have a white abdomen, a dark back with purplish reflections, and whitish spots on the flanks.

Sexual dimorphism

Adult females show a more developed abdomen, especially during the breeding period. In males, the head is proportionally wider and the coloration may be slightly more contrasted.

Behaviour & Life cycle

  • diet
    carnivorous
  • Sociability
    living as a couple or alone
  • territorial
    Yes
  • Way of living
    nocturnal

Malabar snakehead is a top-level predator, feeding on fish, crustaceans, and aquatic invertebrates. Juveniles often move in groups and can follow their parents after hatching, a rare strategy among Channidae. The species is gregarious in its early stages but becomes more solitary in adulthood.

Reproduction

  • Reproduction
    ovipare oeufs flottants

Like other large Channa species, this species is oviparous with parental care. Eggs are laid in open water and parents provide close guarding. The young remain grouped and benefit from the protection of adults in the early stages.

Harmless species

The species does not pose a particular danger to humans. Like other large species in the genus, accidental bites may occur during handling, but they are not aggressive towards people.

Origin and distribution

Natural range
Invasive range
Mixed / unknown area

Geographic distribution & Conservation

The species is endemic to rivers in southwest India, in the Kerala and Tamil Nadu states (Meenachil, Manimala, Pamba-Achankovil, Kallada, Chittar, and Tambraparini basins). This distribution restricted to the Western Ghats, a biodiversity hotspot, highlights the importance of its conservation. Due to its value as food and local fishing, the species is subject to anthropogenic pressure, although its exact populations remain poorly documented.

Conservation status of populations (IUCN)

World : VU

What is its habitat?

Natural environment characteristics

  • Temperature
    25 - 28 °C
  • pH (acidity)
    6 - 6.5
  • gh (hardness)
    2 - 8

Biotope presentation

Malabar snakehead occupies rivers and reservoirs in the foothills and plains of the Western Ghats. It inhabits tropical freshwater, clear to slightly turbid, with sandy or rocky substrates. Habitats are often located in forested areas, characterized by high humidity.

Species of the same biotope

Main recommendations for fishkeeping

Deontology

In order to preserve wildlife, if you acquire this animal, it must not be released into the wild. See also, the Fishipedia charter.

Fishipedia supports the practice of responsible and environmentally friendly aquarium keeping. We encourage maintenance if it is motivated by a desire to understand the biological functioning of living things and if it is done with respect for animal life.

We believe that aquaristics is an opening to the discovery of aquatic environments, especially freshwater, and that this knowledge is necessary to better protect and respect these environments. Logically, we refute the compulsive purchase of animals that would not find a sufficient and / or adapted place in the host aquarium.

Our recommendations

  • Min volume
    3000 liters
  • Population min
    1
  • Temperature
    25 - 28 °C
  • pH (acidity)
    6 - 6.5

Characteristics

  • Difficulty breeding
    very difficult
  • Robustness
    sensible
  • Behaviour
    slightly aggressive
  • Availability
    rare

General reminders

It is strongly advised to read the complete dedicated file and to get information on the feedbacks of maintenance of the envisaged animal, this to avoid any potential conflict whose end result is generally the death of the individual (or the other inhabitants). It is important not to overload your aquarium to limit pollution. This will make maintenance easier.

In nature, animals are subject to weather conditions and live in waters with variable characteristics. The recommendations offered by our team for aquarium maintenance are a guidance and cannot be assimilated to scientific datas.

General reminder on maintenance datas

Le démarrage d'un aquarium est une partie primordiale pour l'équilibre et le bien-être des poissons. Lorsque l'on met en eau un aquarium, l'eau passe naturellement par un cycle biologique : le cycle de l'azote. Celui-ci dure environ trois semaines. Tous les 2 jours, nous vous conseillons de tester votre eau jusqu'à ce que le taux de nitrite soit à zéro pendant plusieurs jours d'affilée.

Pour accélérer ce cycle, vous pouvez utiliser un activateur de bactéries comme JBL Denitrol. Cette solution riche en bactéries vivantes et enzymes permet une mise en place rapide du cycle de l'azote. Les poissons peuvent alors être introduits plus rapidement.

Il est important de tester l'eau de son aquarium régulièrement pour maintenir un environnement sain pour les poissons et les autres habitants. Les tests d'eau permettent de mesurer les niveaux de différents paramètres tels que le pH, la dureté totale, ainsi que les taux de nitrates, de nitrites et d'ammoniaque.

Pour réaliser ces tests, vous pouvez utiliser des produits d'analyse spécialisés tels que JBL ProScan qui permet de réaliser un diagnostic de l'eau directement via un smartphone. Il existe également des coffrets de tests plus classiques de bandelettes, comme JBL PROAQUATEST.

En cas d’usage de l’eau du robinet, vous pouvez utiliser un conditionneur d’eau de type Biotopol de JBL pour éliminer les substances nocives comme le chlore, le cuivre, le plomb et le zinc. Une eau trop dure ou trop calcaire peut être inadaptée à de nombreuses espèces tropicales d’eau douce. Si nécessaire, vous pouvez la couper avec de l’eau osmosée ou de pluie filtrée afin d’obtenir une dureté plus adaptée aux besoins de vos poissons et de vos plantes. Les conditionneurs d'eau garantissent une meilleure santé aux poissons et une meilleure croissance des plantes.

Chlorine and chloramine are dangerous for the health of animals. Used to disinfect water, these agents are present in significant quantities in tap water. We recommend using an anti-chlorine agent every time you change the water. In addition to chlorine, treatments and medicines sold for aquarium use sometimes contain dangerous heavy metals in high doses.

Specific needs for the Malabar snakehead

The Malabar snakehead is a species which lives naturally at a temperature between 25 °C and 28 °C. The Malabar snakehead is sensitive to abrupt changes in parameters as well as to chemicals. Its acclimation in an aquarium must be done with special care to prevent it from developing diseases or weaknesses. Nitrate levels should remain below 25mg/L. To keep the water clean and unpolluted, plan on changing 20% to 30% of the water volume each month.

The Malabar snakehead is a species whose maintenance is rather reserved for informed aquarists . It can only be successfully carried out by carrying out a minimum of documentation work. Special husbandry conditions can easily lead to the death of the species or other animals.

This species is very rare in the aquarium trade. Instead, it is maintained by knowledgeable aquarists who own and breed individuals from wild origin strains. If you want to get this species, we advise you to contact specialized clubs. }Specimens from long time breeding are a bit easier to breed but you have to respect the particular water parameters.

Jumping fish

Be careful, the Malabar snakehead is an excellent jumper, naturally using this faculty to change its living area or to escape from predators. The aquarium must be perfectly covered to prevent him from making a deadly jump...

Cohabitation & Environment

This fish being a predatory species, it is recommended to maintain it in a specific environment, without other species. Indeed, any crustacean or fish of lower size will become a potential prey. A 3000 liter aquarium is the minimum recommended for its maintenance. If you still try to associate it with other species, the cohabitants must be of a size at least comparable to the predator in a much larger volume. The aquarium can be provided with many hiding places and a large space to allow each individual to find refuge if necessary.

Tips for feeding

The Malabar snakehead is carnivorous.

This species can eat dry food (flakes, pellets), fresh food and frozen food. To avoid deficiencies, it is recommended to vary the types of food.

Feed animals in moderation to maintain good water quality. Meals should be eaten within 2–3 minutes, served in several small portions rather than a single large ration.

Uneaten food quickly decomposes, releasing ammonia, nitrites, and nitrates, which disturb the aquarium’s biological balance.

Make sure each species can access food properly, slower or bottom-dwelling individuals may require targeted feeding.

Food recommendations from our partner JBL - Products PRONOVO

Reproduction protocol

  • Maintenance difficulty
    hard
  • egg-laying protection
    No

Hybridization risks

In general, it is advised not to mix several species of the same genus or different varieties of the same species, to avoid the risks of hybridization.

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To go further

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To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Benoit Chartrer

Benoit Chartrer

Translation

Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

Bibliographic references

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Scientific partners

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