sarasin's goby

Scientific name Mugilogobius sarasinorum
Descriptor Boulenger
Year of description 1897
IUCN category EN
Family Gobiidae
Genus Mugilogobius
Mugilogobius sarasinorum Mugilogobius sarasinorum

Introduction

Mugilogobius sarasinorum, commonly known as sarasin's goby, is a fresh water fish from the Oceania.

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Who is it?

Morphology

  • Average size
    3 cm
  • Maximum size
    6 cm
  • Average size
    3 cm
  • Maximum size
    6 cm

How to recognize the sarasin's goby ?

The sarasin's goby measures between 3 and 6 cm. This fish is unicolore with a predominantly noir body.

Sexual dimorphism

Behaviour & Life cycle

  • diet
    omnivorous with carnivorous tendency
  • Sociability
    living in small groups
  • territorial
    Yes
  • Way of living
    nocturnal

The sarasin's goby is a fish living in small groups naturally found on the bottom. This species is omnivorous with carnivorous tendency . This fish lives mainly at night. Usually, it leaves its hiding place and starts to be active once it gets dark.

Although slightly territorial, the sarasin's goby is a rather peaceful animal that generally behaves in a peaceful manner with other species. It should be noted that it is sometimes less tolerant with its conspecifics.

Reproduction

  • Reproduction
    ovipare qui pond sur substrat découvert

The sarasin's goby is a fish ovipare qui pond sur substrat découvert.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

What is its habitat?

Natural environment characteristics

  • Temperature
    28 - 30 °C
  • pH (acidity)
    7.8 - 8.5
  • gh (hardness)
    5 - 10
  • Flow
    Slow

Biotope presentation

This animal evolves in areas characterized by a strong presence of vegetation (aquatic and marsh plants, decaying organic matter, roots...).

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
    80 liters
  • Population min
    5
  • Temperature
    28 - 30 °C
  • pH (acidity)
    7.8 - 8.5

Characteristics

  • Difficulty breeding
    very difficult
  • Robustness
    tolerant
  • Behaviour
    peaceful
  • 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. 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 sarasin's goby

The sarasin's goby is a species which lives naturally at a temperature between 28 °C and 30 °C. For proper maintenance, the temperature should never exceed the 33°C for long periods. Nitrate levels should remain below 50mg/L. To keep the water clean and unpolluted, plan on changing 20% to 30% of the water volume each month.

The sarasin's goby 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.

Formal incompatibilities

Be careful, the sarasin's goby is incompatible with crustacean.

Cohabitation & Environment

The sarasin's goby is a fish which it is advisable to maintain in specific aquarium. Associating it with other species is not fundamentally impossible but a documentation work is necessary for the constitution of the population. Being a living in small groups fish, it is advisable to install at least 5 individuals in an aquarium of 80 liters minimum. Group maintenance is a prerequisite to ensure their well-being. Lonely individuals tend to quickly become stressed and become especially susceptible to disease.

The species enjoys a particularly vegetation-rich environment. The addition of plants will provide many useful hiding places for resting. These areas are also conducive to possible breeding in the aquarium.

Basic water maintenance

The sarasin's goby naturally living in basic water, the presence of limestone rocks such as millstone or travertine will improve its environment. It is also advisable to add sand with a contribution of specific salts to stabilize the pH, to be gauged according to the hardness of the water used.

Tips for feeding

The sarasin's goby is omnivorous with carnivorous tendency.

You should not overfeed your residents to avoid polluting the water. For most species, it is better to feed a few small portions each day rather than one large meal.

Food recommendations from our partner JBL - Products PRONOVO

Reproduction protocol

  • egg-laying protection
    Yes

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.

To go further

Species of the same family

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

A revision of the gobiid fish genus Mugilogobius (Teleostei: Gobioidei), and its systematic placement - Records of the Western Australian Museum - 2001. (Suppl. No. 62)

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