Tiger Dwarf Goby - Mugilogobius tigrinus Fish Profile & Care Guide
Table of contents
Introduction
The Tiger Dwarf Goby (Mugilogobius tigrinus), is a distinctive species within the Gobiidae family. This species is primarily found in the Indo-Pacific region, with a geographical range encompassing areas from Southeast Asia to Northern Australia. With their striking appearance and intriguing behaviour, these gobies are a fascinating species for aquarists who can meet their specific care requirements.
When it comes to tank mates, Tiger Dwarf Gobies do well with other small, peaceful species that enjoy the same conditions as these Gobies. Avoid large or aggressive fish that may bully or prey on them. Suitable companions might include other small Gobies, certain Rainbowfish, or small, peaceful killifish adapted to these conditions.
Regarding social dynamics, Mugilogobius tigrinusTiger Dwarf Gobies can be kept singly or in groups. If you opt for a group, it is important to provide enough space and hiding places to prevent territorial disputes. A larger tank is preferable for multiple individuals to ensure each Goby has its own territory.
To replicate their natural habitat, the aquarium should include a soft, sandy substrate, along with rocks and driftwood to provide hiding places. They will also require a steady water flow, efficient filtration, and regular maintenance, including water changes, to maintain the water quality that will keep these Gobies in optimal health.
The Tiger Dwarf Goby, characterized by its moderately elongated and compressed body, exhibits a distinctive physical appearance. The head of this species is slightly depressed, and the overall body colouration presents a silvery-gold hue. This is accentuated by four complete black bands and two half bands, along with a singular rounded to elongate black spot located at the base of the caudal fin.
A notable feature of this Goby is the anterior part of the first dorsal fin, which is black, contrasting with the yellow edge of the back half of the fin. Additionally, these gobies are marked by a striking black stripe extending from the eye to the mouth, contributing to their unique and visually appealing appearance.
Tiger Dwarf Goby Photos
Sexual Dimorphism
Tiger Dwarf Gobies display sexual dimorphism, though it may be less pronounced than in other fish species. Typically, the males are distinguishable by their slightly larger size, with a notably broader head area. A key characteristic of the males is their enhanced fin display, particularly on their backs, which becomes more pronounced and vibrant during the breeding season. This heightened colouration is a trait shared by many goby species, serving as an attraction mechanism for females.
Additionally, males tend to exhibit more distinct markings, adding to their visual appeal. Females, conversely, are characterized by a rounder physique, especially noticeable when gravid, signalling their readiness for spawning. The males' larger size and more elaborately shaped and coloured fins are distinctive features that aid in differentiating them from their female counterparts.
Quick Facts
| Scientific Name | Mugilogobius tigrinus |
|---|---|
| Year Described | 2001 |
| Other Names | Narrow-barred Mangrove Goby |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Gobiiformes |
| Family | Oxudercidae |
| Genus | Mugilogobius |
| Origins | India , Singapore , Malaysia , Thailand |
| Max Size | 2.5 cm |
| Temperament | Peaceful |
| Aquarium Level | Bottom - Middle |
| Difficulty | Intermediate |
| Shoaling | No |
| Best kept as | 2 Females per Male |
| Diet & Feeding | Omnivore |
| Reproduction | Egg Depositor |
| Average Lifespan | Up to 5 Years |
Water Parameters
| Water Type | Freshwater/Brackish |
|---|---|
| pH | 7.0 - 8.0 |
| GH | 5 - 15 |
| ℉ | 71 - 82 |
|---|---|
| ℃ | 22 - 28 |
Natural Habitat
The Tiger Dwarf Goby, endemic to the Eastern Indian Ocean and Western Central Pacific regions, boasts a geographical range that includes parts of Thailand, Malaysia, and Singapore in Asia. This species is also found in notable estuarine and freshwater habitats in India, including the Ennore estuary along the east coast and the Airoli estuary on the west coast. Additionally, it inhabits the freshwater and hill streams of the Andaman Islands. The specific distribution of the Tiger Dwarf Goby in these diverse aquatic environments highlights its adaptability and ecological significance within these regions.
These Gobies typically inhabit brackish and freshwater environments such as estuaries, mangrove swamps, and tidal rivers. They prefer shallow waters with sandy or muddy substrates covered with leaf litter where they can easily forage for food. Their habitat choice reflects a preference for areas with ample hiding spots and a moderate current.
Breeding
The breeding habits of Tiger Dwarf Gobies are characterized by a series of distinct behaviours that reflect their natural life cycle. These gobies typically engage in breeding activities in a well-structured environment that closely resembles their natural habitat. The process begins with a courtship display, where the males exhibit more vibrant colours and perform specific movements to attract females.
Once a pair is formed, the female lays her eggs in a secure and hidden location, often in a crevice or beneath rocks or debris. The male then takes on the role of protector, guarding the eggs diligently against potential threats and ensuring their aeration for optimal health.
The incubation period varies but is relatively short, and upon hatching, the larvae are typically independent. In captivity, replicating these breeding conditions requires an environment that provides ample hiding spaces and a substrate suitable for egg-laying. Attention to water quality, temperature, and the creation of a stress-free environment are essential for successful breeding.
Diet & Feeding
In their natural environment, Tiger Dwarf Gobies primarily feed on a variety of small invertebrates and microorganisms. To replicate this diet in a controlled setting, a balanced mix of high-quality, small-sized live or frozen foods such as daphnia, brine shrimp, bloodworms, and tubifex alongside good-quality dried foods is ideal. These food sources not only provide the necessary nutrients but also encourage the natural foraging behaviour of the Tiger Dwarf Goby. Feeding your fish in moderation is important to prevent overfeeding, which can lead to health issues and deteriorate water quality.
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