Flinders Ranges Mogurnda Fish

Gudgeon in Flinders Ranges

Gudgeon in Flinders Ranges

Mogurnda belongs to family Eleotridae- a family of fish that has 150 species and 35 genera. They are located in freshwaters and salty waters of New Zealand, Australia and Hawaii. It is known as bullies in New Zealand and called as sleepers or gudgeons in New Guinea and Australia. They are called sleepers because the variety of fishes stays still in the very bottom of the water to wait for prey. As soon as they see their prey, they then snatch the food in avery quick movement. When Mogurndas or gudgeons live in salt water in their larval stage, they eat plankton. Eventually they eat crustaceans, invertebrates, small fishes, and insects. They can be found in fresh water such as creeks, lakes, and streams. Rivers with brackish water could be their shelter too. They're mostly seen along brackish or freshwater and some can be found in seas.

Mogurnda or sleepers are relatively tiny and have elongated body which length ranges from 3cm to 66 cm. A number of them possess a thin circular and smooth-edge scale while others have scales that resemble a comb, usually rough in texture. They have conical teeth. Some Mogurnda are colorful while others have dark colors such as dark brown.Female and male Mogurnda are look alike, except when males modify their color in the phase of courtship, once they encounter same sex rival and when they're leading their partner towards the nest for spawning. Breeding period is reliable on its climate. Breeding is considered sluggish in colder regions that mostly happen two times in a year. They keep the egg in the very bottom of seawater floor. These fishes stay in salt water for larval stage and finally shift to freshwater or brackish water when it aged. Small Mogurnda is said to have a life expectancy of two years.

Flinders Ranges Mogurnda is under the species of Mogurnda Clivicola. The Mogurnda fishes have found a perfect sanctuary in its Flinders Rangers accommodation, residing throughout the muddy and rocky spring-fed pools and creeks of Vulkathunha Gammon Ranges National Park such as Bunyeroo, Brachina, Wilpena, Parachilna and Oratunga.They also thrive in rocky streams along the valleys. The muddy Barcoo River and Bulloo River are their preferred place too.

The Flinders Ranges Gudgeon fishes have gray spots on its either blue or brown scales. There is a matching dark orange stripe from its tail through its head. They've translucent two vertical fins behind and rounded tail fin. Male Mogurndas create a different color, having orange spots displayed in the body going to its tail in spawning season that usually occurs during summers. Their length could range up to 6 inches that is considered medium in comparison with other species found in other countries.

The climate is Flinders Ranges attraction for the variety's spawning. The females usually spawn over 20C that they could lay a maximum of 800 eggs. The males are the ones safe-guarding the eggs until they hatch in a period of seven days. Newly hatch Mogurnda are 5mm in lenght and are fed by recently hatched shrimp.

Recently, the government of the region is attempting to maintain the species since there have been a decreasing number of the fish in the rivers of Flinders Ranges. The variety of fishes has been one of Flinders Ranges attractions to researchers. The South Australian Research and Development Institute headed by Bryan Pierce strive to watch over the fishes particularly in the Gammon Ranges National Park.

Flinders Ranges Mogurnda Fish

By: Clinton Bernat

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