Mouth of Kwagira River, Papua New Guinea

_st place in Biotope Aquarium Design Contest 2022

Volume of aquarium: 280lt

Dimensions of aquarium: 100x45x65cm

List of fishes: Tateurndina ocellicauda, Pseudomugil furcatus, Periophthalmus argentilineatus

List of plants: Vesicularia montagnei

Description of Decorations and Substrate: Big variety of roots and branches, moorwood, driftwood, mopani, lime stone, fine quartz sand and eucalyptus tree leaf combined for this aquascape.

Description of Equipment: The aquarium runs with a chamber filter, one Eheim compactON 600 on it. Eheim Jager 150w and led lighting.

Water Parameters: Temperature 26c, pH 7.4-7.8, GH 10, KH 8, NH3 0, NO2 0, NO3 0

Additional Info:

Aquarium video:

Description of the Area Surrounding the Biotope: -9.584151, 149.430011
Kwagira river start from Dayman Mountain at Milne bay province flow through the rainforest to Masubuna Bay. At dry season water are low and many riverbed parts have exposed mud sediment. Trees, shrubs, bushes and vines creating a wildlife-filled environment.

Description of the Underwater Landscape of the Biotope: A typical river at dry season with crystal clear water, flow through fallen trees and braches with many plants and mosses at river bank and more clear flow at the center.

Description of the Habitat Parameters: Temperature 22 – 27° C, Turbidity Clear, bottom visible in 3 foot, Hardness 80 ppm, Alkalinity 15 to 102 ppm, pH 7.6, salinity 90 to 130 microsemens.

List of Fishes and Invertebrates Occurring in the Nature Biotope: P. connieae, Craterocephalus kailolae, Tetracentrum honessi, Mogurnda orientalis, Mogurnda sp. , Glossogobius sp.

List of Plants Found in the Nature Biotope: Vesicularia montagnei, aponogeton loriae.

Threats to the Ecology of the Biotope:

Sources of Information:,New%20Guinea%20(Allen%201991).