#426: 200L Biotope Aquascape Profundulus oaxacae habitat

Víctor Manuel Ortiz Cruz San Lorenzo Cacaotepec, Mexico

Awards and Comments

First Place
I can feel that you gave your full passion to create this biotope for your fishes.
— Oliver Knott
REALLY impressive display!!!
— Karen Randall
Really well done on the below water part. But if you do it partially emersed as well than that part should look great and contribute as well.

For me it does not add to either the esthetical part nor the general feeling of the layout.
— Marco Aukes
Nicely done. Congrats.
— Kam Wong
Very well done and kudos for bringing to attention the issues that face this habitat. This feels like a small snapshot of what this habitat would look like if seen in the wild.
— Bailin Shaw

Aquascape Details

Dimensions 100 × 50 × 40 cm
Title Profundulus oaxacae habitat
Volume 200L
Lighting 3 saving lamps 6500 K (white light) and indirect a window.
Filtration 1 filter cascade 1000 l / h, 1 head of power filter 300 l / h.
Plants Eleocharis parvula
Bacopa monnieri
Chara sp.
Ludwigia peploides
Sphagnum sp.
Fissidens crispus
Heteranthera reniformis
Unknown species
Animals 8 Profundulus oaxacae
4 Poecilia sphenops
Materials The substrate consists of decaying organic matter based stubble, dead plants, etc., covered with river sand, both substrate like rocks and wood used is in the area of distribution "Profundulus oaxacae".
Additional Information Biotope description:
This tank has been designed based on the recently discovered population of the killifish Profundulus oaxacae, a species about which very little is known and which is on the border of extinction due to the destruction and contamination of the watershed in which it was abundant until several decades ago (the river Atoyac in the state of Oaxaca, Mexico)
The habitat in which the 2nd confirmed existing population of this species was found is a micro watershed. More specifically it is the source of a stream which finds its way through a ravine surrounded by oak trees that constantly shed their leaves in the stream, and forming different small pools. Note that this population is isolated from the last of the species considered.
The stream finds its way through whitish rocks and the border is littered with small wooden trunks and roots, both covered in mosses with a large quantity of ferns, followed in abundance by Eleocharis parvula (there are other species of the same genus but this is the species that is in direct contact with the water). In the pools a native water lily (Heteranthera reniformis) can be found, as well as Ludwigia peploides, Bacopa monnieri, the macro algae Chara sp. At the bottom of the stream a small rosette type plant is found which has not been identified up to now. The bottom of the stream is mostly sandy covered with organic matter due to the decomposition of the oak leaves.
Profundulus oaxacae cohabiting in the last pools of the creek where he found with Poecilia sphenops, although the prevalence is higher killifish, being in the lowest part of the stream populations Profundulus disappear and is greater P . sphenops with other fish of the family Poecilidae.
It is worthwhile mentioning that the area of the recently discovered population of the Oaxacan killifish, is seriously threatened due to the advancing limits of the urban population. For this reason, the local municipal authority, together with a collective of environmentalists and the expertise of an aquatic biologist, that discovered the population, tries to protect this area and the Profundulus oaxacae. Through the participation in this contest we try to generate interest in and awareness about these efforts in order to obtain support of those interested.

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