26. Flatfishes (5)

  • Catathyridium jenynsii

    6. November 2017

    Flatfishes, like flounders, soles, turbots etc. are usually living in marine environments. But there do exist also pure freshwater species. Among them is Catathyridium jenynsii from southern South America. We obtained a specimen from Paraguay, but the fish has a pretty wide distribution in the large river basins of the ParanĂ¡ and Uruguay. The species […]

  • Euryglossa panoides

    16. September 2015

    Flounders and tongues belong to a group of fishes that are rarely seen in the aquarium hobby. Whereas flounders have a well developed, clearly visible caudal fin, in the tongues the dorsal, ventral and caudal fins are melted. The species Euryglossa panoides, which is by chance imported from India and Vietnam belongs to the tongues. […]

  • Euryglossa panoides

    16. September 2015

    Many species of flatfish (of course not all of them) are wanderers between two worlds. They are very tolerant against different salinities and can live as happy in pure freshwater as in pure marine water. The common European Flounder (Platichthys flesus) for example is found occasionally as far upwards as Basel in the Rhine. However, […]

  • Cyclopsetta sp.

    Cyclopsetta sp.

    28. December 2011

    The flatfishes (Pleuronectiformes) are a quite successfull order of fishes, comprising 11 families, 108 genera and about 572 species. Most of them are marine, only 4 species are known to live completely in fresh water, but many species are found in the brackish water of the lower reaches of rivers at least during their youth. […]