Tropical - Fish - Pictures .com

This is a tropical fish site for all tropical fish enthusiasts from beginner to expert. It has some nice tropical fish pictures and will hopefully have something of interest for all freshwater and marine fish keepers. These tropical fish pages provide some information about some of my favourite fish, along with tropical fish pictures of them. I have kept fish for many years now, ranging from community to marine. Over this period I have been drawn towards catfish, and the cichlids, which I must confess, through there antics have become my favourites. I now keep African and American cichlids, along with some catfish and plecs.

 
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Red-Finned Shark

Picture of Red finned shark
Common nameRed Finned Shark, Ruby shark, Rainbow shark
Scientific nameEpalzeorhynchos frenatum
SynonymsLabeo frenatus (old genus name), E. erythrurus
SizeUp to 6" (15cm)
OriginS.E. Asia (Thailand)
Tank setupPlanted tank with caves of wood and/or rocks, preferably at least 3ft/90cm in length.
CompatibilityTerritorial, and can be aggressive, particularly towards similar fish. Mixes well with active barbs, Rainbowfish, etc that occupy the middle and upper areas of the tank.
Temperature22-26oC (72-79oF)
Water chemistryFairly soft, slightly acidic preferred (pH 6.5-7.0)
FeedingOmnivorous, some vegetable component to the diet is recommended, will graze on algae.
SexingMales have a slimmer body profile, and black lines on the anal fin.
BreedingOnly occasionally achieved in aquaria - aggression is a problem.
Comments This fish is often territorial and can be aggressive, particularly towards its own species, but also to others. This aggressive nature can become more apparent with age. It is not generally as aggressive as its relative the Red-tailed black shark, and it is not generally a good idea to keep more than one of these species together, except in very large tanks with plenty of decor, so that territories can be established without the fish being constantly in site of each other.
A very similar species, Epalzeorhynchos munense, may be sold under the same common names.


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