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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Colombian Shark Catfish

Picture of Shark catfish
Common nameShark catfish, Colombian shark catfish, Tete sea catfish
Scientific nameHexanematichthys seemanni
SynonymsArius seemani (old genus name), A. jordani (junior synonym)
SizeUsually around 12-14" (30-35cm), but can reach 24" (60cm)
OriginNorth, Central and South American rivers and estuaries.
Tank setupLarge brackish tank with plenty of open swimming space.
CompatibilityPredatory, likely to eat any fish small enough to fit in their mouths. Slightly territorial towards their own kind, peaceful with other fishes. Keep with large brackish fish, such as adult Scats or Monos.
Temperature21-26oC (70-79oF)
Water chemistryNeutral to alkaline, slightly brackish to marine.
FeedingCarnivore: live and frozen meaty foods, dry foods such as sinking catfish pellets can be used to balance the diet.
SexingMales are more slender than females.
BreedingNot usually spawned in the aquarium, changes in salinity required. A mouthbrooder.
CommentsThese fish are best kept in a small group. They are often seen for sale at 2-3", but the potential size should be taken into account before buying. These fish are often sold from, and kept in, freshwater tanks when younger, but they should be converted to brackish water for their long term health. Low level brackish conditions (around s.g. 1.005) will suffice for young fish, but older specimens are best kept in stronger brackish conditions at around s.g. 1.015 or above.


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