Carnivorous Fish

Lashway · 07-11-2008, 09:58 AM

Are there any fish that are carnivorous like the Oscar but don't grow to be too large? I would like to keep 1 or 2 in a separate tank probably between 10-15 gallons.

Good Wolf · 07-11-2008, 12:42 PM

Almost every semi-aggressive and agressive fish are carnivorous. If they can fit in their mouth they will pretty much each it.

Ghost Knife · 07-11-2008, 12:45 PM

Most types of knife fish are carnivorous, but my Ghost Knife sometimes eat flakes and algae chips, but mainly sticks with bloodworms and tubifex worms. African Brown Knifes and Clown Knifes are also primarily carnivorous. The problem is that Clown Knifes get up to 2 feet while the Ghost and African Brown Knives get up to 1.5 feet.

karazy · 07-11-2008, 01:29 PM

theres crayfish which are very amusing to watch

emc7 · 07-11-2008, 01:57 PM

Notice the 10 gallon tank. That really limits what he can keep. I don't think you will find any small "meat" eaters like piranha. You only have space for "bug-eaters" like bettas.

MaelStrom · 07-11-2008, 02:01 PM

A single figure-eight puffer could live in a 15 gallon tank, but they need brackish water...

Scuba Kid · 07-11-2008, 08:32 PM

Dwarf pike cichlid could work.

Lashway · 07-13-2008, 05:02 PM

Thanks everyone. I have looked into it before and I would love to keep a Ghost Knife but as someone else stated, I really cannot keep a fish that grows to that size. I will definitely look into Dwarf pike cichlids though. Now I just have one more question, what is brackish water?

Scuba Kid · 07-13-2008, 05:48 PM

Its water with some marine salt added, but not enough to be full saltwater. Usually a specific gravity below 1.020 (being a high-end brackish salinity) is considered brackish. Full saltwater is above that, with the ideal SG for a saltwater tank being around 1.024.

Lashway · 08-14-2008, 07:40 PM

Oh, I see. Thanks.

I saw a couple Ghost Knife at my LFS today for $21.99. I was really impressed by them swimming around but I would be need a much larger tank.

07-11-2008, 09:58 AM	#1
Lashway Junior Member Join Date: Jul 2008 Age: 19 Posts: 5	Carnivorous Fish Are there any fish that are carnivorous like the Oscar but don't grow to be too large? I would like to keep 1 or 2 in a separate tank probably between 10-15 gallons.

07-11-2008, 12:42 PM	#2
Good Wolf Senior Member Join Date: Mar 2008 Location: Wylie, TX Posts: 238	Almost every semi-aggressive and agressive fish are carnivorous. If they can fit in their mouth they will pretty much each it. __________________ ~Chris~ *55g planted; 30g planted; 5g planted*

07-11-2008, 12:45 PM	#3
Ghost Knife Permanent Fishaholic Join Date: Mar 2008 Location: Mississippi Age: 26 Posts: 196	Most types of knife fish are carnivorous, but my Ghost Knife sometimes eat flakes and algae chips, but mainly sticks with bloodworms and tubifex worms. African Brown Knifes and Clown Knifes are also primarily carnivorous. The problem is that Clown Knifes get up to 2 feet while the Ghost and African Brown Knives get up to 1.5 feet. __________________ 55G (Upgrading to a 135G soon) 4 Tiger Barbs 4 Albino Cories 4 Emerald Cories 2 Rosy Barbs 2 Serpae Tetras 1 Black Ghost Knife (8") 1 Common Pleco 55G 4 Black Moors 3 Golden Dojo Loaches 2 Red Cap Orandas 1 Comet 1 Black Kuhli Loach 1 Common Pleco 29G (For Sale) Lots of Ramshorn Snails 5 Long-Finned Zebra Danios 4 Glowlight Tetras 3 Peppered Cories 1 Clown Loach (For snail eating purposes and it's working) 1 Ghost Shrimp

07-11-2008, 08:32 PM	#7
Scuba Kid Senior Member Join Date: Jan 2005 Location: RI Age: 18 Posts: 4,225	Dwarf pike cichlid could work. __________________ Current setups: 1800 gallon koi pond, 10 gallon planted, 150 gallon reef, other FOWLR tanks

07-13-2008, 05:48 PM	#9
Scuba Kid Senior Member Join Date: Jan 2005 Location: RI Age: 18 Posts: 4,225	Its water with some marine salt added, but not enough to be full saltwater. Usually a specific gravity below 1.020 (being a high-end brackish salinity) is considered brackish. Full saltwater is above that, with the ideal SG for a saltwater tank being around 1.024. __________________ Current setups: 1800 gallon koi pond, 10 gallon planted, 150 gallon reef, other FOWLR tanks

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07-11-2008, 01:29 PM	#4
karazy the bird is the word Join Date: Nov 2007 Posts: 626	theres crayfish which are very amusing to watch

07-11-2008, 01:57 PM	#5
emc7 Senior Member Join Date: Jul 2005 Location: Johns Creek, GA Posts: 3,654	Notice the 10 gallon tank. That really limits what he can keep. I don't think you will find any small "meat" eaters like piranha. You only have space for "bug-eaters" like bettas.

07-11-2008, 02:01 PM	#6
MaelStrom Senior Member Join Date: Jun 2007 Posts: 374	A single figure-eight puffer could live in a 15 gallon tank, but they need brackish water...

07-13-2008, 05:02 PM	#8
Lashway Junior Member Join Date: Jul 2008 Age: 19 Posts: 5	Thanks everyone. I have looked into it before and I would love to keep a Ghost Knife but as someone else stated, I really cannot keep a fish that grows to that size. I will definitely look into Dwarf pike cichlids though. Now I just have one more question, what is brackish water?

08-14-2008, 07:40 PM	#10
Lashway Junior Member Join Date: Jul 2008 Age: 19 Posts: 5	Oh, I see. Thanks. I saw a couple Ghost Knife at my LFS today for $21.99. I was really impressed by them swimming around but I would be need a much larger tank.

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