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I have 2 black fin sharks.. one is a light shiny gray and the other is a dark charcoal grayy.. they both have black fins with a white trim and catfish like whiskers being that they are in the catfish family.. i don't know why your fish could have turned black but it may be growing? that would be my best guess.. they grow up to about 18in long and need a 30 gallon to start when they aare purchased at about 2.5in and need to be increased in tank size up to at least a 100 galloon tank when they reach full length or they will streessss out! go to where you bought your sharks and check with them to see what is up with ur fish..
What else can I help you with?
What are the distinguishing features of a shark with a black tip on its fin?
A shark with a black tip on its fin is typically a blacktip shark. The distinguishing features of a blacktip shark include a slender body, pointed snout, and black markings on the tips of its fins, especially the dorsal fin. These sharks are known for their agility and speed in the water.
Small silver fish with a straight fin with black and orange on fin what is it?
it could possibly be the tricolor shark (or bala shark).
Why is a black tip reef shark called a black tip reef shark?
A black tip reef shark is called a black tip reef shark because its fin and tail has black markings on the top.
What is soup fin?
Soup fin is shark fin used in making shark fin soup.
How many gallons does a baby black fin shark need?
about 10,000 gallons ;)
On Poptropica how do you get the shark fin from sharktooth island?
you go to poptropica shark tooth island then you go to the person with the shark fin and then click on him....and then you will have the shark fin.
When was Shark Fin Blues created?
Shark Fin Blues was created in 2005.
What are the disadvantages of eating shark fin's?
Well, if you eat a shark fin, you have to cut off the shark fin first and a shark without fins is pretty much doomed and will drown because it can't get oxygen. And shark fins are expensive.
Why do bottle nose dolphin have a shark fin?
They don't have a shark fin. They have a completely different type fo fin all together
How many bowls of shark fin soup can you make with a shark fin?
about one fifth of one can
On Poptropica how do you get a shark fin from sharktooth island?
when you first leave your blimp go to the first guy you see he should be wearing a shark fin and hat talk to him you will get the shark fin
Do shark fin have fin-rays?
yes it dose
