Jump to navigation. While the premise of the movies is that evildoers intentionally put sharks in the lake to make money, it made me wonder whether a shark could ever actually make its way inland to a lake.
First of all, the lake would need to be somehow connected to the ocean via a river or other body of water deep and wide enough to accommodate the large animal as it travels upstream. Secondly, most sharks can only tolerate saltwater , or at the very minimum, brackish water, so freshwater rivers and lakes are generally out of the question for species such as great white sharks , tiger sharks , and hammerhead sharks. Bull sharks are the exception to this rule — they can tolerate brackish and even freshwater conditions because of their advanced ability to osmoregulate, or maintain a constant concentration of water in their bodies despite changing salinity levels in the water.
Red Tail sharks can also be aggressive towards other fish that are similar in shape to them or anything that also has a red tail. If adding a Red Tail shark to your aquarium it is generally advised to add it last, to help prevent territory issues. The Rainbow shark, also known as a Ruby shark, is perfect if you are looking for a shark with some color to brighten your tank up.
They feature jet black bodies with bright red dorsal, caudal and pelvic fins and can look quite striking in an aquarium. These sharks grow up to around six inches and can be territorial with other bottom-dwelling fish. Rainbow sharks also love to clean your tank for you, they enjoy eating algae on the bottom of the tank and may even take it off the glass.
The Iridescent shark is definitely the fish for you if you want one that looks exactly like a shark while still being able to fit it in your home aquarium. These sharks are a beautiful gunmetal grey and can grow up to four feet long!
Due to the size these sharks can grow to, they should be kept in large tanks only, ideally gallons liters for an adult-sized shark. They prefer to swim in the middle water of the tank, with a moderate flow, to best recreate their natural habitat. Iridescent sharks are quite hardy fish, as long as the tank is monitored and cared for closely.
The Silver Apollo shark is one of the more peaceful sharks available for freshwater aquariums. That being said, you should still avoid pairing with tankmates that could fit in their mouth, as that could be a tempting snack! A cave or hollow to claim will help mitigate some of their outward aggression.
Rainbow Sharks are also intolerant of other Sharks, including other Rainbows, unless kept in large aquariums with plenty of hiding spaces. The tank should have 3 or more Rainbow Sharks to diffuse aggression across the group. When kept with Red Tail Black Sharks Rainbows tend to lose as they are thinner and not nearly as robust. However this Shark grows massive in comparison, with 24 inches common for aquarium specimens and up to 36 inches in nature.
Black Sharks are common and desirable enough to be sought by fisherman for sport as well as food. They are robust fish that can weigh as much as 25 lbs! This makes them relations to Goldfish, Koi, Barbs, and Danios. Bala Sharks are unfortunately very common in the aquarium trade. They are sold as striking small fish with tinfoil bright scales and contrasting black edges to their fins.
Adult Bala Sharks are over a foot long and at all ages are schooling fish. When kept alone, Bala Sharks are skittish fish that will launch themselves against the glass or lid if the tank is too tight. When kept in schools of 6 or more Bala Sharks are less skittish but still grow large and need ample space to roam.
Bala Sharks are peaceful midwater dwellers and are a striking addition to any community tank of medium to large fish. In the wild Bala Sharks eat plankton and small floating invertebrates. The Iridescent Shark is another common, inexpensive aquarium fish that is unsuitable for the majority of aquariums. They are active and strikingly colored, with a purplish black iridescence mixed with pale white tones. However Iridescent Sharks can reach 3 to 4 feet in length and are schooling fish, to boot.
Iridescent Sharks are closely related to the Mekong Giant Catfish Pangasianodon gigas , which grows up to 10 feet long and is one of the largest freshwater fish in the world. They are peaceful community fish but will consume tank mates small enough to fit into their broad mouths. So long as you have the space for them Iridescent Sharks are attractive additions to a tank-buster community aquarium! You also might have come across Iridescent Sharks in the frozen seafood section of your local grocery store under the name Swai!
Firm and delicate in flavor, it can be used as a replacement in any recipe calling for freshwater whitefish. The sail-like dorsal fin sits high on an arched back and they are peaceful community dwellers with an active demeanor. As adults, they are a rather nondescript, cigar shaped fish with a sucking mouth similar to Chinese Algae Eaters. The entire transformation takes place over the course of two years.
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