Shark Nose
Taking Care of the Hemigrammus Species
Hemigrammus include the Erythrozonus, Rhodostomus, Flammeus, and so on. The Flammeus comes from the Hyphessobrycon group. The Hemigrammus Erythrozonus species are commonly known as the Glowlight Tetra. The fish at one time was wrongly characterized as the Hyphessobrycon Gracilis. Hemigrammus Erythrozonus comes from British Guiana, and grows 1 ¾ in size. The fish has a glow to its ruby red body. If the fish is kept in unfavorable waters however the colors was change. Hemigrammus Erythrozonus is a friendly fish that dwells well with other fish, excluding the aggressive fish. In addition, Hemigrammus Erythrozonus will eat most foods. The tetra fish are often small and bright colored, and are a member of the Characin family. The fish do well in tropical tanks.
Water conditions:
The tank temperature should remain at 78 degrees or 80 degrees Fahrenheit. The tank should have a dark background setting. In addition, you should enrich the tank with thick plants.
How to breed:
The fish may breed best in peaty waters, or acriflavine methods. To learn more about breeding this fish you will need to consult with the pet shop experts. They will have helpful brochures available. The fish lay up to 400 eggs, which the hatchlings are laid in one day.
Hemigrammus Rhodostomus fish are often called Rummy/Red Nosed Tetra. The fish come from the Amazons and grow to be 2 inches in size. The fish has a brilliantly red colored snout, which this specie has a peaceful nature. The hardy fish will eat all sorts of foodstuff.
Water conditions
You should keep the water conditions at 78 degrees Fahrenheit. The water should be slightly acidy, or reasonably soft. This fish is one of the harder fish to breed, therefore if you are purchasing fish for breeding purposes and do not have skills, check out other fish breeds.
Hyphessobrycon Flammeus fish are commonly referred to as Flame Tetra, or Tetra Von Rio. The fish come from Rio de Janeiro’s neighboring areas. The fish only reach 1 ½ inches in size and are shorter fish specimen than other fish species. The lower part of the fish has a shimmering red color.
This fish has a hardy behavior pattern, which makes a good aquarium fish. The fish has minimal expectations on water conditions, and breeds well. The fish will lay up to 200 eggs, which are hatched in one day.
Other species related to the Hemigrammus Erythrozonus is the Hyphessobrycon Pulchripinnis.
The Amazon fish is sometimes called Lemon Tetra. This is a smaller fish which grows around 1 ¾ inches in size. The fish has a distinctive pale lemony color, which includes a brilliant red patch at the upper region of the eye.
The Lemon Tetra is ideal for social tanks. The fish is peaceful in nature and feeds off most foods. The fish prefers softer water conditions, which the temperature should remain at 80 degrees. The fish will also accept living in slight acidy waters. Male Lemon fish have a better color choice. The fish do not breed easy; therefore, if you are attempting to breed this fish try peaty waters.
Paracheirodon innesi is a Neon Tetra Brazilian fish. The fish grows around 1 ¼ in size and is one of the most popular tank fishes sold on the market. The fish has a greenish-blue and deep red body combined. The hardy fish can care for himself amongst smaller and larger fish. The fish generally rests at the bottom of an aquarium, which he will eat all foods. This is another hard to breed fish.
About the Author
To read about dangerous sharks and freshwater sharks, visit the Types Of Sharks site.
Shark Nose
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Are Sawtooth Shark noses worth anything?
Those long snouts with teeth all around the outside?
Sawshark or Sawfish? I think you mean sawfish, but i think they both use their "saw" in similar ways.
http://en.wikipedia.org/wiki/Sawshark
Sawshark
The sharks typically feed on bony fish, shrimp, squids, and crustaceans, depending on species. They cruise the bottom, using the barbels and ampullae of Lorenzini on the saw to detect prey in mud or sand, then hit victims with side-to-side swipes of the saw, crippling them.
http://www.elasmo-research.org/education/shark_profiles/pristiophoriformes.htm
The pristiophoroids look rather like slender sawfishes, but are readily distinguished by a pair of long nasal barbels — resembling a Fu Manchu mustache — hanging from the underside of the 'saw' about mid-way along its length. The saw itself is an extension of the rostral cartilages supporting the snout. The rostral teeth of sawsharks are replaced when broken or lost, unlike those of sawfishes (in which damaged or missing rostral teeth are not replaced). Sawsharks are strongly bottom-oriented, occurring over sand or mud substrates. They apparently use their electrosensitive ampullae of Lorenzini peppering the undersurface of the saw and their highly sensitive nasal barbels to detect buried prey, which they then debilitate with vigorous side-to-side swipes of the rostral saw. Sawsharks have a small, transverse mouth and tiny, cuspidate teeth. Known prey of these sharks includes small fishes (such as gapers and cornetfishes), crustaceans, and squids.
http://en.wikipedia.org/wiki/Sawfish
Sawfish
The most eye-catching feature of the sawfish is their saw-like snout, called a rostrum. The rostrum is covered with motion- and electro-sensitive pores that allow sawfish to detect movement and even heartbeats of buried prey in the ocean floor. The rostrum acts like a metal detector as the sawfish hovers over the bottom, looking for hidden food. It is also used as a digging tool to unearth buried crustaceans. When a suitable prey swims by, the normally lethargic sawfish will spring from the bottom and slash at it furiously with its saw. This generally stuns or injures the prey sufficiently for the sawfish to devour it without much resistance. Sawfishes have also been known to defend themselves with their rostrum, against predators (like sharks) and intruding divers. The "teeth" protruding from the rostrum are not real teeth, but modified denticle scales. (The scales of a sawfish have a similar structure to its teeth, confusing the distinction somewhat.)
http://www.flmnh.ufl.edu/fish/Gallery/Descript/Freshwatersawfish/Freshwatersawfish.htm
Food Habits
Despite the freshwater sawfish's interesting mode of food gathering, using its rostrum in a side-to-side slashing motion to dislodge invertebrates from substrate and to stun schooling fishes, little is known about the feeding habits of this species. Reported food items of the freshwater sawfish include the marine catfish Arius graeffei, cherabin (Macrobrachium rosenbergii), shrimp, and small fishes. Additional prey species may include freshwater prawn such as Macrobrachium australiense, M. rosenbergi, and M. handschii.