Sunday, January 15, 2012

Sexing Crystal / Amano / Red Bee / Black Bee and Other Freshwater Shirmp

Sexing Crystal / Amano / Red Bee / Black Bee and Other Freshwater Shirmp

Of course when attempting to understand the reproduction process one of the most important aspects is the ability to sex the shrimp. However, this is not that easy. Some species are very easy to sex whereas others are virtually impossible to sex with what is known now. Species such as the Red Cherry Shrimp, Yellow Shrimp, Snowball Shrimp and a others are very easy to sex. Other species such as the, Crystal Shirmp, Red Bee, Black Bee, Amano, Red Goldflake Shrimp, Cardinal Shrimp, Harlequin Shrimp and others can be extremely difficult to sex. Sexing really does depend on the species you are observing. Check out each species info page to read the detailed information on that particular species and how to sex it.

The male is smaller and less colorful than the female. The male's tail, not being needed to carry eggs, is thinner. The female is larger and displays a much darker and more extensive red color, and often has a "saddle" marking of developing eggs.

Females are longer and fatter, while males will be slim. The males have more distinct dots on the sides, the female's look more like a broken like.

Males generally have longer antennae also

But a decapod biologist will tell you that the only way to truly know the sex is to look for specific characteristics of the reproductive system.

Males have a sperm duct located between the 6th and the 8th body segment.

Females have a genital opening at the 6th body segment. Females can also be more readily identified visually by egg filled ovaries or the presence of eggs held beneath the pleopods.

Thursday, August 18, 2011

The Natural Home of Freswater Prawns (Distribution)

Macrobrachium Rosenbergii at Sumatera River
Species of the freshwater prawn genus Macrobrachium are distributed throughout the tropical and subtropical zones of the world. Holthuis (1980) provides useful information on the distribution, local names, habitats and maximum sizes of commercial (fished and farmed) species of Macrobrachium.

They are found in most inland freshwater areas including lakes, rivers, swamps, irrigation ditches, canals and ponds, as well as in estuarine areas. Most species require brackishwater in the initial stages of their life cycle

Wednesday, August 17, 2011

Shrimp and Pasta

Shrimp and Pasta
Ingredients Shrimp and Pasta :    1/4 lb pasta spaghetti
    10 med shrimp - cleaned
    2 TB olive oil
    2 TB butter
    pinch salt
    pinch pepper
    1/4 cup Parmesan cheese
    2 TB parsley
    2 garlic cloves, minced

Monday, August 15, 2011

Shrimp Alfredo Recipe / Prawn Alfredo Recipe

Ingredients Shrimp Alfredo Recipe / Prawn Alfredo Recipe :
- 1lb medium raw shrimp or prawn (peeled and deveined with tails removed)
- 6 garlic cloves (sliced in half)
- 1 medium onion (diced)
- ¾ cup grated parmesan cheese
- 8 ounces fettuccini (or your favorite pasta)
- 1 tablespoon olive oil
- 1 tablespoon butter
- 1 cup whole milk
- 1 teaspoon cornstarch
- seasoning salt

Shirmp Nutrition Facts

In the ‘90s, shrimp was one of those foods shunned for its high cholesterol. By 1996, a study published in the American Journal of Clinical Nutrition found that although high in cholesterol, shrimp did not adversely affect production of cholesterol in the body. David Heber, director of the Center for Human Nutrition at the University of California-Los Angeles, and author of What Color Is Your Diet? goes over 15 common myths about nutrition, including the notion that eating shrimp raises cholesterol levels. “The American Heart Association acknowledged a long time ago that shrimp had been wrongly accused, but lots of people, including some doctors, still believe this myth.”

Friday, June 24, 2011

Naming Freshwater Prawns

All the freshwater prawns that have been cultured so far belong to the genus
Macrobrachium, Bate 1868, the largest genus of the family Palaemonidae. About 200 species
have been described, almost all of which live in freshwater at least for part of their life.
The giant river prawn, Macrobrachium rosenbergii, was one of the first species to
become scientifically known, the first recognisable illustration appearing in 1705. The
nomenclature of freshwater prawns, both on a generic and a