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Zebra shark - Deep sea animal

Written By Mahdi Wiyanto on Wednesday, August 17, 2011 | 1:46:00 AM


Kingdom Animalia
Phylum Chordata
Class Chondrichthyes
Subclass Elasmobranchii
Order Orectolobiformes
Family Stegostomatidae
Genus Stegostoma
Species S. fasciatum


The zebra shark is a species of carpet shark and the sole member of the family Stegostomatidae. It is found throughout the tropical Indo-Pacific, frequenting coral reefs and sandy flats to a depth of 62 m (210 ft).
Adult zebra sharks are distinctive in appearance, with five longitudinal ridges on a cylindrical body, a low caudal fin comprising nearly half the total length, and a pattern of dark spots on a pale background.
Young zebra sharks under 50–90 cm (20–35 in) long have a completely different pattern, consisting of light vertical stripes on a brown background, and lack the ridges. This species attains a length of 2.5 m (8.2 ft).
During the day, zebra sharks are sluggish and usually found resting on the sea bottom, sometimes using their pectoral fins to prop up the front part of their bodies and facing into the current with their mouths open to facilitate respiration.

sources : wikipedia
1:46:00 AM | 15 comments

Klayar Beach - Pacitan Tourism

Written By Mahdi Wiyanto on Friday, January 14, 2011 | 9:13:00 AM


Klayar Beach is resides in Donorojo district, Pacitan Regency. It is about 35 km towards west Pacitan city. It can reach about 60 minutes from the city. Many rockies like spink in Mesir. 
Klayar Beach with its dune has a distinctive feature from another. Its waves dashed against the rock spourting from the hole make sound like a bamboo flute. The springkling of waves rush to beach and out through the hole spurting about 7 meters high and has a sound like blowing bamboo flute.

This white sandy beach has an idiosyncrasy that is the flute sea. It is once in a while whistle among reef gap and blast waved. It has white sand and the water is blue which enjoyable to be visited. Despitefully there is also a real natural water fountain. This water fountain “Air Mancur” happened because the wave pressure the air sea which hit bank hollow rock. Water fountain, which can reach of 10 metre height yield drizzle and seawater dew that believed has special quality as ageless drug.

sumber : eastjava.com
9:13:00 AM | 6 comments

Clown Anemonefish - Finding Nemo

Written By Mahdi Wiyanto on Tuesday, September 21, 2010 | 12:48:00 PM

Family name: Pomacentridae
Order name: Perciformes
Common name: Clownfish / clown anemonefish
Scientific name: Amphiprion percula

About twenty-nine species are recognized, one in the genus Premnas, while the remaining are in the genus Amphiprion. In the wild they all form symbiotic mutualisms with sea anemones. Depending on species, clownfish are overall yellow, orange, reddish, or blackish, and many show white bars or patches.
The largest can reach a length of 18 centimetres (7.1 in), while some can be as small as 10 centimetres (3.9 in).

Anyone probably thinks they know all there is to know about the clown anemonefish, or, simply, clownfish. What we may not know is that the heroes of Finding Nemo are actually called false anemonefish. True anemonefish, Amphiprion percula, are nearly identical, but have subtle differences in shape and live in different habitats.

There are 28 known species of anemonefish, most of which live in the shallow waters of the Indian Ocean, the Red Sea, and the western Pacific. They are not found in the Caribbean, Mediterranean, or Atlantic Ocean.
 
Surprisingly, all clownfish are born male.
They have the ability to switch their sex, but will do so only to become the dominant female of a group. The change is irreversible.

The most extraordinary fact about the clownfish is its sex-changing ability. Clown fish society has a hierarchical structure headed by a reproducing female and mating male, with a number of non-mating males waiting in the wings. Should the female die the mating male will turn into a female and choose to promote one of the non-mating males to active duty, a new dynamic to choosing the right partner!

Spawning year round, the eggs are laid in large batches around full moon, normally on a relatively flat surface near their host anemone. Both parents guard the eggs and fan them with fresh water for around 5 to 7 days. The eggs tend to hatch after darkness has descended upon the reef in an anti-predation strategy.

sumber : http://www.nationalgeographic.com , http://www.dive-the-world.com/
12:48:00 PM | 2 comments

Jasmine Tea

Written By Mahdi Wiyanto on Thursday, April 22, 2010 | 4:43:00 PM



Jasmine Tea is a famous tea made from Green or Pouchong (Chinese Green) tea leaves that are scented with jasmine flowers. The jasmine flowers are harvested during the day and stored in a cool place until night. During the night, the flowers bloom with full fragrance.

The flowers are layered over the tea leaves during the scenting process. The quality of Jasmine tea is determined by the quality of green tea used as its base and the effectiveness of the scenting. Ten Ren offers Jasmine tea, imported from China and Taiwan, in a variety of grades and modalities for your enjoyment.

Jasmine tea is consumed in China, where it is called jasmine-flower tea.

Jasminum sambac flowers are also used to make so-called jasmine tea, which often has a base of green tea, but sometimes an Oolong base is used. Flowers and tea are "mated" in machines that control temperature and humidity. It takes four hours or so for the tea to absorb the fragrance and flavour of the jasmine blossoms, and for the highest grades, this process may be repeated as many as seven times. Because the tea has absorbed moisture from the flowers, it must be refired to prevent spoilage. 

The spent flowers may or may not be removed from the final product, as the flowers are completely dry and contain no aroma. Giant fans are used to blow away and remove the petals from the denser tea leaves. If present, they simply add visual appeal and are no indication of the quality of the tea.
4:43:00 PM | 6 comments
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