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interactive house-reef

After start of the Image-map and the JavaScript you can search over the house-reef with the mouse after the fish ways living here.

Shows Your mouse points at one of a fish, You see the photo of his species, his German name, his size and approximately makes the depth of his living-space displayed, simultaneous the symbol fish on the reef subscription with the area, where snorkel finds at a reef. Since all 28 pictures are loaded at the side start, the charging time can already last depending on modem for 1-2 minutes.

An interactive coral-reef of Maldives
the interactive house-reef

Hans Hass and his Atoll-therory of the Maldives

The Indian Ocean and the Maldives


The evolution from Corals to a Atoll


Island-type, House-reef, Outside- and Inside-reefs

Approximately 360 km south of India on a sustained submarine volcanic ridge for the archipelago of the Maldives. Mountain tops which suffices of 7° northern to 1° southern width and almost rise to 50 m under the sea-level started with himself establish and when they finally reached the sea surface waxed the corals into the width on this primeval times ago. They always could grow at the margin of these reefs arising newly further while they died in the center because of oxygen deficiency.

As regards of the theory of Prof. Hans Hass, the Austrian scientist and largest diving sapper of all times (and my idol), the dead corals in the center of the islands sacked down and so arose the island-atolls (in Dhivehi, the Maldives national language, called "Atolhu"). The length of the Maldivian archipelagoes amounts to 764 km, the width 128 km, the state area 90.000 km˛ and the actual country area for only 298 km ˛ today, though.

House-reef: A coral-reef which is around an island calls house reef. Is it located only between 10 and 50m far away from the island it is ideal to snorkel, however, it lies more than 100 m far the beach away it is more meaningful to go snorkel by a boat. In this case describe the island "without house reef".

Outer reef: Every atoll consists of reefs and islands. The reefs on the outer edge of the atoll and in the reef channels are described as an ''outer reef''. There are more big fish at the outer reefs but also higher waves and a stronger flow, particularly into the Kandus. Example: Kuredu, Vilamendhoo, Filitheyo, ...

Inside reef:  Reefs and islands which lie in an atoll within the outer reef belt inside reefs are called "Inside-reefs". Less big fish but more quiet water. Example: Baros, Villivaru, Eriyadhu, ...

It is a little narrow in the cockpit. For what the two pilots just at the ground search, I don't know, perhaps the map of the Maldives Islands ;-))) After about ten hour flight -- inclusive of stop-over in Dubai - we will land on the airport island Hulule in the next morning, of where it further goes with seaplanes to the remote islands nowadays mostly. The Malé standard-time difference to Greenwich is +5 hours and much islands have +1 hour to the Malé Time.

The pilotes in the cockpit of an Lauda-Air-Airplane

Nasa: The North of the South-Thiladhunmathee Atoll

On left side the South Thiladhunmathee Atoll seen from a Nasa Satellite. Right the Gaafaru atoll, which is mentioned by the Maldivians "Gaafaru Falhus". This oval atoll is one of the small and has only 1 island with a common denominator on which about 1.008 inhabitants live.
3 wrecks lie on the coast of Gaafaru: In front of the photo lies the "SS Seagull", right by the Iruwai Kandu lies the "Erlangen" and the "Lady Christine" lies at the Hulhangu Kandu.

The Gaafaru-Atoll with the inhabitate island Gaafaru

the 3 fundamental island types

TYPE "A" - Fried egg island

Islands of type A are round, oval or longish and have all around a near, relatively narrow house reef and therefore are ideal to snorkels and dive and for swimming also at a weak flow. Islands of this type also are described as a fried egg island (looks from above like a fried egg). However, there are also islands which have a house reef only on 2 or 3 sides and have at the eastern side a small and at the western side a larger area of flat waters.
The following islands are part of this reef type: Alidhoo, Bandos, Banyan Tree, Bathala, Biyadoo, Ellaidhoo, Embudhu, Eriyadhu, Fesdu, Helengeli, Ihuru, Kandholhudhoo, Kudarah, Kurumba, Lily Beach, Madoogali, Meedhupparu, Reethi Beach, Royal Island, Sonevafushi, Thulhaagiri, Twin Island, Vilamendhoo.

Kurumba - Island of type A
Kurumba is a type 'A' island. This islands are very good for snorkelling

TYPE "B" - Halfmoon island

Islands of the type B are oval or crescent-shaped and lies mostly turned away from the flow at the end of a Faru. Islands of this type are called also half-moon island (always at the edge of a small atoll-ring). She have a relatively near house reef at the outside and at the inside mostly a flow free lagoon or an area falling relatively flatly and are therefore ideal for snorkeling, diving and swimming.
The following islands are part of this reef type: Alimathaa, Angaga, Asdu Sun Island, Athurugau, Baros, Boduhiti, Bolifushi, Coco Palm, Dhiggiri, Dhonakulhi, Dhoni Mighili, Dhonveli, Fihalhohi, Filitheyo, Full Moon, Equator Village Gan, Gangehi, Giraavaru, Halaveli, Huvafen Fushi, Kihaadhuffaru, Komandoo, Kudahiti, Kuredu, Maayafushi, Machchafushi, Makunudhoo, Mirihi, Nika Island, Rannalhi, Ranveli, Taj Coral Reef, Thudufushi, Vadoo, Vakarufalhi, Velavaru, Velidhu, Viligili, Villivaru, Vilu Reef.

Boduhiti - Island of type B
Boduhiti is a type 'B' island. This islands are good for snorkelling

TYPE "C" - Towel island

Islands of the type C are formed longishly or irregularly and lies almost always on a outer reef Faru. Islands of this type are called also towel island (long-stretched island at the outside-edge of the big atolls). She have inside a very wide lagoon and on the outside a flat, often very far away and not crossing cash reef roof. The house reef is often only obtainable about very long footbridges or with boats and these islands are therefore suitable for divers and relax vacations. Islands of the type C were most strongly damaged by the tidal wave on 12-26-2004!
The following islands are part of this reef type: Club Med Faru, Club Med Kanifinolhu, Cocoa, Dhigufinolhu, Four Seasons, Fun Island, Gasfinolhu, Hakuraa Club, Herethera, Hilton Maldives (Rangali), Holiday Island, Kandooma, Kanifinolhu, Laguna Beach, Lhohifushi, Medhufushi, Meeru, Moofushi, Olhuveli, One&Only Kanuhuraa, Palm Beach, Paradise Island, Reethi Rah, Rihiveli, Soneva Gili, Summer Island, Sun Island, Taj Exotica, Veligandu Huraa, Veligandu Island, White Sands.

Soneva Gili - Island type C
Hudhuveli is a type 'C' island. This islands are nothing for snorkelling !

Flowers and trees on the Maldives

this plants are every left and right by all ways

Maldivian bush

Maldivian bush

Maldivian bush



Maldivian tree

The 2nd national flower of the Maldives: Bougainvillea

A monkey-bread-tree with a fruit

Family: Guttiferaeae - Gummibaum

Family: Palma - Cocospalme

Family: Malavaceae - Malve

Family: Conbretaceae


Family: Guttiferaeae - Gummibaum

The southwest monsoon often brings rain from India from May till November
and it rains by the north east monsoon from the sea of December to April less.

Click for Maldivian Forecast
Weather forecast of the Maldivian Department of Metereology

average sunshine hours at now
monthly sunshine per hours 2015

average Rainfall quantity at now
monthly rain in mm in 2015

Humidity in percent at now
Humidity in percent 2015

average Wind direction at now
wind-speed in 2015

average air temperature at day and night at now
average air-temperature
at day and night

maximum temperature in °C of the last Years
maximum temperature in °C
of the last 42 years

average Rainfall quantity in mm of the last Years
Rainfall quantiy in mm of
the last 42 years

Sea-Temperature Panorama of the Maldives from 1985 to today !!!
sea temperature panorama
per month from 1985 to today

Please, if you could not understand all the texts, excuse my low knowledge of English.

© Gerhard Geyer - To use of my Sides, Scripts, Photos and Parts from this only with my written permission !

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