i’ll miss the sea

6 04 2009

In the weeks ahead, I’ll be travelling with my family… just the three of us. I treasure adventures like this… the bonding, the fun, the memories. We shall cheer Britney… ponder the words of Lincoln… traverse museums… jog through malls… enjoy exquisite cuisine. Something not everyone can do. Truly, a special time for us.

‘Till the end of summer… I’ll miss the sea. Sure, we shall cross oceans… see another on the other side of the world… but I will still miss Anilao. The ultimate playground – colors to dazzle. Where every dive is always different.

bandido
bandido

The concrete jungle we intend to conquer… and we shall prevail… but I’ll still miss the sea…

inside a giant clam

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Date : April 6, 2009
Categories : Dive, Photography, Travel

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The manta ray (Manta birostris), is the largest of the rays, with the largest known specimen having been more than 7.6 m (about 25 ft) across, with a weight of about 2,300 kg (about 5,000 lb). It ranges throughout tropical waters of the world, typically around coral reefs.

Mantas have been given a variety of common names, including Atlantic manta, Pacific manta, devilfish, and just manta. Recent studies have suggested that what is called manta ray are at least two different species, one smaller local and one much larger and migratory

Manta rays may have evolved from bottom-feeders, and then adapted to become filter feeders in the open ocean. This allowed them to grow larger than other ray species. Due to being plankton feeders, some of the ancestral characteristics have degenerated. For example, all that is left of their oral teeth is a small band of vestigial teeth on the lower jaw, almost hidden by the skin. Their dermal denticles are also greatly reduced in number and size but are still present. They have a much thicker body mucus coating than other rays. Their spiracles have become small and non-functional, as all water is taken in through their mouth instead.

Mantas are filter feeders: they feed on plankton, fish larvae and the like, passively filtered from the water passing through their gills as they swim. Small prey organisms are caught on flat horizontal plates of russet-coloured spongy tissue spanning spaces between the manta's gill bars.

Mantas frequent reef-side cleaning stations where small fish such as wrasses and angelfish swim in the manta's gills and over its skin to feed, in the process cleaning it of parasites and removing dead skin.

The predators of the Manta ray are mainly large sharks, however in some circumstances orcas have also been observed preying on them.

Mantas are extremely curious around humans, and are fond of swimming with scuba divers. Although they may approach humans, if touched, their mucus membrane is removed, causing lesions and infections on their skin. They often surface to investigate boats without engines running. They have the largest brain-to-body ratio of the sharks and rays.

Mantas are known to breach the water into the air.

Photo taken by Alberto at German Channel in Palau - 08Apr2008

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alberto

i’ll miss the sea

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