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  • Nº12 # Date: 2016-05-23 - 22:08
  • # Max Depth: 11m Duration: 43mins
Diver's Notes

PADI Advanced Open Water
5ª Aula - Night Dive/Mergulho Noturno
Mergulho noturno nos Pés de Galo. A água estava a uma temperatura agradável, cerca de 15-16ºC, bastante calma e sem corrente. Mergulho baixo, usei pela primeira vez uma lanterna de mergulho. Sensação de estar a ser engolida pela escuridão, só conseguimos ter ideia do caminho devido à luz da lanterna.
Exercicios:
Sinais e gestos de comunicação com uma lanterna de mergulho.
Apagar a lanterna para ver os restantes mergulhadores.
Espécies que vi:
- Caranguejo eremita
- Polvo
- Choco
- Raia pequena
- Linguado
- Solha

Dive Profile
Pictures

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  • Temp: Surf 16°C Bottom 15°C
  • Dive type : Training, Night dive
  • Visibility: Bad Water: Salt
Specific gear used
  • Light: Dive Rite -
  • BCD: Dive Club Cipreia -
  • Boots: Subacqua - Confort 3 - 5 mm w/ sole
  • Computer: Suunto - Gekko
  • Fins: Mares - Avanti Quattro +
  • Gloves: Subacqua - Flex 2 mm
  • Hood: Nava - Flex 5 mm
  • Mask: Subacqua - Fullframe
  • Other: Beuchat - Wet Suit Vest 3 mm
  • Regulator: Dive Club Cipreia -
  • Wet suit: Beuchat - Flex 7 mm
  • Weights: 7 kg
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Dive Profile

  • 1. Air
  • 12L Steel     200 → 90 bar
  •  
  • Average depth: 9.3m
Data provided by EOL.org

Species Identified

Pagurus bernhardus (common hermit crab) Eats on dead organic material. A long foreplay, to ensure the baring of the abdomen was not vain. The mating only lasts less than a minute.
Dasyatis pastinaca (Linnaeus, 1758) (Sting ray) Found over sandy and muddy bottoms, sometimes in estuaries and near rocky reefs . Feed on bottom fishes, crustaceans and mollusks. Ovoviviparous, gestation period about 4 months and 4-7 young are produced. Wings markete...
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Solea solea (Linnaeus, 1758) (Common sole)
Arnoglossus laterna (Walbaum, 1792) (Scald fish)
Octopus vulgaris Cuvier, 1797 (common octopus) Like all cephalopods, the common octopus is an intelligent active predator . They have modified salivary glands that produce venom used to incapacitate prey. It is often easy to identify what a common octopus has been feed...
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Cancer pagurus (Edible crab) Adult edible crabs take a very wide range of prey species, and are important predators of molluscs . When on sediments, these crabs dig large pits in order to find food . Females reach maturity at carapace widths of 1...
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Sepia officinalis Linnaeus, 1758 (Common cuttlefish) Cuttlefish swim using the fin that passes around the body. They can also rapidly expel water and move quickly by 'jet-propulsion' . Like all cephalopods, the common cuttlefish is an active predator, feeding on molluscs, yo...
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