Monday, 5 December 2016

Thorny seahorse


  • Length up to 2.5 cm
  • Distribution RS & AS
  • Depth 1 - 20 m.
  • Lives in the sea grass or in the crevices of the coral reefs.
  • The adult individuals cling to branches of floating algae.
  • Often lives in monogamous pairs, greeting each other in the morning with a special, ritualized dance.
  • Courtship and the transfer of eggs into the male's brooding pouch follow a species specific patter of synchronized, mutually harmonizing behavior.
  • insemination of the eggs by the male still remains a mystery and is controversially discussed among specialists.
  • There are tiny canals in the tissue that forms the inner lining of the pouch, which probably serves as the pathway for the sperm.
  • The fertilized eggs are carried and thus guarded several weeks in the male,s pouch till the fry hatches.
  • The juveniles are born as miniature replica of their parents without going through a true plank tonic larval stage.
** Information provided based on the Red Sea Reef guide.
#piratesdiveclub #redsea # scuba #diving #sharmelsheikh

Sunday, 4 December 2016

Soft coral Seahorse

  • It can be found only in the Red Sea.
  • The length is up to 2.5 cm.
  • The depth is 20 meters and deeper.
  • It's very rare to be found and or photographed.

Friday, 2 December 2016

                        General information about Sharks

                                              Mako 

Length 175 cm      Weight 63 Kg       Food cons. 2.000 Kg/d         730 Kg/y

Lemon (immature)

Length 150 cm      Weight 80 Kg       Food Cons. 1.100 Kg/d         380 Kg/y

Lemon Negraprion brevirostris

Length 70 cm     Weight 10 Kg     Food cons. 0.300 Kg/d     100 Kg/y

Lemon 

Length 274 cm     Weight 150 Kg     Food cons. 3.500 Kg/d     1200 Kg/y

Scalloped hammerhead sphyrna lewini

Length 200 cm     Weight 49.9 Kg     Food cons. 0.680 Kg/d     248.2 Kg/y

Blue Prionace glauca 

Length 187 cm     Weight 48.6 Kg     Food cons. 0.276 kg/d     100.7 Kg/y

Nurse Ginglymostoma cirratum

Length 250 cm     Weight 152.4 Kg     Food cons. 0.450 Kg/d     164.3 Kg/y

Sand-tiger

Length 137 cm     Weight 50 Kg     Food cons. 0.680 Kg/d     248.2 Kg/y

Sandbar (juv)

Length 150 cm     Weight 32.8 Kg     Food cons. 0.143 Kg/d     52.2 Kg/y

* The above information re found in a book called SHARKS by Angelo Mojetta