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Unread postPosted: Tue Oct 04, 2005 10:42 am 
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News24 wrote:
Gordon's Bay - Nature conservationists have arrested two men and at the same time saved 26 baby sharks by doing an unusual 'Caesarean' after they cracked down on a skiboat in the harbour here.

The baby sharks were released in a tidal pool soon afterwards.

Officers of the marine and coastal management directorate (MCB) and members of South African National Parks (Sanparks) confiscated the skiboat early on Monday morning during a routine investigation.

Marine and conservation chief inspector Justin Enslin said officers headed off the boat at the harbour and spotted the sharks.

"The men had a permit to catch line fish, but the large cargo (about a ton) made the inspectors suspicious.

"It was unlikely they could have caught so much without nets. The fish also had marks showing clearly where the nets had cut into them."

Enslin said the shark trade was extremely profitable because fishermen could get about R15/kg for their catch.

"It's illegal to catch sharks in nets and the offence is regarded as serious.

"We went with the two men and their boat to the processing factory where they were to have unloaded their cargo.

"One of the men got nervous and ran away. The other confessed the nets were hidden under the dead sharks."

Carl Nortier of Sanparks said some of the female sharks were pregnant.

"Many of the babies were dead, but we cut open two of the sharks and removed 26 babies which we released in a tidal pool.

"At first, they just lay there, opening and closing their gills, but after a while one after the other they began swimming around. Then we took them out and released them into the open seas.

"It was so satisfying to have saved at least these few," said Nortier.

Enslin said the officers confiscated the five-metre boat, two nets of about 400m and a Toyota Hilux bakkie.

He said the second suspect later agreed on the phone to hand himself in with his lawyer present.

He said the two men would appear in the magistrate's court in the Strand soon on a charge of contravening the Marine Resources Act.

The case probably will be transferred to the special marine court at Hermanus.

The suspects could face a prison sentence if they were found guilty, said Enslin.

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Unread postPosted: Tue Oct 04, 2005 10:50 am 
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Gordon's Bay is 9km from my house. They do not say into which tidal pool they released the sharks!! Will have to be very careful. Well not really, I do not swim in the sea much as I think the water down here is freezing, my wife will disagree though

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Unread postPosted: Thu Oct 06, 2005 7:48 pm 
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francoisd wrote:
Gordon's Bay is 9km from my house. They do not say into which tidal pool they released the sharks!! Will have to be very careful. Well not really, I do not swim in the sea much as I think the water down here is freezing, my wife will disagree though


He he, youve given away your location, is Strand the one? Somerset West?

Aren't bull sharks and zambezis the same sort of shark. I always heard that zambezis is a term only found in south africa.

and as everyone has said, we are the tresspassers in the oceans afterall.

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Unread postPosted: Fri Oct 07, 2005 6:17 am 
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BunduBoi wrote:
francoisd wrote:
Gordon's Bay is 9km from my house. They do not say into which tidal pool they released the sharks!! Will have to be very careful. Well not really, I do not swim in the sea much as I think the water down here is freezing, my wife will disagree though


He he, youve given away your location, is Strand the one? Somerset West?

Aren't bull sharks and zambezis the same sort of shark. I always heard that zambezis is a term only found in south africa.

and as everyone has said, we are the tresspassers in the oceans afterall.


Yip, they are the same. Like we have mentioned somewhere else. A zambezi was caught in the crooks corner vicinity a good number of years ago. The can swim quite a few 100 km's into rivers.


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Unread postPosted: Fri Oct 07, 2005 8:46 am 
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On the Dutch news this morning
Nicole, a great white, was fiitted with a radiotransmitter and she swam 20.000 kilos. From Sa to Aus and back. Took her 9 months. Prob to mate. First recording ever of such a journey by a shark


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 Post subject:
Unread postPosted: Fri Oct 07, 2005 10:52 am 
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The BBC have an article on it as well. Must be feeling the fridaymorning - almost weekend jive:
Quote:
This device was fixed to the female shark's trademark dorsal fin. Thankfully no scientists - and no sharks - suffered during the tagging.

The article can be found here :yaya:

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 Post subject:
Unread postPosted: Fri Oct 07, 2005 9:57 pm 
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bert wrote:
On the Dutch news this morning
Nicole, a great white, was fiitted with a radiotransmitter and she swam 20.000 kilos. From Sa to Aus and back. Took her 9 months. Prob to mate. First recording ever of such a journey by a shark

In this german article from Spiegel-Online you could find a map of the route. Sorry, i couldn't link the pic.

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 Post subject: Sharks..in general
Unread postPosted: Sat Apr 22, 2006 8:09 pm 
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Poor sharks have earned a somewhat villainous reputation, no thanks to Hollywood movies I think! So it was with much interest, and a new outlook, that I read a case study in a textbook: Living in the Environment/G.Tyler Miller, Jr.

* there are 370 shark species
* the smallest, the dwarf shark is as large as a goldfish, the largest, the whale shark can grow to 15m, weighing in at 2 ellies!
* sharks play a very important ecological role, that is keeping the ocean free of dead and dying fish which would otherwise litter the waters.
*the largest sharks, namely the basking shark, whale shark an megamouth shark are actually "genlt giants" which feed by filtering water through their mouths thereby consuming plankton.
* you are 30x more likely to get struck by lightning than to be killed by a shark, and there's not much likelihood of being struck by lightning.
*a total of 100 million sharks are killed annually, mainly for their fins, then they are thrown back into the water to die :(
* yet, tests done show that shark fins have a dangerously high mercury content. Why is an interesting question??
*sharks take 10-24 years to reach sexual maturity, only have 2-10 offspring once or twice a year and a long gestation period of up to 24months make them very vulnerable to population declines.
* they have taken 400 million years to evolve to their present species!

... and now we wait for Jose to post some pics :D

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 Post subject:
Unread postPosted: Sat Apr 22, 2006 8:18 pm 
The reef sharks in the Maldives are really friendly whilst the same species in the Pacific have been known to attack humans.

Here's some friendly ones.


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 Post subject: Re: Sharks..in general
Unread postPosted: Sat Apr 22, 2006 9:07 pm 
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Jay wrote:
<...>... and now we wait for Jose to post some pics :D

Who? Me? :lol: Nah, lists is what you get... Happy reading! :twisted:

Classification of Sharks
Starting from the top, sharks are classified as:

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Selachii

There are five suborders of sharks: Hexanchiformes, Pristioformes, Squatiniformes, Galeiformes, and Squaliformes. Within each of those suborders are multiple families and genuses, as listed below. Examples of individual species are listed by common name in parentheses. This is a provisional classification of sharks obtained from Richard Ellis' The Book of Sharks. As Ellis states, "My systematic list is scientific only in that it is homogenized from other classifications . . . I am sure there will be those who disagree with the system I have proposed. That is what taxonomy is all about."

Suborder Hexanchiformes
    Family Hexanchidae (six-gilled and seven-gilled sharks)
      Genus Hexanchus (six-gill sharks)
      Genus Heptranchias (sharpnose sevengills)
      Genus Notorynchus (broadnose sevengills)
    Family Chlamydoselachidae
      Genus Chlamydoselachus (frilled shark)
    Family Heterodontidae
      Genus Heterodontus (hornsharks)
Suborder Pristioformes
    Family Pristiophoridae (sawsharks)
      Genus Pristiophorus (five-gill sawshark)
      Genus Pliotrema (six-gill sawshark)
Suborder Squatiniformes
    Family Squatinidae
      Genus Squatina (angel sharks, monk sharks)
Suborder Galeiformes
    Family Odontaspidae
      Genus Carcharias (sand tiger, grey nurse, ragged-tooth)
    Family Mitsukurinidae
    Family Isuridae (mackerel sharks)
      Genus Lamna (porbeagle)
      Genus Isurus (mako)
      Genus Carcharodon (white shark)
    Family Cetorhinidae
      Genus Cetorhinus (basking shark)
    Family Alopiidae
      Genus Alopias (thresher sharks)
    Family Orectolobidae
      Genus Ginglymostoma (nurse shark)
      Genus Nebrius (tawny shark)
      Genus Stegostoma (zebra shark)
      Genus Orectolobus (carpet sharks, wobbegongs)
      Genus Eucrossorhinus (wobbegong)
      Genus Sutorectus (wobbegong)
      Genus Chiloscyllium (spotted catsharks, banded catsharks)
      Genus Hemiscyllium (epaulette sharks)
      Genus Brachaelurus (blind shark)
      Genus Heteroscyllium (Colclough's shark)
      Genus Cirrhoscyllium
      Genus Parascyllium (catsharks)
    Family Rhincodontidae
      Genus Rhincodon (whale shark)
    Family Scyliorhinidae (catsharks)
      Genus Apristurus
      Genus Atelomycterus
      Genus Cephaloscyllium (swell sharks)
      Genus Cephalurus (head shark)
      Genus Dichichthys
      Genus Galeus
      Genus Halaelurus
      Genus Haploblepharus
      Genus Parmaturus (filetail catshark)
      Genus Pentanchus
      Genus Poroderna
      Genus Schroederichthys
      Genus Scyliorhinus (catshark, dogfish)
    Family Pseudotriakidae
      Genus Pseudotriakis (false catsharks)
    Family Triakidae
      Genus Scylliogaleus
      Genus Furgaleus
      Genus Hemitriakis
      Genus Mustelus (smoothhound, smooth dogfish)
      Genus Triakis (leopard shark, smooth dogfish)
      Genus Iago
      Genus Galeorhinus (tepe, soupfin, school shark)
      Genus Hypogaleus
    Family Hemigaleidae
      Genus Chaenogaleus
      Genus Hemigaleus
      Genus Paragaleus
    Family Carcharhinidae (gray sharks, reef sharks, requiem sharks)
      Genus Galeocerdo (tiger shark)
      Genus Prionace (blue shark)
      Genus Sciolodon (sharpnosed shark)
      Genus Loxodon
      Genus Rhizoprionodon (sharpnosed shark)
      Genus Aprionodon (finetooth shark)
      Genus Negaprion (lemon shark)
      Genus Hypoprion (night shark)
      Genus Carcharhinus (gray sharks, reef sharks, requiem sharks, etc.)
      Genus Isogomphodon
      Genus Triaenodon (reef whitetip)
    Family Sphymidae
      Genus Sphyrna (hammerheads, bonnet-heads, etc.)
Suborder Squaliformes
    Family Echinorhinidae
      Genus Echinorhinus (bramble shark, prickly shark)
    Family Oxynotus
      Genus Oxynotus (prickly dogfish)
    Family Squalidae
      Genus Squalus (spiny dogfish)
      Genus Centroscyllium (black dogfish)
      Genus Etmopterus
      Genus Centrophorus
      Genus Cirrhigaleus
      Genus Deania
      Genus Centroscymnus (Portuguese shark)
      Genus Scymnodon
    Family Dalatiidae
      Genus Dalatias
      Genus Euprotomicrus
      Genus Isistius (luminous shark)
      Genus Squaliolus (dwarf shark)
      Genus Heteroscymnoides
      Genus Somniosus (Greenland shark, sleeper sharks)
    Family Megachasmidae
      Genus Megachasma ("megamouth")
Source


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 Post subject: Reef sharks
Unread postPosted: Tue Sep 12, 2006 8:03 am 
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laserblazer wrote:
The reef sharks in the Maldives are really friendly whilst the same species in the Pacific have been known to attack humans.

Here's some friendly ones.


Have dived with reef sharks probably 100 times in PNG waters and the Coral Sea with no problems. On the Great Barrier Reef have had a reef shark swim between myself and my wife when we trapped it in a gully by accident.

Only vacated the water once when an Ocean Whaler became too interested in myself and my wife.

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 Post subject: Wading African rivers
Unread postPosted: Tue Sep 12, 2006 8:19 am 
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Guinea Pig wrote:
I once read somewhere that you should NEVER swim in any river in Africa. Guess there's more to it than crocs and hippos! :shock:


Bilharzia kept my feet dry most of the time I lived in Africa.


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 Post subject: Re: Wading African rivers
Unread postPosted: Sun Sep 24, 2006 6:56 pm 
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Well I know part of my growing up involved a lot of swimming in rivers and streams in the Drakensburg and Pietermaritzburg region wouldn't have swapped it for anything in the world - although once I was swimming in a low flowing river in Zululand and with everyone keeping an eye out for crocs I got a painful sting on the Bum by a water scorpion - OUCH


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 Post subject:
Unread postPosted: Wed Oct 25, 2006 1:09 pm 
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Although not strictly parks speaking..... in the bad floods a few years ago, that restructured parts of the park..... on the mozambican side, near the town of Chokwe, sharks were seen in the river steaming up and down.
By the time i got there, there werent any more, but none of the folks were willing to get into the water except at very restricted placed.
The folks said that they had seen lots of sharks, and cattle being washed down stream had been dined upon.


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 Post subject:
Unread postPosted: Mon Dec 18, 2006 6:03 am 
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I must be really "toe" - only realised yesterday that zambesi's are the same as bull sharks!

I wonder how many of them actually swim around KNP each year, without being noticed. If one made it up, there must be more. Lucky thing we all stay out of the rivers anyway due to the crocs & hippo's! :lol:

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