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Latest Capture From The Lake
September 11, 2009
1:55 am
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johnpeten
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This very slim one inch fish has arrived several times with the tiddlers from the shallows. This is the first one to survive captivity. I have no idea where to look at the moment.

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September 11, 2009
8:24 am
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Mark Duffill
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I have had these Belonesox belizanus a few times in the past and to be honest I have never had much luck with them, I always remember that if they lasted more than a week or so then there was a good chance they would be fine but most perished within a week or so of arriving at the shops (I am going back a lot of years here, at least 20+).

September 11, 2009
10:17 am
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David Marshall
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Hey

Belonesox belizanus is a very difficult fish to feed. John as frogs and toads are in serious decline throughout the World I am not suggesting that you go out and deplete tadpoles around your beautiful looking lake but I remember a retired Aquarist, who worked at a Zoological Gardens, telling me that should they need to renew their Belonesox exhibit they would always purchase such fish in early Spring as small tadpoles, which they had in abundance in the Zoo lakes, would be the one food item that encouraged the Belonesox to begin to feed. Once this happened daphnia became the main food source.

The Aquarist also told me that although these fish are found in water that is hard and alkaline water the only way to keep them healthy in aquaria is to use a brackish set-up.

Dunc please note that I have never fed tadpoles to any fish and would never do so. We are talking about a Zoo in the early 1970's when standards are not as they are now. If people tell me that they have frog spawn in their pond I always remind then that it is illegal to pass this on - or at least I believe this to be the case.

Regards David

September 11, 2009
1:20 pm
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johnpeten
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WOW For such an innocent looking little fish it is quite a monster. The caudal fin made me think it might be a livebearer.

Belonesox belizanus
The body is dark grey dorsally and fades lighter ventrally. Several rows of black spots occur along the side, and a larger black spot is visible along the caudal peduncle (but is sometimes faded). The pike killifish has long jaws that form a pointed beak (similar to Esox) and contain large teeth. The dorsal-fin origin is well behind the anal-fin origin. As the largest species within the family Poeciliidae, the pike killifish reaches 20 cm SL. From Page and Burr (1991) and Miller (2005).
Ecology: Most females larger than 75 mm SL and males larger than 55 mm SL are sexually mature. Average brood size is approximately 99, and larger females tend to have larger broods (up to about 320). Reproduction continues year-round, and females are able to store viable sperm for several months. Male courtship displays are described by Horth (2004). The young are remarkably precocial; within one day of their birth, they pursue, capture, and eat prey. Adults are primarily piscivorous, and eat mosquitofish, mollies, and other pike killifishes as their primary diet. From Turner and Snelson (1984) except where noted otherwise.

Thanks guys for the info.
We always find these guys with the Mollies in the shallows so I guess they are there to eat the Molly fry.

I will let you know if we have any success. I will have brine shrimp hatching today for the first time. I will give this a try.

By pure coincidence this little monster( one and half inches long) is housed in one of my Cichlid tanks where I also put the wild Mollies. I think he has had some of the fry. He is swimming confidently with the adult Mollies.
John

September 11, 2009
1:32 pm
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johnpeten
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We are not short of frogs here. Sometimes during the night their croaking is deafening. They sometimes get onto my roof, from overhanging trees I guess. I have found them in the shower.
I once had a small pond in the garden which often was full of tadpoles.
The pond was removed because of dengue carrying mosquitos.

September 11, 2009
5:18 pm
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David Marshall
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Hey John

It is certainly very interesting for fish and other creatures were you live.

Regards David

September 11, 2009
7:01 pm
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johnpeten
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Yes David we have to cope with a great many things in the tropics from the natural environment. However it is worth the inconvenience for the wonderful climate and the novelty.
We are also free of rules and regulations and what law we have is usually ignored and not enforced.
When I go into town twenty miles around the Lake, I jump on my chopper motorbike in shirt and shorts, No helmet, no insurance, no license, no speed limits and no Police to bother you.
John

I forgot to mention that on the road we have to cope with dogs, pigs, chickens and horses plus people who have the right of way over vehicles.

September 12, 2009
2:52 pm
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David Marshall
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Hey

Sounds very different to home - plus warmer weather.

Regards David

September 19, 2009
7:47 am
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johnpeten
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I had an unexpected visit this evening from my very excited young fisherman. "I've caught a tilapia" I explained that we did not have tilapia in the Lake, at least I hoped not.
It turned out to be a 6 inch yellowjacket, Parachromis friedrichsthalii. I must admit I groaned.
What am I going to do with such a large predator? I already have a 3" version who now eats flake and cohabits with my beautiful salvini without any problem.
I have two new tanks built but not fitted out.
At the moment he is in my holding tank with the power filter blasting air into the tank.
Tomorrow we will have to have a think.

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September 19, 2009
9:36 am
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retro_gk
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You could always put it back in the lake. Or fry it.

September 20, 2009
12:44 am
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johnpeten
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He is now back in the Lake with his friends,

I bought some frozen Tilapia filets in the Supermarket today. Tomorrow we will find out what sort of "Fish and Chips" it makes.

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