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Black spots on Pike? - - - 8 messages. Showing 1 through 8.
Grum
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Daily Subscription Msg 1 Posted: 08:20 AM 05/28/08 (CST)
I noticed a few of the Pike in BSL had these little black spots all over them, just courious if anyone knew if it is a fungi or just alge? you could easly get them off, so they wern't into the fish, just on them. I'll send WebDude some pics.


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WebDude
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Daily Subscription Msg 2 Posted: 09:17 AM 05/28/08 (CST)
The Pics...







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Bobber Down
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Daily Subscription Msg 3 Posted: 09:35 AM 05/28/08 (CST)
I have seen it on many Northern Pike and Perch, I have never tried getting them off and just assumed it was internal. No idea what causes that?? confused smiley


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BigBite
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Daily Subscription Msg 4 Posted: 09:35 AM 05/28/08 (CST)
I will bet dimes to donuts you caught these in weed beds or shallow water. The spots are a small parsite that latch on to northerns, perch and sunnies. They usually infect fish that are living in warm and shallow weed beds. Supposedly they are harmless if the fish are cooked well done... but to tell you the truth, I find it very unappetizing to be eating parasites.

More Info...

Blackspot or Black Grub Parasite in Pike

Black spot disease is commonly observed in rock bass and other sunfish, bass, pike, perch, minnows, and other fish species. It can be identified by the presence of small black spots, usually about the size of a pin head, in the skin, the fins, the musculature, and the mouth of the fish. The black spots are caused by pigment that the fish deposits around the larval stage of a parasitic digenetic trematode, usually a Neascus spp.

The lifecycle of the "black spot" parasite is complex. The adult parasite is found in a fish eating bird, the kingfisher. The larval parasite is transferred from the infected fish to the bird during the feeding process. In the kingfisher, the larval stage develops into an adult parasite. The adult parasite in the intestine of the bird produces eggs that are eventually deposited in the water. There the eggs mature, hatch, and develop into the miracidium stage of the parasite. The miracidium infects a snail. In the snail, the miracidium develops into the cercaria life stage. The cercaria leaves the snail and actively penetrates a host fish. In the fish, the parasite becomes encysted. In about 22 days, black spots form around the cyst. This entire lifecycle takes at least 112 days to complete.

In general, the presence of the "black spot" parasite does not affect the growth or the longevity of the infected fish; however massive infections in young fish may cause fish mortality. The parasite is incapable of infecting humans and, as is the case with all fish parasites, it is destroyed by thorough cooking. When fish are heavily infected, some anglers prefer to remove the skin to improve the appearance of the cooked fish.





Sand Burr
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Daily Subscription Msg 5 Posted: 10:48 AM 05/28/08 (CST)
I have seen many and probably eatin many???? blush smiley
Seems to elevate as the water gets hotter.



Bkchero
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Daily Subscription Msg 6 Posted: 11:08 AM 05/28/08 (CST)
I've probably eaten a few also.

Cut the skin off and most if not all will be gone.
Grum
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Daily Subscription Msg 7 Posted: 12:09 PM 05/28/08 (CST)
Thx Big Bite for the info, and yes, you win a $.10 donut smile smiley It was in a sheltered bay, and the farther into it, the more spots. I didn't really try to pick at them but a couple came off just handling it during its release. We didn't keep any fish this trip, all the 'eyes were just to small, only 1 perch was an eater size, but it was released too. Didn't see spots on any other species of fish.


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Grum
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Daily Subscription Msg 8 Posted: 12:10 PM 05/28/08 (CST)
And Thanks WebDude for with all the help posting the pics smile smiley


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Black spots on Pike? - - - 8 messages. Showing 1 through 8.
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