2006 Catfish Convention – Day 2

October 21st, 2006

Mark Soberman - Talking about African catfishToday was the second day of the 2006 Catfish Convention. I was able to attend most of the sessions today, and I must say that all were of very high quality. Tomorrow, the convention will wrap up with an all-day auction.

The first session of the day was about African catfish, and was presented by Mark Soberman. Mark gave a brief overview of the 9 families of catfish native to the contient. A few highlights included Austraglanidae, who are an endangered species in South Africa. Of course, he had to mention the Claridae family of catfishes, who are an air-breathing group of catfishes that are now banned in the U.S. after a series of incidents related to Snakeheads. Don’t forget the Malapteruidae, who include a few electric catfish, and the Mochakiadae, who are Africa’s largest family of catfish.

Really, all of these were just leading up to Mark’s favorite group of African catfish, the Synodontus. Synodontis catfsh include many of the fish we are familar with in our LFS’s, such as the upside-down catfish. He describe a number of fishes, but also lamented a little bit, at the current influx of Synodontis hybrid fishes coming out of Singapore fisheries. Mark feels that African catfish species are unique enough in their own right, that the hybridization only confuses hobbiests.

Inbetween sessions, I decided to take a trip down the hall to the Fish Showroom. Fish ShowroomThis room have about 200 tanks in it, stocked full of conference attendee’s best fish from their fishrooms. There were more than just catfish represented in this rooms; there were: catfish, killies, bettas, cichlids, livebearers, danios, pretty much any class of fish you can think of.

After purusing the fish, and admiring more than a handful of beautiful specimens, I headed back to the lecture hall for Ian Fuller’s second talk of the conference about Breeding Corydoras.

Ian covered all aspects of his breeding techniques for Corys. He recommends the following:

– buy fish already at breeding age.

– know how to seperate males from females. For example, males often have an elongated ventral fin. Females usually have broader bodies. Males are usually the more colorful fish.

– Use smaller tanks, such as 10-20 gallons.

– Use RO water, adjusting it to 6.5-7.0 PH, GH 0-3 degrees, mix in 1 part Epson salt, 1 part Marine Salt, and 2 parts chalk.

– Use fine grained salt/gravel. Do NOT use a bare-bottom tank because it’s bad for the Cory’s barbles.

– Setup the tanks with oak leaves, beech twigs, java fern/moss, etc.

– Feed a variety of foods. Brine shrimp, microworms, earth worms, and Tetra tabs are especially good.

– Trigger spawning by doing massive water changes, temperature changes, PH crashes, etc.

– When you see eggs, add Alder cones to the water as a mild anti-fungal treatment. Move the eggs to a hatching container with Java moss.

The last session I attended today was by Dr. Peter Unmack about Austrailian catfishes. I think that Dr. Unmack might have had the most interesting talk of the day, largely because it featured catfish that I had never seen before.

There are only two families of catfish in Austrailia. Many of the species in these families actually spend a portion of their life in saltwater. Many are mouthbrooders (pictured right). Unfortunately, there aren’t many Austrailian catfish that are suitable for aquaria. Furthermore, the ones that are, rarely are seen because their natural habitats are too remote to easily collect and ship. This is a shame because most of these catfish would be relatively easy to keep. For example, they can tolerate a wide range of PH swings because in nature, when streams flood, the solids are diluted, causing the PH to drop. But, when the water recedes, the PH skyrockets. The catfish don’t care. Infact, this fluxation might trigger spawning.

The Plutosidae family is a really interesting family of catfishes. The look like someone took a South American catfish’s head, and put it on the body of a knifefish, or eel.

Neosilurus hyrtlii

One of the most widely distributed fishes from this family is the Neosilurus hyrtlii (left). As you can see, they don’t have distinct caudral or dorsal fins. Peter also described the Neosiluroides cooperensis, which he thinks is one of the most bizarre catfish in Austrailia. This fish is found in Cooper Creek, has unusually good eyesight, and is an adept predator of other fish and shrimp. They lay huge eggs, and are rarely caught under 6″ in size. In his experience, it will kill anything it see’s.

Peter wrapped up his talk with a slideshow of other Austrailian fish, including rainbowfish and gobies.

After this session, I decided that I couldn’t risk not buying a few fish/crayfish that were on sale out of one of the hotel rooms, so I promptly bought more than I needed, and headed home to put my new fish in their tanks.




Business Broker

Catfish Convention 2006 – Day 1

October 20th, 2006

Andrew Blumhagen and Ian Fuller kicking off the conventionToday was the first day of the All Aquarium 2006 Catfish Convention put on by the Potomac Valley Aquarium Society,Ian Fuller a large local aquarium club. The program director is Andrew Blumhagen (left), who opened the convention by introducing to us hobbiest, and corydora expert, Ian Fuller (right), all the way from Great Britain.

Ian’s first, of two, presentations at this convention was largely about identifying corydoradine catfish. He presented a number of well drawn slides, such as the one below, showing in detail the growing number of problems in the

classification system of these fish. Basically, he demonstrated how two entirely different species can look too similar to differentiate when put side-by-side. His claim, is that you must know the exact locality to correctly identify the fish. Toward the end of his talk, he mentioned that the situation is only being exacerbated by human factors, such as deforestation, pollution, and dam construction. These factors are causing species to migrate out of their normal habitat, entering new environment. The changes in their environment are causing the fish to develop different color morphs, further complicating identification.

Lee FinleyThe second speaker at the convention was Lee Finley, who gave a presentation focusing solely on how to feed your catfish the kind of food they would normally eat in the wild. Basically, catfish don’t just eat algae and detritus when in the wild. Depending on the species, they’ll eat wood, bark, algae,Vampire Pleco detritus, veggie matter, fish, insects, larvae, worms, the list goes on. His slide of the commonly known Vampire Pleco, or Rabbit Tooth Pleco, illustrated how specialized some of these catfish have become. These Plecos used their “two front teeth” to chisel away at wood, searching for inserts; much like a Lee Finley - Time for Dinner?wood pecker would do in a forest. Unfortunately, Lee had to rush through his talk in order for everyone to make it to the much anticipated Italian dinner.

Finally, the last topic I was able to hear for the day was put on by Dinyar and Rusty Lalkaka. This father and son duo gave us a quick tour a number of interesting Asian catfishes. Even though Asian Catfish are only second to South American fish in terms of the diversification of both species and genus, few hobbiest know or keep them. One of the lone exceptions is probably the glass catfish, which are at every LFS in the world.
The last two topics were titled “Catfishes in the Classroom” and “Breeding Loricariids.” Unfortunately, I wasn’t able to stick around for those two, but I’m sure they were quite interesting. Stay tuned for more convention coverage from Day 2, tomorrow!

Business Broker

Every Old Plant is New Again

October 18th, 2006

Didiplis Diandra

This weekend, I decided to make the 30-45 minute trip out to Aquarium Center, in Randalstown, MD. A lot of folks have a lot of different feelings about this store, but as far as plant selection goes, this is one of the better stores in my area. From GWAPA, I’m so used to seeing the latest and greatest plants that enter the hobby, thanks to a few folks in the club who actively trade and acquire plants from all over the world. This time, I decided to finally try out some of the plants that have been around for awhile, but have never graced my tank’s aquascapes.

Didiplis Diandra Top viewThe main plant I wanted to try was didiplis diandra. Over the years I’ve seen a number of nice aquascapes using this plant. It’s got a nice greenish, bronze color, but the knock on it is it that the stems can be quite delicate, causing the bottoms to rot and the tops float up. I’m looking forward to see how this grows in my 40G in aquasoil.

Another plant that I’ve never truly tried in ernest is baby tears. This is a small leaved plant that can be grown and trimmed into a bush-like form. I did buy this plant once before, but I didn’t have the proper equipment or trimming techniques to really get this growing how I wanted it to.

Baby Tears

 Finally, the last plant I got was rotala wallichii. I’ve never been able to maintain any of these thread leaved plants over the long haul. Invariably, the stems end up branched and ugly, and the leafs themselves end up with algae or other crap in them. This time, I’ve promised myself that I’ll take a little bit better care of it. We’ll see how long that lasts!

 

Rotala wallichii

Business Broker

About Me

August 22nd, 2006

So, I’ve decided to start a blog about aquariums. Why, you might ask? Well, it’s quite simple, I like aquariums — freshwater planted aquariums specifically. I’m active participant in my local aquatic plant club, GWAPA, and would like to start documenting some of my experiences in the hobby. I hope to keep this blog updated at least once per week, probably corresponding to my weekly water changes. Let me introduce you to my tanks:

20G Jungle Tank
20G

This tank has a breeding population of apistogramma borelli, which readily breed inside the hollow bog wood, and moss/plant cover. There’s currently an amalgamation of plants including: hygrophila corymbosa “narrow long leaf”, hygrophila polysperma, sagittaria subulata, utricularia graminifolia, ludwigia sp. “cuba”, ludwigia palustris, ranunculus inundatus, heteranthera zosterifolia, and assorted java, taiwan, fisidens sp. mosses.

40G Breeder Tank w/ADA Amazonia Substrate
40GThis is my first attempt at an iwagumi scape. A breeding population of apistogramma panduro are the main occupants in this tank. Most of the aquarium is covered by eleocharis acicularis, with more stargrass, rotala macrandra “green”, limnophila aromatica, and nymphea “red lotus” occupying the back left.

75G – My Largest Tank
75G

This is an old picture of my 75G tank. You will soon see some updated pictures of the tank, along with a dairy of DIY attempts to build a scape. As you can see, I have no problem adding as many plants as I can get my hands on inside this tank!

54G – Rainbow/Low Maintenence Tank
54G

This is the tank that I never do anything to, outside of changing the water every two weeks. The anubias may not look perfect, but they keeping growing, and the rainbowfish stay happy and show great color. There is also an assortment of loaches, cories, and plecos hidden in this tank.

Business Broker

Cichlid Atlas Vol. 2

Mergus Cichlid Atlas 2Many years in the making, Dr. Uwe Romer has volume two of is Cichlid Atlas series out! The book is currently available in the UK, but I don’t think it arrives in the U.S. until later this year. I ordered the UK version of this book upon release, and must say that it’s an excellent follow-up to volume 1. Like the first book, the multitude of information contained in this book is a little bit overwealming at first. But, after sitting down with it for a little while, it’s amazing how much useful information is contained.

There is an updated key for identifying Apistogramma. He updates the profiles on a number of species that he covered in volume 1, including, but not limited to A. agassizii and A. viejita. But, one of the main reasons to get this book is for all of the newly documented species. A. sp. “Nanay” or A. sp. “Papagei” is a beautiful fish from the Rio Ampiyacu that resembles, very closely, the beauty of the A. viejita fish.

Just like volume one, the entire book is adorned with photographs, depicting various colour-morphs, gender differences, and habitat.

I wouldn’t call this text an easy read for your bed-side table, but for your fishroom bookshelf, it is a must-have if you keep Apistogramma.

Business Broker

  Next Entries »