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Mystery Bug of the Month

Creatures from the Depths below continued. . . . .

We had tons of requests for more of him immediately so here you go!

We stained them this time with Lacto Phenol Cotton Blue stain to try to bring out more details!

Oral Cilia

Well,

it appears that our little critter belongs in the family

Russell Shiel from Adelaide,

Australia Identified out little critters!

Animalia - Rotifera
Asplanchna

ok, there appeared to be babies inside the larger ones

The young develop to maturity within the parent's body, and are born live.

Domain Eukaryota - eukaryotes

Kingdom Animalia Linnaeus, 1758 - animals

Subkingdom Bilateria (Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians, triploblastic animals

Branch Protostomia Grobben, 1908 - protostomes

Infrakingdom Platyzoa Cavalier-Smith, 1998

Superphylum Gnathifera - gnathiferans

Phylum Rotifera Cuvier, 1798 - rotifers

Class Monogononta

Order Ploimida

Family Asplanchnidae

Genus Asplanchna™

It is clear, with a large sac and definitely a predator!

Here is one that not only has a huge sac of rotifers in the upper right but also appears to have a smaller on the creatures inside it below

the one on the far right had a small and medium critter inside and the medium one is trying to break out

prior to breaking out

once it started to break out, cilia started to move on it

there were a total of three jaws on the far right critter

This is a giant rotifer so we have heard from a marine biologist down in Australia, but it does have male and female forms or adult and young?

Also is is over 100x times bigger than a rotifer, the small brown spots in the photos are real normal wastewater sized rotifers, so you can see the size comparison.

Also it had live births and carried its young !

You can see the smaller baby inside the larger one, and in some of our photos, the baby was coming out a small hole like a live birth.

Not sure if that fits with all the typical "rotifer" genus characteristics,

but they were very interesting to see and watch. I have looked at thousands of plants since 1992 from all over the world and many different cities and industries. This was a first!

They were found in a lagoon that washes eggs from a chicken farm, 2.2 million chickens onsite. They lay an egg every 26 hours, so yes, quite a lot of eggs! I assume the parts of the egg shell that made the water of the lagoon milky created an environment for different growth than normally found in wastewater lagoons.

We have had guesses that these are

probably similar to the species Asplanchna

Supposedly like the killer whales as one website puts it in the rotifer world. They swallow whole normal sized rotifers and make lunch out of them! These critters can be up to a millimeter in length

Asplanchna brightwelli

Here is a good website for reference

http://cfb.unh.edu/CFBkey/html/anatomy/rotiferB/rotifer_B.htm#

Want to see more of the Mystery Bug- videos and photos

Mystery Bug 9-04 Mystery Filament of the Month 9-04 Mystery Filament of the Month 10-04

Mystery Bug 10-04 Mystery Bug-11-04 Mystery Bug-12-04 Mystery Bug-1-05

Mystery Bug-2-05 Mystery Bug-3-05 Mystery Bug-4-05 Mystery Bug-5-05

Mystery Bug-6-05 Mystery Bug-7-05 Mystery Bug-8-05

Mystery Bug-9-05 Mystery Bug-10-05 Mystery Bug-11-05 Mystery Bug-12-05

Mystery Bug 1-06 Mystery Bug 2-06 Mystery Bug 3-06

Mystery Bug 4-06   Mystery Bug 5-06 Mystery Bug 6-06

Mystery Bug 7-06   Mystery Bug 7-06 II Mystery Bug 8-06

Mystery Bug 8-06 II   Mystery Bug 9-06 II Mystery Bug 10-06

Mystery Bug 11-06    Mystery Bug 12-06

Mystery Bug 1-07 and links to all of 2007 Mystery Bugs pages

Strange Suctorians

Stay tuned each month

More to come soon!

Enlargements: If you liked these pictures and want to see additional microorganisms check out the pages below.

Free Swimming Ciliates

Stalked Ciliates

Eating under the microscope- Dinner time!

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