Specializing in freshwater invertebrates and microfish from around the world.

New Arrivals

We have new species coming in several times a month, so be sure to check our Current Stocklist regularly, and keep an eye on the New Arrivals category.

About Msjinkzd

Invertebrates by Msjinkzd is located in York, PA and is run by Rachel O’Leary. She is a mother of 3, loving wife, and an unmistakable personality at conventions and clubs in the tri-state area. A life-long fish keeper, her interests range from microfish to monsters, with a focus on invertebrates and dwarf species. Rachel has spent the last 10 years studying invertebrate husbandry, aquascaping, and breeding practices. Rachel’s fishroom consists of over 100 tanks ranging from 10 to 220 gallons, and her breeding program includes members of the Corydoradinae group, apistogramma, ancistrus, hypancistrus, pelvicachromis,  as well as various cyprinids and livebearers. One of the leading importers of invertebrates in the US, she works with dozens of dwarf shrimp and snail species, as well as dwarf crayfish and crabs, and is regularly bringing in new and hard to find specimens.

More About Msjinkzd

Recent News

October 6, 2014 |

Now selling the new book! 101 Best Freshwater Nano Species!

I am super proud to say that the book I co-wrote with Mark Denaro is now available for purchase! The cost of the...

October 3, 2014 |

Hillstream species in stock! My book is available! And CatCon!

Hi guys! It seems like much is coming together all at once! I got in a bunch of new critters last week, including...

September 23, 2014 |

Not getting a response? Alternative contact information

Hey guys! It has come to my attention that a few people are having difficulty using the “contact me”...

September 9, 2014 |

Exciting news! New book *almost* available!

Hey guys! I am SUPER excited! I wrote a book last summer with my friend, Mark Denaro, and just saw that it is...

More News