UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                          -----------------------------

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported): April 8, 2005

                                  MISONIX, INC.
             (Exact name of registrant as specified in its charter)

           New York                        1-10986                11-2148932
--------------------------------------------------------------------------------
(State or other jurisdiction of   (Commission File Number)      (IRS Employer
         incorporation)                                      Identification No.)


  1938 New Highway, Farmingdale, NY                                  11735
--------------------------------------------------------------------------------
(Address of principal executive offices)                          (Zip Code)


        Registrant's telephone number, including area code (631) 694-9555
                                                           --------------


--------------------------------------------------------------------------------
          (Former name or former address, if changed since last report)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act
    (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
    (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))

<PAGE>

Item 8.01         Other Events.

                  On April 8, 2005,  MISONIX,  INC.  ("Misonix")  issued a press
                  release announcing revised guidance for the fiscal year ending
                  June 30, 2005. The press release is attached hereto as Exhibit
                  99.1.  This  information  shall  not  be  deemed  "filed"  for
                  purposes of Section 18 of the Securities Exchange Act of 1934,
                  as amended,  and is not  incorporated  by  reference  into any
                  filing of  Misonix,  whether  made before or after the date of
                  this report,  regardless of any general incorporation language
                  in the filing.


Item 9.01         Financial Statements and Exhibits.

(c)               Exhibits.

Exhibit 99.1      Press Release of MISONIX, INC., dated April 8, 2005



                                       2
<PAGE>

                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


Date:    April 8, 2005                     MISONIX, INC.

                                           By: /s/ Richard Zaremba
                                               -------------------------------
                                               Richard Zaremba
                                               Senior Vice President and Chief
                                               Financial Officer


                                       3
<PAGE>

                                  EXHIBIT INDEX


Exhibit No.      Description
-----------      -----------

99.1             Press Release of MISONIX, INC., dated April 8, 2005



                                       4
{"company-data": {"conformed-name": "MISONIX INC", "cik": "0000880432", "assigned-sic": "3821", "irs-number": "112148932", "state-of-incorporation": "NY", "fiscal-year-end": "0630"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-10986", "film-number": "05740470"}, "business-address": {"street1": "1938 NEW HIGHWAY", "city": "FARMINGDALE", "state": "NY", "zip": "11747", "phone": "5166949555"}, "former-company": {"former-conformed-name": "MEDSONIC INC", "date-changed": "19930328"}}
UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                          -----------------------------

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported): April 8, 2005

                                  MISONIX, INC.
             (Exact name of registrant as specified in its charter)

           New York                        1-10986                11-2148932
--------------------------------------------------------------------------------
(State or other jurisdiction of   (Commission File Number)      (IRS Employer
         incorporation)                                      Identification No.)

  1938 New Highway, Farmingdale, NY                                  11735
--------------------------------------------------------------------------------
(Address of principal executive offices)                          (Zip Code)

        Registrant's telephone number, including area code (631) 694-9555
                                                           --------------

--------------------------------------------------------------------------------
          (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act
    (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
    (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))
Item 8.01         Other Events.

                  On April 8, 2005,  MISONIX,  INC.  ("Misonix")  issued a press
                  release announcing revised guidance for the fiscal year ending
                  June 30, 2005. The press release is attached hereto as Exhibit
                  99.1.  This  information  shall  not  be  deemed  "filed"  for
                  purposes of Section 18 of the Securities Exchange Act of 1934,
                  as amended,  and is not  incorporated  by  reference  into any
                  filing of  Misonix,  whether  made before or after the date of
                  this report,  regardless of any general incorporation language
                  in the filing.

Item 9.01         Financial Statements and Exhibits.

(c)               Exhibits.

Exhibit 99.1      Press Release of MISONIX, INC., dated April 8, 2005

                                       2
SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

Date:    April 8, 2005                     MISONIX, INC.

                                           By: /s/ Richard Zaremba
                                               -------------------------------
                                               Richard Zaremba
                                               Senior Vice President and Chief
                                               Financial Officer

                                       3
EXHIBIT INDEX

Exhibit No.      Description
-----------      -----------

99.1             Press Release of MISONIX, INC., dated April 8, 2005

                                       4