-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TP3UPTZ8xTNepxPPVjygjuu6KlXTGV2WTK7sHE/uzTsEuySswmqwCR37sLpYxu+M
 5O0T9nBbu7NTHFksiwx8xg==

<SEC-DOCUMENT>0000888455-03-000046.txt : 20030904
<SEC-HEADER>0000888455-03-000046.hdr.sgml : 20030904
<ACCEPTANCE-DATETIME>20030904164608
ACCESSION NUMBER:		0000888455-03-000046
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030902
FILED AS OF DATE:		20030904

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MAJOR FREDERICK W
		CENTRAL INDEX KEY:			0001186412

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23574
		FILM NUMBER:		03881898

	BUSINESS ADDRESS:	
		STREET 1:		9125 REHCO ROAD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		8584537845

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PETCO ANIMAL SUPPLIES INC
		CENTRAL INDEX KEY:			0000888455
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-RETAIL STORES, NEC [5990]
		IRS NUMBER:				330479906
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0128

	BUSINESS ADDRESS:	
		STREET 1:		9125 REHCO RD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		6194537845

	MAIL ADDRESS:	
		STREET 1:		9125 REHCO RD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-09-02</periodOfReport>
    <issuer>
        <issuerCik>0000888455</issuerCik>
        <issuerName>PETCO ANIMAL SUPPLIES INC</issuerName>
        <issuerTradingSymbol>PETC</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001186412</rptOwnerCik>
            <rptOwnerName>MAJOR FREDERICK W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9125 REHCO ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92121</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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