diff --git a/src/main/kotlin/com/petqua/domain/auth/token/AuthToken.kt b/src/main/kotlin/com/petqua/domain/auth/token/AuthToken.kt
index 00b22609..42f59ee7 100644
--- a/src/main/kotlin/com/petqua/domain/auth/token/AuthToken.kt
+++ b/src/main/kotlin/com/petqua/domain/auth/token/AuthToken.kt
@@ -1,6 +1,5 @@
 package com.petqua.domain.auth.token
 
-
 private const val EMPTY_TOKEN = ""
 
 class AuthToken private constructor(
diff --git a/src/main/kotlin/com/petqua/domain/fish/FishCustomRepositoryImpl.kt b/src/main/kotlin/com/petqua/domain/fish/FishCustomRepositoryImpl.kt
index 89dd4910..7fa6c1d9 100644
--- a/src/main/kotlin/com/petqua/domain/fish/FishCustomRepositoryImpl.kt
+++ b/src/main/kotlin/com/petqua/domain/fish/FishCustomRepositoryImpl.kt
@@ -23,6 +23,7 @@ class FishCustomRepositoryImpl(
             ).whereAnd(
                 path(Fish::species)(Species::name).like(pattern = "%${speciesName}%")
             ).orderBy(
+                locate(speciesName, path(Fish::species)(Species::name)).asc(),
                 length(path(Fish::species)(Species::name)).asc(),
                 path(Fish::species)(Species::name).asc()
             )
diff --git a/src/main/kotlin/com/petqua/domain/member/TankName.kt b/src/main/kotlin/com/petqua/domain/member/TankName.kt
index 0a8d463f..d55a20c7 100644
--- a/src/main/kotlin/com/petqua/domain/member/TankName.kt
+++ b/src/main/kotlin/com/petqua/domain/member/TankName.kt
@@ -7,8 +7,6 @@ import jakarta.persistence.Column
 import jakarta.persistence.Embeddable
 import java.util.regex.Pattern
 
-private const val WHITESPACE = " "
-
 @Embeddable
 data class TankName(
     @Column(nullable = false, name = "name")
@@ -28,19 +26,20 @@ data class TankName(
     }
 
     private fun validateConsecutiveWhitespaces() {
-        throwExceptionWhen(whitespacePattern.toRegex().containsMatchIn(value)) {
+        throwExceptionWhen(WHITESPACE_PATTERN.toRegex().containsMatchIn(value)) {
             MemberException(INVALID_MEMBER_FISH_TANK_NAME)
         }
     }
 
     private fun validateCharactersAndLength() {
-        throwExceptionWhen(!wordPattern.matcher(value).matches()) {
+        throwExceptionWhen(!WORD_PATTERN.matcher(value).matches()) {
             MemberException(INVALID_MEMBER_FISH_TANK_NAME)
         }
     }
 
     companion object {
-        private val wordPattern = Pattern.compile("^[a-zA-Z0-9가-힣,/_ ]{2,18}\$")
-        private val whitespacePattern = Pattern.compile("$WHITESPACE{2,}")
+        private const val WHITESPACE = " "
+        private val WORD_PATTERN = Pattern.compile("^[a-zA-Z0-9가-힣,/_ ]{2,18}\$")
+        private val WHITESPACE_PATTERN = Pattern.compile("$WHITESPACE{2,}")
     }
 }
diff --git a/src/test/kotlin/com/petqua/application/fish/FishServiceTest.kt b/src/test/kotlin/com/petqua/application/fish/FishServiceTest.kt
index ec0f09ac..dade7398 100644
--- a/src/test/kotlin/com/petqua/application/fish/FishServiceTest.kt
+++ b/src/test/kotlin/com/petqua/application/fish/FishServiceTest.kt
@@ -36,9 +36,9 @@ class FishServiceTest(
             Then("관련된 어종 목록을 조회할 수 있다") {
                 responses shouldBe listOf(
                     SpeciesSearchResponse(fishA.id, fishA.species.name),
-                    SpeciesSearchResponse(fishD.id, fishD.species.name),
                     SpeciesSearchResponse(fishB.id, fishB.species.name),
                     SpeciesSearchResponse(fishC.id, fishC.species.name),
+                    SpeciesSearchResponse(fishD.id, fishD.species.name),
                 )
             }
         }
@@ -54,7 +54,7 @@ class FishServiceTest(
             Then("입력한 개수만큼 관련된 어종 목록을 조회할 수 있다") {
                 responses shouldBe listOf(
                     SpeciesSearchResponse(fishA.id, fishA.species.name),
-                    SpeciesSearchResponse(fishD.id, fishD.species.name),
+                    SpeciesSearchResponse(fishB.id, fishB.species.name),
                 )
             }
         }
diff --git a/src/test/kotlin/com/petqua/domain/fish/FishCustomRepositoryImplTest.kt b/src/test/kotlin/com/petqua/domain/fish/FishCustomRepositoryImplTest.kt
index adb35b42..97224c40 100644
--- a/src/test/kotlin/com/petqua/domain/fish/FishCustomRepositoryImplTest.kt
+++ b/src/test/kotlin/com/petqua/domain/fish/FishCustomRepositoryImplTest.kt
@@ -25,15 +25,15 @@ class FishCustomRepositoryImplTest(
             Then("관련된 어종 목록을 조회할 수 있다") {
                 fishes.map { it.species.name } shouldBe listOf(
                     fishA.species.name,
-                    fishD.species.name,
                     fishB.species.name,
-                    fishC.species.name
+                    fishC.species.name,
+                    fishD.species.name
                 )
                 fishes.map { it.id } shouldBe listOf(
                     fishA.id,
-                    fishD.id,
                     fishB.id,
-                    fishC.id
+                    fishC.id,
+                    fishD.id
                 )
             }
         }
diff --git a/src/test/kotlin/com/petqua/presentation/fish/FishControllerTest.kt b/src/test/kotlin/com/petqua/presentation/fish/FishControllerTest.kt
index 9354c478..845d86d9 100644
--- a/src/test/kotlin/com/petqua/presentation/fish/FishControllerTest.kt
+++ b/src/test/kotlin/com/petqua/presentation/fish/FishControllerTest.kt
@@ -35,9 +35,9 @@ class FishControllerTest(
                         response.statusCode shouldBe OK.value()
                         speciesSearchResponses shouldBe listOf(
                             SpeciesSearchResponse(fishA.id, fishA.species.name),
-                            SpeciesSearchResponse(fishD.id, fishD.species.name),
                             SpeciesSearchResponse(fishB.id, fishB.species.name),
                             SpeciesSearchResponse(fishC.id, fishC.species.name),
+                            SpeciesSearchResponse(fishD.id, fishD.species.name),
                         )
                     }
                 }
@@ -53,7 +53,7 @@ class FishControllerTest(
                         response.statusCode shouldBe OK.value()
                         speciesSearchResponses shouldBe listOf(
                             SpeciesSearchResponse(fishA.id, fishA.species.name),
-                            SpeciesSearchResponse(fishD.id, fishD.species.name),
+                            SpeciesSearchResponse(fishB.id, fishB.species.name),
                         )
                     }
                 }